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why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | the hypotenuse is the magnitude of the velocity 24.3 m/s , $ v $ , and the opposite side to the angle 30 $ ^\circ $ is $ v_y $ . $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . | how to use inverse trig functions without a calculator ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | so , we will draw the vector in the fourth quadrant . the seagull is moving $ 17.0 \text { m/s } $ at an angle of $ 30.6^\circ $ below the horizontal . | on the final picture in the angry seagull example , would n't the angle be -30.6 ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | in fact , you 'll use this trick over and over in physics , so it 's important to get really good at dealing with vector components as soon as possible . how do we break a vector into components ? before we talk about breaking up vectors , we should note that trigonometry already gives us the ability to relate the side... | how do calculate change in velocity using vector component , do you just do it using the normal vector subtraction method by seperating into components or is there another way ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | the convention is that left is negative for the horizontal direction , $ x $ , and down is negative for the vertical direction , $ y $ . how do you determine the magnitude and angle of the total vector ? we saw in the previous sections how a vector magnitude and angle can be broken up into vertical and horizontal compo... | how do you identify the directon of the vector once you have finished finding its magnitude ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ v_x=21.0 \text { m/s } \qquad\text { ( calculate and celebrate ! ) } $ example 2 : angry seagull an angry seagull is flying over seattle with a horizontal component of velocity $ v_x=14.6 \text { m/s } $ and a vertical component of velocity $ v_y=-8.62 \text { m/s } $ . what is the magnitude of the total veloci... | why the x component of velocity doesn`t affect y component of velocity ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | so , for example , if the components of a vector are $ v_x=-12 \text { m/s } $ and $ v_y=10 \text { m/s } $ , the vector must point leftward—because $ v_x $ is negative—and up—because $ v_y $ is positive . what do solved examples involving vector components look like ? example 1 : bend it like beckham a soccer ball is ... | is there a force that which repels us like centrifugal force in chemistry ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . | and is gravitational force is constant everywhere on earth ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the magnitude of the total velocity of the seagull ? what is the angle of the total velocity ? assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . | how do you find the angle of the total velocity ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | $ \cos\theta=\dfrac { v_x } { v } \qquad\text { ( use the definition of cosine . ) } $ $ v_x=v \cos\theta \qquad\text { ( solve for horizontal component . ) } $ $ v_x= ( 24.3 \text { m/s } ) \cos ( 30^\circ ) \qquad\text { ( plug in values . | is there any difference between horizontal displacement and range ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | we break up the velocity vector , $ v $ , of the baseball into two separate horizontal , $ v_x $ , and vertical , $ v_y $ , directions to simplify our calculations . trying to tackle both the horizontal and vertical directions of a baseball in one single equation is difficult ; it ’ s better to take a divide-and-conque... | why we take instateneous equation along vertical direction to derive total time of flight ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | $ \large v^2=\blue { v_x } ^2+\redd { v_y } ^2 $ by taking a square root , we get the magnitude of the total velocity vector in terms of the components . $ \large v=\sqrt { \blue { v_x } ^2+\redd { v_y } ^2 } $ also , if we know both components of the total vector , we can find the angle of the total vector using $ \te... | since the vector in example 2 i pointing downwards on the 4th quadrant are we not supposed to find that angle on that quadrant or maybe write a negetive angle ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ \theta=\tan^ { -1 } ( \dfrac { { v_y } } { { v_x } } ) \qquad \text { ( inverse tangent of both sides . ) } $ $ \theta=\tan^ { -1 } ( \dfrac { { 8.62 \text { m/s } } } { { 14.6 \text { m/s } } } ) \qquad \text { ( plug in magnitudes . ) } $ $ \theta=30.6^\circ\qquad \text { ( calculate and celebrate ! | for the second example , solving for the angle , why did you use 8.62 m/s instead of -8.62 m/s ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ \theta=\tan^ { -1 } ( \dfrac { { 8.62 \text { m/s } } } { { 14.6 \text { m/s } } } ) \qquad \text { ( plug in magnitudes . ) } $ $ \theta=30.6^\circ\qquad \text { ( calculate and celebrate ! ) } $ since the vertical component is $ v_y=-8.62 \text { m/s } $ , we know the vector is directed down , and since $ v_x... | why is the angle not 329,4 or -30,6 ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | this trick of breaking up vectors into components works even when the vector is something other than velocity , for example , forces , momentum , or electric fields . in fact , you 'll use this trick over and over in physics , so it 's important to get really good at dealing with vector components as soon as possible .... | in the fist paragraph , are vx and vy really exist ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | we 'll use the pythagorean theorem to find the magnitude of the total velocity vector . $ v^2= { v_x^2 +v_y^2 } \qquad\text { ( the pythagorean theorem . ) } $ $ v=\sqrt { v_x^2 +v_y^2 } \qquad\text { ( take square root of both sides . | why 'concept check ' question 's answer is not 2 ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | so , for example , if the components of a vector are $ v_x=-12 \text { m/s } $ and $ v_y=10 \text { m/s } $ , the vector must point leftward—because $ v_x $ is negative—and up—because $ v_y $ is positive . what do solved examples involving vector components look like ? example 1 : bend it like beckham a soccer ball is ... | in the examples is the all v is vector ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ v_x=21.0 \text { m/s } \qquad\text { ( calculate and celebrate ! ) } $ example 2 : angry seagull an angry seagull is flying over seattle with a horizontal component of velocity $ v_x=14.6 \text { m/s } $ and a vertical component of velocity $ v_y=-8.62 \text { m/s } $ . what is the magnitude of the total veloci... | for the seagull problem , when figuring out the angle using tangent.. why is 8.62 being written as positive when it is negative ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . we 'll use the pythagorean theorem to find the magnitude of the total velocity vector . $ v^2= { v_x^2 +v_y^2 } \qquad\text { ( the pythagorean theorem . | how can we use the pythagorean theorem to vectors ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | the hypotenuse is the magnitude of the velocity 24.3 m/s , $ v $ , and the opposite side to the angle 30 $ ^\circ $ is $ v_y $ . $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . | why do we use only magnitudes of vectors when calculating sin ( ) or cos ( ) or tan ( ) ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | $ \large \sin { \greend { \ , \theta } } =\dfrac { \redd { v_y } } { v } $ $ \large \cos { \greend { \ , \theta } } =\dfrac { \blue { v_x } } { v } $ $ \large \tan { \greend { \ , \theta } } =\dfrac { \redd { v_y } } { \blue { v_x } } $ $ $ note that the $ v $ s in these formulas refer to the magnitudes of the total ve... | do n't sin ( ) negative for some angles ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ v_x=21.0 \text { m/s } \qquad\text { ( calculate and celebrate ! ) } $ example 2 : angry seagull an angry seagull is flying over seattle with a horizontal component of velocity $ v_x=14.6 \text { m/s } $ and a vertical component of velocity $ v_y=-8.62 \text { m/s } $ . what is the magnitude of the total veloci... | in the second example ( angry seagull ) why is it that the overall velocity of the seagull 's motion is positive 17.0 m/s rather than negative ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the angle of the total velocity ? assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . we 'll use the pythagorean theorem to find the magnitude of the total velocity vector . | if the bird travels a path lower than the positive y-axis , should n't it be negative ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ to find the angle , we 'll use the definition of $ \text { tangent } $ , but since we now know $ v $ , we could have used $ \text { sine } $ or $ \text { cosine } $ . $ \tan\theta=\dfrac { v_y } { v_x } \qquad \text { ( use the definition of tangent . ) } $ $ \theta=\tan^ { -1 } ( \dfrac { { v_y } } { { v_x } } )... | why do n't you use -8.62 when calculating the arc tan ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | the convention is that left is negative for the horizontal direction , $ x $ , and down is negative for the vertical direction , $ y $ . how do you determine the magnitude and angle of the total vector ? we saw in the previous sections how a vector magnitude and angle can be broken up into vertical and horizontal compo... | the neg 8.62 is used when calculating the resultant vector magnitude using the pythag thm ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the horizontal component of the velocity at the moment shown ? to find the vertical component of the velocity , we 'll use $ sin\theta=\dfrac { \text { opposite } } { \text { hypotenuse } } =\dfrac { v_y } { v } $ . the hypotenuse is the magnitude of the velocity 24.3 m/s , $ v $ , and the opposite side to the ... | how would i figure out the velocity of the hypotenuse ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | trying to tackle both the horizontal and vertical directions of a baseball in one single equation is difficult ; it ’ s better to take a divide-and-conquer approach . breaking up the diagonal velocity $ v $ into horizontal $ v_x $ and vertical $ v_y $ components allows us to deal with each direction separately . essent... | why was velocity in y direction taken as +ve ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the horizontal component of the velocity at the moment shown ? to find the vertical component of the velocity , we 'll use $ sin\theta=\dfrac { \text { opposite } } { \text { hypotenuse } } =\dfrac { v_y } { v } $ . the hypotenuse is the magnitude of the velocity 24.3 m/s , $ v $ , and the opposite side to the ... | how do i find the vertical velocity at impact ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ v_x=21.0 \text { m/s } \qquad\text { ( calculate and celebrate ! ) } $ example 2 : angry seagull an angry seagull is flying over seattle with a horizontal component of velocity $ v_x=14.6 \text { m/s } $ and a vertical component of velocity $ v_y=-8.62 \text { m/s } $ . what is the magnitude of the total veloci... | for finding the angle of the total velocity in the last example , why wo n't finding the arctan of ( -8.62/14.6 ) work ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the angle of the total velocity ? assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . we 'll use the pythagorean theorem to find the magnitude of the total velocity vector . | can you only find