A ball hits the floor and rebounds after an inelastic collision. In this case

A ball hits a floor and rebounds after an inelastic collision. In this case

A ball hits a floor and rebounds after an inelastic collision. In this case

A ball hits a floor and rebounds after an inelastic collision. In this case

A ball his the floor and rebounds after inelastic collision. In this case

When a ball hits a floor and rebounds after an inelastic collision,

A ball is dropped from a height of 20 m in the floor and rebounds to 1.25 m after second collision, then coefficient of restitution e is