A highly elastic ball is released from rest at a distance h above the ground and bounces up and down. With each bounce a fraction f = 1/10 of its KE just before the bounce is lost. The time for which the ball will continue to bounce is nearly (Take `g = 10 m//s^(2), h = 5m`)

Options

A. 1 sec
B. 38 sec
C. 84.3 sec
D. 1.86 sec

Answer

B