the arctan of positive values ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . | to the ground , to a building , to a boat , to a star , etc ... is there a description to an absolute reference , or such thing can not be described ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | the hypotenuse is the magnitude of the velocity 24.3 m/s , $ v $ , and the opposite side to the angle 30 $ ^\circ $ is $ v_y $ . $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . | in the example problems , should we b doing the calculations ourselves or use a calculator ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the angle of the total velocity ? assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . we 'll use the pythagorean theorem to find the magnitude of the total velocity vector . | why the angles is positive in example2 ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the magnitude of the total velocity of the seagull ? what is the angle of the total velocity ? assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . | can someone explain me the method of calculating angle of the total velocity ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | essentially , we 'll be able to turn one difficult two-dimensional problem into two easier one-dimensional problems . this trick of breaking up vectors into components works even when the vector is something other than velocity , for example , forces , momentum , or electric fields . in fact , you 'll use this trick ov... | how come the rule of length is the same with velocity vectors ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | again , asumming we have selected right/up as the positive directions , if the vertical component $ v_y $ is positive , the vector points upward . if the vertical component $ v_y $ is negative , the vector points downward . so , for example , if the components of a vector are $ v_x=-12 \text { m/s } $ and $ v_y=10 \tex... | how about calculation the vector and speed at specific time such as t = 10 ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | the hypotenuse is the magnitude of the velocity 24.3 m/s , $ v $ , and the opposite side to the angle 30 $ ^\circ $ is $ v_y $ . $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . ) } $ $ v_y= ( 24.3 \text { m/s } ) \sin... | so we basically say sin=vx cos=vy & tan=vx+vy ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ \theta=30.6^\circ\qquad \text { ( calculate and celebrate ! ) } $ since the vertical component is $ v_y=-8.62 \text { m/s } $ , we know the vector is directed down , and since $ v_x=14.6 \text { m/s } $ , we know the vector is directed right . so , we will draw the vector in the fourth quadrant . | since velocity is a vector , can vector be represented as functions too ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | in fact , you 'll use this trick over and over in physics , so it 's important to get really good at dealing with vector components as soon as possible . how do we break a vector into components ? before we talk about breaking up vectors , we should note that trigonometry already gives us the ability to relate the side... | if yes it will be a third form of representation for vector ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the magnitude of the total velocity of the seagull ? what is the angle of the total velocity ? assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . | the height of the counter is 0.800 m. ( a ) with what velocity did the mug leave the counter ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | trying to tackle both the horizontal and vertical directions of a baseball in one single equation is difficult ; it ’ s better to take a divide-and-conquer approach . breaking up the diagonal velocity $ v $ into horizontal $ v_x $ and vertical $ v_y $ components allows us to deal with each direction separately . essent... | m/s ( b ) what was the direction of the mug 's velocity just before it hit the floor ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | what is the magnitude of the total velocity of the seagull ? what is the angle of the total velocity ? assume right/up are positive , and assume all angles will be measured counterclockwise from the positive x axis . | if i am given the lengths of the change in x and the change in y , as well as the angle , how do i calculate the initial velocity ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ \theta=\tan^ { -1 } ( \dfrac { { v_y } } { { v_x } } ) \qquad \text { ( inverse tangent of both sides . ) } $ $ \theta=\tan^ { -1 } ( \dfrac { { 8.62 \text { m/s } } } { { 14.6 \text { m/s } } } ) \qquad \text { ( plug in magnitudes . ) } $ $ \theta=30.6^\circ\qquad \text { ( calculate and celebrate ! | why didnt we put -8.62 in place of vy when finding the angle ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | ) } $ $ v_x=21.0 \text { m/s } \qquad\text { ( calculate and celebrate ! ) } $ example 2 : angry seagull an angry seagull is flying over seattle with a horizontal component of velocity $ v_x=14.6 \text { m/s } $ and a vertical component of velocity $ v_y=-8.62 \text { m/s } $ . what is the magnitude of the total veloci... | when calculating the angle in the angry seagull question , how come the negative was not included ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | so , for example , if the components of a vector are $ v_x=-12 \text { m/s } $ and $ v_y=10 \text { m/s } $ , the vector must point leftward—because $ v_x $ is negative—and up—because $ v_y $ is positive . what do solved examples involving vector components look like ? example 1 : bend it like beckham a soccer ball is ... | why are the velocity components solved for first ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . ) } $ $ v_y= ( 24.3 \text { m/s } ) \sin ( 30^\circ ) \qquad\text { ( plug in values . | why is it possible to solve for the time the projectile is in the air ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . ) } $ $ v_y= ( 24.3 \text { m/s } ) \sin ( 30^\circ ) \qquad\text { ( plug in values . | why is it possible to solve for the range of the projectile ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . ) } $ $ v_y= ( 24.3 \text { m/s } ) \sin ( 30^\circ ) \qquad\text { ( plug in values . | why is it possible to solve for the impact velocity ? |
