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407
help-10
8df6bfe20ee845f39e29f68dba0fa82b
396,406,192,504,832,000
ASH
01/31/2022 18:41:09
https://cdn.discordapp.c…20131_132403.jpg
Resized_20220131_132403.jpg
1
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help-10
8df6bfe20ee845f39e29f68dba0fa82b
396,406,192,504,832,000
ASH
01/31/2022 18:41:15
Can someone help me understand this
1
0
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408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:14:24
So I was wondering what the motion of the car is I’m confused on what it is asking and ho to answer it
https://cdn.discordapp.c…404/IMG_6838.jpg
IMG_6838.jpg
1
0
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help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:14:42
I’m not in a test rn it’s just homework
1
0
null
null
null
null
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408
help-10
a93d69565e024b49b6ef919118925162
186,109,587,366,215,680
Omegabet_
01/31/2022 19:15:26
when you turn, do you accelerate?
0
1
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:15:44
If you turn you would decelerate right?
1
0
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
186,109,587,366,215,680
Omegabet_
01/31/2022 19:15:56
decelerate isn't a thing
0
1
null
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408
help-10
a93d69565e024b49b6ef919118925162
186,109,587,366,215,680
Omegabet_
01/31/2022 19:16:06
you accelerate forward or backwards
0
1
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:16:14
Then it would accelerate backwards
1
0
null
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null
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408
help-10
a93d69565e024b49b6ef919118925162
186,109,587,366,215,680
Omegabet_
01/31/2022 19:16:26
Not quite backwards, but yes
0
1
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408
help-10
a93d69565e024b49b6ef919118925162
186,109,587,366,215,680
Omegabet_
01/31/2022 19:16:37
there's a change in velocity so there's acceleration
0
1
null
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408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:16:45
So I would put it is accelerating?
1
0
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null
408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:17:00
Wait
1
0
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:17:01
Wow
1
0
null
null
null
null
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408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:17:03
Thank you a lot
1
0
null
null
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408
help-10
a93d69565e024b49b6ef919118925162
186,109,587,366,215,680
Omegabet_
01/31/2022 19:17:32
it's accelerating as it turns, then comment on the speed and velocity on the straight bits
0
1
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408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:17:45
K thanks
1
0
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:17:48
How do I close to is
1
0
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:17:49
This
1
0
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
186,109,587,366,215,680
Omegabet_
01/31/2022 19:17:54
```.close```
0
1
null
null
null
null
null
408
help-10
a93d69565e024b49b6ef919118925162
576,576,167,260,192,800
Bread
01/31/2022 19:18:03
.close
1
0
null
null
null
null
null
409
help-10
20fcf14b909846beadefd551bb475a58
314,658,247,057,473,540
e3lo
01/31/2022 19:31:58
https://cdn.discordapp.c…1123/unknown.png
unknown.png
1
0
null
null
null
null
null
409
help-10
20fcf14b909846beadefd551bb475a58
314,658,247,057,473,540
e3lo
01/31/2022 19:32:07
Im not sure why you can do this
1
0
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409
help-10
20fcf14b909846beadefd551bb475a58
312,559,012,346,331,140
xdk1235
01/31/2022 19:32:28
that is the definition of |a+bi|
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
314,658,247,057,473,540
e3lo
01/31/2022 19:33:14
like would this not work if it was abs(x + y) ?
1
0
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null
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409
help-10
20fcf14b909846beadefd551bb475a58
277,133,612,812,468,220
HeadShotCem
01/31/2022 19:34:12
z=x+yi is a complex number
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
277,133,612,812,468,220
HeadShotCem
01/31/2022 19:35:14
oh wait
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
277,133,612,812,468,220
HeadShotCem
01/31/2022 19:35:17
you’re asking
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
277,133,612,812,468,220
HeadShotCem
01/31/2022 19:35:24
why we can go from
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
277,133,612,812,468,220
HeadShotCem
01/31/2022 19:35:38
abs((x-1)+yi)=2
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
277,133,612,812,468,220
HeadShotCem
01/31/2022 19:35:53
to sqrt((x-1)^2+y^2)=2
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
314,658,247,057,473,540
e3lo
01/31/2022 19:35:57
yeah
1
0
null
null
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null
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409
help-10
20fcf14b909846beadefd551bb475a58
186,109,587,366,215,680
Omegabet_
01/31/2022 19:36:18
again, definition of |z|
0
1
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409
help-10
20fcf14b909846beadefd551bb475a58
277,133,612,812,468,220
HeadShotCem
01/31/2022 19:36:23
^
0
1
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null
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null
null
409
help-10
20fcf14b909846beadefd551bb475a58
314,658,247,057,473,540
e3lo
01/31/2022 19:37:09
ohhh right i remember thanks
1
0
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409
help-10
20fcf14b909846beadefd551bb475a58
314,658,247,057,473,540
e3lo
01/31/2022 19:37:14
.close
1
0
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:52:25
https://cdn.discordapp.c…62367784/36a.PNG
36a.PNG
1
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:52:36
https://cdn.discordapp.c…9/solution36.PNG
solution36.PNG
1
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:52:51
i am struggling with 36 a
1
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:53:04
,rotate
1
0
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:54:02
I got close to the same answer but instead of (60 - t) - (60 - t)^3 /3600
https://cdn.discordapp.c…038B147088B3.jpg
02C3B0BE-A613-4A2E-8A2C-038B147088B3.jpg
1
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:54:20
I got a positive so (60 - t) + (60 - t)^3 /3600
1
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:55:18
so it must be an issue with the integral on the right hand side that is Q(x) * I(x) (I(x) being the integrating factor for linear differential equation)
1
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:55:36
,rotate
1
0
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
510,789,298,321,096,700
TeXit
01/31/2022 19:55:38
https://cdn.discordapp.c…283414863903.png
306918283414863903.png
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 19:57:25
w(0) = 60 s(0) = 0 w'(t) = -1 s'(t) = 2 - 3s(t)/w(t)
0
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 19:57:45
Is this right?
