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Use the equation to find the stress which will produce the same value of latex17 at a temperature of latex18 .
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He decides to build a Sakai top by bending the clip to include a circular arc of radius latex2 and angle latex3 .
0
Derive an expression for the acceleration, latex5 , on latex4 .
1
Both fluids are Newtonian.
0
A reflection in the latex1 -axis followed by a reflection in the latex2 -axis.
0
Determine approximately an expression for the first time after release when the peak concentration shifts to the boundary.
1
Steady contaminant release from an industrial chimney into a horizontal wind.
0
Find the eigenvector latex9 associated with the smallest eigenvalue latex10 .
1
Solve Question 2.1 using Mohr's Circle *only*.
1
For a signal at latex2 , the output of the sensor is latex3 plus ripple (i.e latex3 DC plus ripple voltage).
0
The power latex5 required to tow the submarine.
0
In the binary system, we follow exactly the same approach: latex66 where the latex67 's are either set to latex14 or latex3 .
0
The position of latex4 is given by latex5 and the position of latex6 by latex7 .
0
The moment of inertia of the car about its centre of mass is latex3 .
0
The inertia of the rotating parts other than the disc may be neglected.
0
The correct relation is latex4 but e.g latex5 The reciprocal rule only holds if the same variable is being kept constant on both sides of the equation.
0
A set of Earth observers see a rocket ship moving to the right with an latex0 velocity latex1 and a second ship moving to the left with an latex0 velocity latex3 .
0
You may assume (because you proved it in the previous question) that the total momentum of the latex0 particles is zero in the centre-of-mass frame.
0
You need to use a control volume analysis to answer this question.
1
When calibrated with the shaft in pure torsion, the gauge records a strain of latex3 .
1
Consider a different potential exists in 3D space - latex3 .
0
A vector field latex0 is given in cylindrical polar coordinates by latex1 where latex2 is a constant.
0
If the wheel has a moment of inertia of latex3 , what is its angular acceleration?
1
The dominant wind direction is from the South West and the ground surface can be considered a perfect reflector.
0
Calculate the temperature latex8 behind the oblique shock wave.
1
Find an expression for the height of the water/air interface latex9 .
1
**(L13)**: Find transformation matrices for the following operations in two dimensions: A reflection in the line latex0 .
1
The shaft of the motor is subject to an external torque causing a maximum speed reduction of latex0 .
0
Hence, find the integral of latex1 .
1
Suppose that latex3 but latex4 .
0
Complete the following table, using the psychrometric chart:
1
Plot latex16 and latex17 versus latex18 .
0
Note one constant will remain unknown due to the second boundary condition not being given.
0
Now assume that the compressor and the turbine both have an isentropic efficiency of latex17 instead of latex18 (but are still adiabatic).
0
The question is long but provides very good practice in converting from one frame to another and handling the associated algebra.
0
(Hint: use the binomial expansion.)
1
Determine the corner frequency of a filter that would eliminate the chance of aliasing.
1
ITER is an experimental facility currently under construction in Cadarache, France ([embedded]) It is designed to prove the feasibility of commercial fusion reactors.
0
What would the stagnation pressure be, if it were estimated using the Bernoulli equation?
1
A uniform rod of length latex0 and mass latex1 has one end attached to a smooth hinge, whose axis is horizontal and is allowed to fall from a horizontal position.
0
To calculate the ratio of acid to base needed for a buffer of a particular latex4 , we use the Henderson-Hasselbalch equation, which you are now going to derive.
1
What is the voltage at point “X” under these conditions?
1
The seed weighed latex36 , and contained about latex37 carbon (on a dry-weight basis).
0
What is the probability that there will be *no mutations whatsoever*?
1
You can see the edges of the plates poking through in this image (the six little rectangles) - these tabs are fixing them onto the spool.
0
Write down the equation of the plane in vector form.
1
**26**(3), 442 (1963)] established the equality of gravitational and inertial mass, latex0 and latex1 , to an accuracy of 3 parts in latex2 .
0
The 540 ore cars had a combined mass of latex0 kg.
0
In the case of a block with mass latex17 kg and surface area latex18 m latex19 moving over a film of water of viscosity latex20 Pa s and depth latex21 mm on a slope angled at latex22 to the horizontal, find the terminal velocity.
1
To write latex20 , write 'ln(x)'.
1
A direct consequence of the bit-shifting process is an extreme sensitivity of the map to the initial condition.
0
\[Let the constant of proportionality be latex3 .]
0
Generalise this derivation to the case of latex3 particles.
1
If latex10 denotes the water level in the tank in the absence of rotation and latex11 is the tank radius, find latex12 in terms of latex2 , latex14 , latex11 and latex10 .
