A body starts from rest and moves with a constant acceleration. The ratio of distance covered in the n th second to the distance covered in n second is

Question

A body starts from rest and moves with a constant acceleration. The ratio of distance covered in the n th second to the distance covered in n second is, 2 n - 1 n 2, 1 n 2 - 1 n, 2 n 2 - 1 n, 2 n + 1 n 2

MARKS App · Accepted Answer

Here, s n = 1 n a n 2 s n t h = distance travelled in n second - distance travelled in ( n - 1 ) second = 2 n - 1 2 a ∴ s n t h s n = 2 n - 1 n 2 = 2 n - 1 n 2

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