A body is released from a great height and falls freely towards the earth. Exactly one sec later another body is released. What is the distance between the two bodies 2 sec after the release of the second body ?

Options

A. 4.9 m
B. 9.8 m
C. 24.5 m
D. 50 m

Answer

C

Explanation

`H_(1) = (1)/(2) xx g (3)^(2)" " Delta H = H_(1) - H_(2)`
`H_(2) = (1)/(2) xx g (2)^(2)`