why do we break up vectors into components ? two-dimensional motion is more complex than one-dimensional motion since the velocities can point in diagonal directions . for example , a baseball could be moving both horizontally and vertically at the same time with a diagonal velocity $ v $ . we break up the velocity vec... | the hypotenuse is the magnitude of the velocity 24.3 m/s , $ v $ , and the opposite side to the angle 30 $ ^\circ $ is $ v_y $ . $ \sin\theta=\dfrac { v_y } { v } \qquad\text { ( use the definition of sine . ) } $ $ v_y=v \sin\theta \qquad\text { ( solve for vertical component . ) } $ $ v_y= ( 24.3 \text { m/s } ) \sin... | how do you know to use sin when looking for the vertical value ? |
overview the development of the atlantic economy in the eighteenth centuries allowed american colonists access to more british goods than ever before . the buying habits of both commoners and the rising colonial gentry fueled the consumer revolution , creating even stronger ties with great britain by means of a shared ... | reading also allowed female readers the opportunity to interpret what they read without depending on a male authority to tell them what to think . few women beyond the colonial gentry , however , had access to novels . what do you think ? | or was it considered `` unfit '' for a woman to write novels ? |
in the introductory tutorial , you played with having a character move through a maze to reach a goal . you started by saying that the goal is zero steps away from itself . then you found all the squares that were one step away from the goal . then all squares two steps away from the goal . then three steps , and so on... | then you found all the squares that were one step away from the goal . then all squares two steps away from the goal . then three steps , and so on , until you reached the square where the character started . | and then survive from source to goal flowing the node array ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | you can see an electron carrier shuttling electrons from the glucose breakdown reactions to the electron transport chain in the diagram above . there are two types of electron carriers that are particularly important in cellular respiration : nad $ ^+ $ ( nicotinamide adenine dinucleotide , shown below ) and fad ( flav... | why does nad+ only need one h+ to get to its reduced form when fad needs two h+ ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | you may have learned in chemistry that a redox reaction is when one molecule loses electrons and is oxidized , while another molecule gains electrons ( the ones lost by the first molecule ) and is reduced . handy mnemonic : “ leo goes ger ” : lose electrons , oxidized ; gain electrons , reduced . the formation of magne... | is the leo goes ger mnemonic basically the same as the oil rig mnemonic in the oxidation and reduction vidoes ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | in cellular respiration , electrons from glucose move gradually through the electron transport chain towards oxygen , passing to lower and lower energy states and releasing energy at each step . the goal of cellular respiration is to capture this energy in the form of atp . in the next articles and videos , we 'll walk... | can you explain how 36 atp is forned in cellular respiration in eukaryotes ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | you may have learned in chemistry that a redox reaction is when one molecule loses electrons and is oxidized , while another molecule gains electrons ( the ones lost by the first molecule ) and is reduced . handy mnemonic : “ leo goes ger ” : lose electrons , oxidized ; gain electrons , reduced . the formation of magne... | how does gaining hs mean gaining electrons ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | here is one way you can think about it , from sal 's video on oxidation and reduction in biology : the atoms that $ \text h $ is usually bound to in organic molecules , such as $ \text { c , o , n , } $ and $ \text p , $ are more electronegative than $ \text h $ itself . so , if a $ \text h $ atom and its electron join... | is n't it when a h atom gets stolen then the thief gets a proton ( h+ with no electron ) , while the poor guy that got stolen from takes the electron to himself ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | as an electron passes through the electron transport chain , the energy it releases is used to pump protons ( $ \text h^+ $ ) out of the matrix of the mitochondrion , forming an electrochemical gradient . when the $ \text h^+ $ flow back down their gradient , they pass through an enzyme called atp synthase , driving sy... | so is h+ used to make h2o which can then turn to atp ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | as an electron passes through the electron transport chain , the energy it releases is used to pump protons ( $ \text h^+ $ ) out of the matrix of the mitochondrion , forming an electrochemical gradient . when the $ \text h^+ $ flow back down their gradient , they pass through an enzyme called atp synthase , driving sy... | does the formation of h20 release atp as a by product that is then regenerated ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | you can see an