Question : A body starting from rest, accelerates at a constant rate a ππ 2 for some time after which it decelerates at a constant rate π π/π 2 to come to rest finally. If the total time elapsed is π‘ π ππ, the maximum velocity attained by the body is given by
(A) \dfrac{ab}{a+b}tm/s
(B) \dfrac{ab}{a-b}tm/s
(C) \dfrac{2ab}{a+b}tm/s
(D) \dfrac{2ab}{a-b}tm/s
Answer : option (A)
Solution :