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:58:11
I know that y(0) = 60 from the question
1
0
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:58:20
But I’m not sure what the function s(x) is for
1
0
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:58:21
Oh
1
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:58:25
U sub
1
0
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 19:58:25
water, salt
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 19:58:55
w(t) = -t + 60 s'(t) = 2 - 3s(t) / (60 - t)
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:59:03
Yeah
1
0
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:59:08
That’s the differential equation
1
0
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 19:59:24
I have to solve for y
1
0
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 19:59:39
(60 - t) s' + 3s - 2 = 0
0
1
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 19:59:53
(60 - x) y' + 3y - 2 = 0
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:00:01
separable i hope
0
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:00:16
(60 - x) y' = 2 - 3y
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:00:17
kk
0
1
null
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:00:29
Actually I think it needs to be linear
https://cdn.discordapp.c…018/IMG_1009.jpg
IMG_1009.jpg
1
0
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:00:41
It’s mixing problems using linear differential equations
1
0
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:00:42
1/(2 - 3y) dy = 1/(60-x) dx
0
1
null
null
null
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:00:49
Don't think you need integrating factor here
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:00:53
it's separable?
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:01:00
int 1/(2 - 3y) dy = int 1/(60-x) dx
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:01:30
(-1/3)int -3/(2 - 3y) dy = -int -1/(60-x) dx
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:01:44
I think we should the chapter is called linear first order equations
1
0
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help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:01:50
Chapter 1.4 was separable
1
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:01:56
???
0
1
null
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null
410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:02:00
1.5 is linear
1
0
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:02:01
But I mean unless i fcked up
0
1
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:02:02
its separable
0
1
null
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null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:02:11
which means theres no reason to bother using integrating factor
0
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:02:35
(-1/3)ln |2 - 3y| = -ln |60 - x| + C
0
1
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null
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:03:04
|2 - 3y|^(-1/3) = A|60 - x|^-1
0
1
null
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null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:03:15
y(0) = 0
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:03:34
|2 - 3y|^(1/3) = A|60 - x|
0
1
null
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null
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:03:40
|2 - 3y| = A|60 - x|^3
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:03:44
y(0) = 0
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:03:53
|2| = A|60|^3
0
1
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help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:04:15
|2 - 3y| = 2|60 - x|^3 / 60^3
0
1
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:04:36
https://cdn.discordapp.c…0/solution36.png
solution36.png
0
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410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:04:39
D:
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:04:43
probably mistake by me somewhere
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:06:56
ah i see it
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:06:56
rip
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:10:06
i think in that case it is linear or at least thats how the textbook wants me to solve but i am not that good at solving these
1
0
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:10:09
my answer is close but
1
0
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:10:25
instead of -(60 - t)^3 I got + (60 - t)^3
1
0
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:10:58
idk why it is a negative i tried integrating the right hand side of the equality that has the integral of Q(x) I(x) and got a positive number
1
0
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:11:36
wait i think this means that the constant would be C = -1/3600 instead of +1/3600
1
0
null
null
null
null
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410
help-10
7708be3709d94fc59385b570553c9ce4
306,918,283,414,863,900
arf
01/31/2022 20:12:20
,rotate
1
0
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
510,789,298,321,096,700
TeXit
01/31/2022 20:12:41
https://cdn.discordapp.c…283414863903.png
306918283414863903.png
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:16:09
ok i got it
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:16:38
https://cdn.discordapp.c…20201_011623.jpg
20220201_011623.jpg
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:18:53
https://cdn.discordapp.c…2496/unknown.png
unknown.png
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:19:56
your workings so squashed D:
0
1
null
null
null
null
null
410
help-10
7708be3709d94fc59385b570553c9ce4
321,445,119,171,756,000
Shuri2060
01/31/2022 20:19:57
https://i.imgur.com/0Q4hvyK.png
0
1
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