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I need help in homework. I have rotational speed of engine,

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Thread replies: 8
Thread images: 1

Anonymous
2017-04-27 06:13:01 Post No. 304950
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Anonymous 2017-04-27 06:13:01 Post No. 304950 [Report]
I need help in homework.

I have rotational speed of engine, its power and mass of let's say a car.
What will be its acceleration?
>>
Anonymous 2017-04-27 06:21:09 Post No.304953
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Anonymous 2017-04-27 06:21:09 Post No.304953 [Report]
https://docs.google.com/spreadsheets/d/1lkQm1bDopwhcCHtoF10r1WRTicIWiyHa6oxlSu2V2hI/edit#gid=0
>>
Anonymous 2017-04-27 06:28:01 Post No.304958
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Anonymous 2017-04-27 06:28:01 Post No.304958 [Report]
>>304950
P = F*v
F = m*a

a = P/(m*v)
>>
Anonymous 2017-04-27 06:57:25 Post No.304973
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Anonymous 2017-04-27 06:57:25 Post No.304973 [Report]
>>304953
I can't find a formula on a in this document.
>>304958
I forgot to mention that I have also a gear ratio and wheel radius, so this formula is not for me.
>>
Anonymous 2017-04-27 07:18:08 Post No.304981
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Anonymous 2017-04-27 07:18:08 Post No.304981 [Report]
>>304973
Could you post a picture of the question?
>>
Anonymous 2017-04-27 07:27:06 Post No.304983
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Anonymous 2017-04-27 07:27:06 Post No.304983 [Report]
>>304981
I couldn't. But I think I found it myself:
a = P*[gear ratio]/2*pi*f*r*m
>>
Anonymous 2017-04-27 08:30:41 Post No.305028
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Anonymous 2017-04-27 08:30:41 Post No.305028 [Report]
>>304983
I think this is formula for wheel's acceleration. So I'm still looking then.
>>
Anonymous 2017-04-27 08:38:45 Post No.305040
[Report]
Anonymous 2017-04-27 08:38:45 Post No.305040 [Report]
>>305028
The linear acceleration of the wheel is the same as the linear acceleration of the car.
Thread posts: 8
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