Question

A metal ball falls from a height of 32 metre on a steel plate. If the coefficient of restitution is 0.5, to what height will the ball rise after second bounce
A. 2 m
B. 4m
C. 8m
D. 16 m

Answer 1

Correct Answer - A
`h_(n) = he^(2n) = 32(1/2)^(4) = 32/16 = 2m`(here , n=2, e=1//2)`