1
A thin-walled steel pressure vessel consists of a cylinder fitted with hemispherical end caps.
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The material of the spool (discs and inner cylinder) is a medium density fibreboard.
0
(Inspired by chapter 3.2 of \`\`Turbulence, the legacy of AN Kolmogorov'' (1995) by U. Frisch -- CUP) In order to get some insight into the behavior of dynamical systems such as turbulence, we study a recursive system which mimics some of the key components of the Navier--Stokes equations.
0
latex1 latex2 latex3 latex4
0
**\[Boas 5.2.28]** Sketch the area of integration for the following integral, and write an equivalent integral with the integration in the opposite order.
1
When diffusion is negligible.
1
What is the electrostatic potential energy due to the three charges in terms of latex1 and latex2 ?
1
Consider the integral latex0 where latex1 is the wedge of the circle bounded by latex2 , latex3 , and latex4 .
0
Find the total mass of the fluid inside the torus.
1
The flow in this question is a famous exact solution of the Navier latex0 Stokes equations, and it is the characteristic flow that appears between parallel moving plates, and it is called *Couette flow*.
0
(ii) Express this as a fraction of the specific work output from the turbine of this plant, assuming that: * The turbine inlet state is latex1 bar and saturated vapour [embedded] * The turbine expansion process is isentropic (i.e the plant operates on the basic Rankine cycle without superheat).
1
The force varies with rotational position, latex7 , however in this question we simplify the variation by assuming each cup experiences one value of force, latex8 , for half the rotation, and a second value, latex9 , for the other half of the rotation.
0
Compare the group velocity with the phase velocity for this type of wave.
1
Suppose that a fluid element is displaced sufficiently quickly by some height latex7 such that its expansion is adiabatic.
0
This exercise gives feedback on Risk Assessments.
0
Show that the pressure gradient is equal to the null vector throughout the flow.
1
* Can you see how this relates to the Fourier series?
1
Consider the elliptical lamina bounded by the curve latex0 .
0
Rearrange the second equation, latex15 so that we could work out stroke volume when cardiac output and heartbeat frequency are known.
1
The time taken for a pendulum to perform a complete oscillation is given by: latex0 * latex1 Time period of oscillation ( latex2 ) * latex3 Length of the pendulum ( latex4 ) * latex5 Standard acceleration of gravity ( latex6 ).
0
What limiting value of Reynolds number is considered?
1
This allows you to split the problem into pieces in which you can move some parts past the derivative aspects of latex0 .
0
Each log inserted into the burner heats with a constant power latex0 for a fixed period of time latex1 .
0
Assume air to be a perfect gas with latex3 and latex4 .
0
The radius of latex3 is latex8 .
0
A hand-held rotary sanding machine is shown in the diagram below.
0
What is the air speed at the test section?
1
Complete the table below to check you answers.
1
Consider a counterflow heat exchanger in which the fluids on the hot and cold sides have inlet temperatures latex0 and latex1 respectively, while the temperature of the environment is latex2 .
0
latex2 in the interval latex3 .
0
Do not worry about normalisation factors.
0
Find the trigonometric Fourier series for the following three functions.
1
Although this looks complicated, you will find several of the terms drop out.
1
How is it related to the calorific value of carbon (graphite)?
1
By solving equation (3) show that the general solution to equation pair (2) is: latex11 where latex12 and latex13 are the charge's initial velocity components.
1
Water (density latex0 kg/m latex1 ) flows up the slanted pipe, which is at an angle of latex2 to the horizontal, as shown below.
0
How many photons per second are emitted?
1
Using your answer to Part (a), deduce an expression for the constant latex6 in latex7 , in terms of latex8 and latex9 .
1
Consider the mass flux of a contaminant.
0
Sketch this Rankine cycle with superheat, on a latex2 diagram, then find the turbine specific work latex10 and latex11 for the cycle with superheating.
1
Determine whether the dimensions of this specimen provide a valid plane strain fracture toughness value given the yield strength of the materials was latex12 for the: * Crack length and fracture toughness determined in (a).
1
Plot diagrams to show the distribution of hoop and radial stresses through the cylinder.
0
Show that the simplest expression for latex13 is: latex14 Sketch the boundary layer in the latex15 plane.
1
Let's look at this in the muon's rest frame: for the muon the path length through the atmosphere to the surface is length contracted.
0
Find the strain energy, latex7 , stored in the rope.
1
Rearrange the first equation to give an expression for latex5 in terms of latex6 , latex7 and latex8 Take the base-10 logarithm of this equation, and simplify it, so the right hand side contains one term in latex0 and a second in latex8 and latex7 .
1