Question

A car starts from rest and moves with constant acceralartion. The ratio of the distance covered in the nth second to that covered in n seconds is

Answer 1

Distance covered in nth second,
s = u + 1/2 a(2n-1)
body starts from rest. so, u = 0
therefore, s = 0.5a(2n-1)

Distance covered in n seconds,
s' = 0 - 1/2 an^2

s/s' = (2n - 1) / n^2