electron carrier shuttling electrons from the glucose breakdown reactions to the electron transport chain in the diagram above . there are two types of electron carriers that are particularly important in cellular respiration : nad $ ^+ $ ( nicotinamide adenine dinucleotide , shown below ) and fad ( flav... | i still cant understand the concept of oxidation and reduction in term of nad+ and fad.. when nad+ oxidise or reduce to nadh ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | what ’ s the best way for you to squeeze as much energy as possible out of that glucose molecule , and to capture this energy in a handy form ? fortunately for us , our cells – and those of other living organisms – are excellent at harvesting energy from glucose and other organic molecules , such as fats and amino acid... | involved with fats & amino acids ( entering etc via complex2 ) ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | you can see an electron carrier shuttling electrons from the glucose breakdown reactions to the electron transport chain in the diagram above . there are two types of electron carriers that are particularly important in cellular respiration : nad $ ^+ $ ( nicotinamide adenine dinucleotide , shown below ) and fad ( flav... | where does nad+ and fad get there h ( hydrogens ) ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . | stroma is negatively charged or postively ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | redox reactions : what are they ? cellular respiration involves many reactions in which electrons are passed from one molecule to another . reactions involving electron transfers are known as oxidation-reduction reactions ( or redox reactions ) . | why is nadh used in cellular respiration , while nadph is used in photosynthesis ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | there are two types of electron carriers that are particularly important in cellular respiration : nad $ ^+ $ ( nicotinamide adenine dinucleotide , shown below ) and fad ( flavin adenine dinucleotide ) . when nad $ ^+ $ and fad pick up electrons , they also gain one or more hydrogen atoms , switching to a slightly diff... | if the h gets released into the inter membrane in the etc then where does the o2 get the hydrogen to form h2o ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | cellular respiration involves many reactions in which electrons are passed from one molecule to another . reactions involving electron transfers are known as oxidation-reduction reactions ( or redox reactions ) . you may have learned in chemistry that a redox reaction is when one molecule loses electrons and is oxidize... | why is oxidation-reduction reactions important to living cells and energy production ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . | what is h12 stand for ? |
introduction let ’ s imagine that you are a cell . you ’ ve just been given a big , juicy glucose molecule , and you ’ d like to convert some of the energy in this glucose molecule into a more usable form , one that you can use to power your metabolic reactions . how can you go about this ? what ’ s the best way for yo... | that means they involve breaking a larger molecule into smaller pieces . for example , when glucose is broken down in the presence of oxygen , it ’ s converted into six carbon dioxide molecules and six water molecules . the overall reaction for this process can be written as : $ \text c_6\text h_ { 12 } \text o_6 $ + $... | why do mammals not stay in water for long ? |
what you should be familiar with before taking this lesson a matrix is a rectangular arrangement of numbers into rows and columns . each number in a matrix is referred to as a matrix element or entry . the dimensions of a matrix give the number of rows and columns of the matrix in that order . since matrix $ a $ has $ ... | if this is new to you , we recommend that you check out our intro to matrices . in matrix multiplication , each entry in the product matrix is the dot product of a row in the first matrix and and a column in the second matrix . if this is new to you , we recommend that you check out our matrix multiplication article . | is there somewhere i can go and practice a heap of matrix multiplications ? |
what you should be familiar with before taking this lesson a matrix is a rectangular arrangement of numbers into rows and columns . each number in a matrix is referred to as a matrix element or entry . the dimensions of a matrix give the number of rows and columns of the matrix in that order . since matrix $ a $ has $ ... | specifically , we will see that the dimensions of the matrices must meet a certain condition for the multiplication to be defined . when is matrix multiplication defined ? in order for matrix multiplication to be defined , the number of columns in the first matrix must be equal to the number of rows in the second matri... | why ( like in questions 3 & 4 ) is ab defined but ba is not defined ? |
what you should be familiar with before taking this lesson a matrix is a rectangular arrangement of numbers into rows and columns . each number in a matrix is referred to as a matrix element or entry . the dimensions of a matrix give the number of rows and columns of the matrix in that order . since matrix $ a $ has $ ... | what you will learn in this lesson we will investigate the relationship between the dimensions of two matrices and the dimensions of their product . specifically , we will see that the dimensions of the matrices must meet a certain condition for the multiplication to be defined . when is matrix multiplication defined ?... | do matrices not conform to commutative properties of multiplication ? |
