EXAMPLE 18. A motor car starts from rest and accelerates uniformly for 10 s to a velocity of 20 ms. 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 time taken.
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A motor car starts from rest and accelerates uniformly for 10s to a velocity of 20m/s. it then runs at a constant speed and is finally brought to rest in 40m with a constant acceleration. total distance covered is 640m. find the value of accelartion retardation and total time taken.
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