A body starts from rest with uniform acceleration. If its velocity after 𝑛 second is 𝑣, then its displacement in the last 2 s is

Question : A body starts from rest with uniform acceleration. If its velocity after 𝑛 second is 𝑣, then its displacement in the last 2 s is

(A) \dfrac{2v\left( n+1\right) }{n}

(B) \dfrac{v\left( n+1\right) }{n}

(C) \dfrac{v\left( n+1\right) }{n}

(D) \dfrac{2v\left( n-1\right) }{n}

Answer : option (D)

Solution :

A body starts from rest with uniform acceleration. If its velocity after 𝑛 second is 𝑣, then its displacement in the last 2 s is
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