what you should be familiar with before taking this lesson a matrix is a rectangular arrangement of numbers into rows and columns . each number in a matrix is referred to as a matrix element or entry . the dimensions of a matrix give the number of rows and columns of the matrix in that order . since matrix $ a $ has $ ... | from above , we know that $ ab $ is defined since the number of columns in $ a_ { \blued3\times\maroonc2 } $ $ ( \maroonc2 ) $ matches the number of rows in $ b_ { \maroonc2\times\goldd4 } $ $ ( \maroonc2 ) $ . to find $ ab $ , we must be sure to find the dot product between each row in $ a $ and each column in $ b $ .... | what is the product of ab in the top question on this page ? |
what you should be familiar with before taking this lesson a matrix is a rectangular arrangement of numbers into rows and columns . each number in a matrix is referred to as a matrix element or entry . the dimensions of a matrix give the number of rows and columns of the matrix in that order . since matrix $ a $ has $ ... | the dimensions of a matrix give the number of rows and columns of the matrix in that order . since matrix $ a $ has $ 2 $ rows and $ 3 $ columns , it is called a $ 2\times 3 $ matrix . if this is new to you , we recommend that you check out our intro to matrices . | how can i find the inverse of a 3*3 ? |
bruce nauman 's neon sign asks a multitude of questions with regard to the ways in which the 20th century conceived both avant-garde art and the role of the artist in society . if earlier european modernists , such as mondrian , malevich , and kandinsky , sought to use art to reveal deep-seated truths about the human c... | while early european modernists , such as picasso , had borrowed widely from popular culture , they rarely displayed their work in the sites of popular culture . for nauman , both the medium and the message were equally important ; thus , by using a form of communication readily understood by all ( neon signs had been ... | did nauman have a `` 6 '' in mind as well ? |
bruce nauman 's neon sign asks a multitude of questions with regard to the ways in which the 20th century conceived both avant-garde art and the role of the artist in society . if earlier european modernists , such as mondrian , malevich , and kandinsky , sought to use art to reveal deep-seated truths about the human c... | bruce nauman 's neon sign asks a multitude of questions with regard to the ways in which the 20th century conceived both avant-garde art and the role of the artist in society . if earlier european modernists , such as mondrian , malevich , and kandinsky , sought to use art to reveal deep-seated truths about the human c... | what is meant by mystic truths ? |
bruce nauman 's neon sign asks a multitude of questions with regard to the ways in which the 20th century conceived both avant-garde art and the role of the artist in society . if earlier european modernists , such as mondrian , malevich , and kandinsky , sought to use art to reveal deep-seated truths about the human c... | in this sense we could call nauman ’ s art “ postminimalism , ” a term coined by the art critic robert pincus-witten , in his article `` eva hesse : post-minimalism into sublime '' ( artforum 10 , number 3 , november 1971 ) . artists such as nauman , acconci , and hesse , favoured process instead of product , or rather... | why does nauman use simple block letters and numbers instead of more interesting typography that has more personality and artistic flare ? |
collect raw points every question – from the most basic arithmetic to the most advanced quadratic function , from the simplest grammar fix to the most challenging inference question on the most complicated reading passage – is worth the same . some questions are straightforward , and might take 10 seconds to solve , an... | that 's right - there is no penalty for wrong answers . start practicing now ! | can working on the sat backwards ( start from the last question of the section are work toward the beginning ) on the math section for example , be an effective approach to starting the test ? |
collect raw points every question – from the most basic arithmetic to the most advanced quadratic function , from the simplest grammar fix to the most challenging inference question on the most complicated reading passage – is worth the same . some questions are straightforward , and might take 10 seconds to solve , an... | the first few grid-ins are always easier than the last few multiple choice , so do n't spend too much time on those hard mcs before you give the first few grid-ins a try . the reading test the passages on the reading test are of differing levels of complexity . within each passage , the questions are asked as they emer... | how should i tackle evidence based claims in the reading comprehension part ? |
collect raw points every question – from the most basic arithmetic to the most advanced quadratic function , from the simplest grammar fix to the most challenging inference question on the most complicated reading passage – is worth the same . some questions are straightforward , and might take 10 seconds to solve , an... | if you find yourself running out of time on the writing and language test , use the two passes strategy to skip the hardest questions and return to them later if you have time . note : try not to jump around from passage to passage any more than is absolutely necessary – too much jumping around is likely to slow you do... | how is it possible to not jump around from passage to passage if you use the two passes strategy ? |
