The acceleration in ms-2 ofa body starting from restis given by
Determine the velocity of the body after 20 seconds
Do not know where to start
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So we have:
We also know that since the body starts from rest.
This can be done by parts if you want. You get: .
Plug in your initial condition: .
If you want the velocity at t = 20, you have:
thanks for your help,I am slowly getting to grips with it.
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