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A partical is moving in a straight line under constant acceletation. If the motion starts from rest, Find the ratio of displacement in `n` second to that in the `n^(th)` second.A. `(2n-1)/n^(2)`B. `1/n`C. `n^(2)/(n-1)`D. `n^(2)/(2n-1)` |
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Answer» Correct Answer - D `s_(n)=1/2 a n^(2)` `s_(nth)=1/2 a(2n-1)` `s_(n)/s_(nth)=n^(2)/((2n-1))` |
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