rude before the departure françois rude had revolution in his blood . at eight years-old , he watched his father , a stovemaker , join the volunteer army to defend the new french republic ( this is shortly after the french revolution ) from the threat of foreign invasion . fiercely loyal himself , as a young man he was... | the sculpture seemed to conjure up the carefree lifestyles of humble italian folk ; a complete fiction , of course , but a dose of escapism was just what the french felt they needed following the turmoil of the july revolution of 1830 . an early , if somewhat toothless example of romantic sculpture , it was bought by t... | the sculpture is so beautiful and expressive -- how did he accomplish this ? |
rude before the departure françois rude had revolution in his blood . at eight years-old , he watched his father , a stovemaker , join the volunteer army to defend the new french republic ( this is shortly after the french revolution ) from the threat of foreign invasion . fiercely loyal himself , as a young man he was... | this contradictory state of affairs would not have been lost on rude who , despite the acclaim won by the departure , over the coming years found himself more and more in opposition to the regime , nor for that matter was it lost on the french people themselves who having once and for all grown tired of monarchs , forc... | would it be possible to share your bibliography ? |
late medieval or proto-renaissance ? the renaissance does not have a start date . its origins are often located around 1400 but as early as the late 1200s we see changes in painting and sculpture that lay the foundation for what we will come to recognize as the renaissance . some scholars call this early period the `` ... | some scholars call this early period the `` late gothic '' —a term which refers to the late middle ages , while other people call it the `` proto-renaissance '' —the beginnings of the renaissance . in any case , a revolution is beginning to take place in italy the early 1300s in the way people think about the world , t... | in any case , a revolution is beginning to take place in italy the early 1300s in the way people think about the world , the way they think about the past , and the way they think about themselves ... '' were there any major scientific discoveries around this time that contributed to this `` proto '' revolution in thin... |
late medieval or proto-renaissance ? the renaissance does not have a start date . its origins are often located around 1400 but as early as the late 1200s we see changes in painting and sculpture that lay the foundation for what we will come to recognize as the renaissance . some scholars call this early period the `` ... | they were commissioned by a wealthy man named enrico scrovegni , the son of a well-known banker ( and a banker himself ) . according to the church , usury ( charging interest for a loan ) was a sin , and so perhaps one of enrico 's motivations for building the chapel and having it decorated by giotto was to atone for t... | `` according to the church , usury ( charging interest for a loan ) was a sin ... '' is this no longer the position taken by the modern day roman catholic church ? |
late medieval or proto-renaissance ? the renaissance does not have a start date . its origins are often located around 1400 but as early as the late 1200s we see changes in painting and sculpture that lay the foundation for what we will come to recognize as the renaissance . some scholars call this early period the `` ... | these figures have also been identified as the virgin mary , the virgin of charity and the virgin annunciate . essay by dr. beth harris and dr. steven zucker additional resources : dr. allen farber 's site on the arena chapel offical site of the arena chapel | is n't a chapel a holy place ? |
late medieval or proto-renaissance ? the renaissance does not have a start date . its origins are often located around 1400 but as early as the late 1200s we see changes in painting and sculpture that lay the foundation for what we will come to recognize as the renaissance . some scholars call this early period the `` ... | these figures have also been identified as the virgin mary , the virgin of charity and the virgin annunciate . essay by dr. beth harris and dr. steven zucker additional resources : dr. allen farber 's site on the arena chapel offical site of the arena chapel | does n't that desecrate or disrespect it to be on top of a death arena ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | to do so , they use a variety of enzymes and proteins , which work together to make sure dna replication is performed smoothly and accurately . dna polymerase one of the key molecules in dna replication is the enzyme dna polymerase . dna polymerases are responsible for synthesizing dna : they add nucleotides one by one... | if the reaction can not occur unless there is correct base matching , how then can the dna polymerase still make an error ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the other ( the lagging strand ) is made in small pieces . dna replication requires other enzymes in addition to dna polymerase , including dna primase , dna helicase , dna ligase , and topoisomerase . introduction dna replication , or the copying of a cell 's dna , is no simple task ! | how are the histone proteins taken care of during eukaryotic dna replication ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the other ( the lagging strand ) is made in small pieces . dna replication requires other enzymes in addition to dna polymerase , including dna primase , dna helicase , dna ligase , and topoisomerase . introduction dna replication , or the copying of a cell 's dna , is no simple task ! | is topoisomerase same as dna gyrase ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | a dna double helix is always anti-parallel ; in other words , one strand runs in the 5 ' to 3 ' direction , while the other runs in the 3 ' to 5 ' direction . this makes it necessary for the two new strands , which are also antiparallel to their templates , to be made in