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A motor car starts from rest and acceler...

A motor car starts from rest and accelerates uniformly for 10 s to a velocity of `20 ms^(-1)`. It then runs at a constant speed and is finally brought to rest in 40 m with a constant acceleration. Total distance covered is 640 m. Find the value of acceleration, retardation and total tie taken.

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SL ARORA-MECHANICS-Exercise
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