A body starts from rest, with uniform acceleration. If its velocity after n seconds is v, then its displacement in last two seconds is

Question : A body starts from rest, with uniform acceleration. If its velocity after n seconds is v, then its displacement in last two seconds 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 : The right option is (d)

Solution :

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