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Question

Physics Question on speed and velocity

A body initially at rest is moving with uniform acceleration 'a'. Its velocity after 'n' seconds is 'v'. The displacement of the body in last 2 seconds is

A

v(n−1)n\frac{v(n-1)}{n}

B

v(n+1)n\frac{v(n+1)}{n}

C

2v(n+1)n\frac{2v(n+1)}{n}<

D

2v(n−1)n\frac{2v(n-1)}{n}

Answer

2v(n−1)n\frac{2v(n-1)}{n}

Explanation

Solution

The correct option is (D): 2v(n−1)n\frac{2v(n-1)}{n}