Question : A particle starts from rest at π‘ = 0 and moves in a straight line with an acceleration as shown below. The velocity of the particle at π‘ = 3π is
(A) 2ms^{-1}
(B) 4ms^{-1}
(C) 6ms^{-1}
(D) 8ms^{-1}
Answer : option (B)
Solution :
A particle starts from rest at π‘ = 0 and moves in a straight line with an acceleration as shown below. The velocity of the particle at π‘ = 3π is
with
no comment