slightly different ways . one new strand , which... | ii aid in a different repair mechanism than proofreading ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the other ( the lagging strand ) is made in small pieces . dna replication requires other enzymes in addition to dna polymerase , including dna primase , dna helicase , dna ligase , and topoisomerase . introduction dna replication , or the copying of a cell 's dna , is no simple task ! | why are the dna polymerases numbered here ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | rna primers are removed and replaced with dna by dna polymerase i . the gaps between dna fragments are sealed by dna ligase . dna replication in eukaryotes the basics of dna replication are similar between bacteria and eukaryotes such as humans , but there are also some differences : eukaryotes usually have multiple li... | should n't the gap between the primerreplacement and the new nucleotide chain be sealed by dna-ligase instead ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | primase makes an rna primer , or short stretch of nucleic acid complementary to the template , that provides a 3 ' end for dna polymerase to work on . a typical primer is about five to ten nucleotides long . the primer primes dna synthesis , i.e. , gets it started . | where do nucleotides come from ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the other ( the lagging strand ) is made in small pieces . dna replication requires other enzymes in addition to dna polymerase , including dna primase , dna helicase , dna ligase , and topoisomerase . introduction dna replication , or the copying of a cell 's dna , is no simple task ! | can anyone give me a complete definition of what exactly is a dna replication ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the other ( the lagging strand ) is made in small pieces . dna replication requires other enzymes in addition to dna polymerase , including dna primase , dna helicase , dna ligase , and topoisomerase . introduction dna replication , or the copying of a cell 's dna , is no simple task ! | why not after rna primer , dna polimerase iii just complement the dna from 5'end to 3 ' end ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | to do so , they use a variety of enzymes and proteins , which work together to make sure dna replication is performed smoothly and accurately . dna polymerase one of the key molecules in dna replication is the enzyme dna polymerase . dna polymerases are responsible for synthesizing dna : they add nucleotides one by one... | isthere only one dna polymerase or seperate polymerase for leading and lagging strand ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | specialized proteins recognize the origin , bind to this site , and open up the dna . as the dna opens , two y-shaped structures called replication forks are formed , together making up what 's called a replication bubble . the replication forks will move in opposite directions as replication proceeds . | how the ends of linear chromosomes ( in each round of replication ) gradually loses when there is a process called telomere replication ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | this strand is made continuously , because the dna polymerase is moving in the same direction as the replication fork . this continuously synthesized strand is called the leading strand . the other new strand , which runs 5 ' to 3 ' away from the fork , is tricker . | how come there is a lagging and leading strand ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | and also , for dna polymerase , which direction does it build , to the 3 ' on the new strand , or 3 ' on the old strand ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the small fragments are called okazaki fragments , named for the japanese scientist who discovered them . the leading strand can be extended from one primer alone , whereas the lagging strand needs a new primer for each of the short okazaki fragments . the maintenance and cleanup crew some other proteins and enzymes , ... | in the last picture , should n't the lagging strand be built all the way and not in segments since the primer rna starts at 5 ' on the new strand ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the sliding clamp is a ring-shaped protein and keeps the dna polymerase of the lagging strand from floating off when it re-starts at a new okazaki fragment $ ^4 $ . topoisomerase also plays an important maintenance role during dna replication . this enzyme prevents the dna double helix ahead of the replication fork fro... | when is topoisomerase i and topoisomerase ii used ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the gaps between dna fragments are sealed by dna ligase . dna replication in eukaryotes the basics of dna replication are similar between bacteria and eukaryotes such as humans , but there are also some differences : eukaryotes usually have multiple linear chromosomes , each with multiple origins of replication . human... | is the ssb proteins only in bacteria and not eukaryotes ? |
key points : dna replication is semiconservative . each strand in the double helix acts as a template for synthesis of a new , complementary strand . new dna is made by enzymes called dna polymerases , which require a template and a primer ( starter ) and synthesize dna in the 5 ' to 3 ' direction . during dna replicat... | the other ( the lagging strand ) is made in small pieces . dna replication requires other enzymes in addition to dna polymerase , including dna primase , dna helicase , dna ligase , and topoisomerase . introduction dna replication , or the copying of a cell 's dna , is no simple task ! | in eukaryotic replication what is dna a boxes ? |
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