A ball at rest is dropped freely from a height of 20 m. It loses 30% of its energy on striking the ground and bounces back. The height to which it bounces back is

A ball at rest is dropped freely from a height of 20 m. It loses 30% o

1.	A ball at rest is dropped freely from a height of 20 m. It loses 30% of its energy on striking the ground and bounces back. The height to which it bounces back is
Answer» 14 m 12 m 9 m 6 m ANSWER :A