A particle starts from rest at 𝑑 = 0 and moves in a straight line with acceleration as shown in figure. The velocity of the particle at 𝑑 = 3 s is

Question : A particle starts from rest at 𝑑 = 0 and moves in a straight line with acceleration as shown in figure. The velocity of the particle at 𝑑 = 3 s is

(A) 2ms^{-1}

(B) 4ms^{-1}

(C) 6ms^{-1}

(D) 8ms^{-1}

Answer : option (B)

Solution :

A particle starts from rest at 𝑑 = 0 and moves in a straight line with acceleration as shown in figure. The velocity of the particle at 𝑑 = 3 s is
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