Question

(17) Two bodies begin a free fall from the same height at a time
interval of N s. Ifvertical separation between the two bodies
is 1 after n second from the start of the first body, then nis
equal to
[2016]​

Answer 1

Answer:

1/gN + N/2

Explanation:

y1 = 1/2 gn^2,

y2 = 1/2 g (n-N)^2

then, y1--y2 = 1/2 g [ n^2 - (n-N)^2 ]

      => 1 = g/2 ( 2n - N) N

     => 1/gN + N/2 (Ans)