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

1.	A ball at rest is dropped freely from a height of 20m. 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