If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of restitution between the ball & floor is equal to
1
0.25
2
0.5
3
0.667
4
0.33
If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of restitution between the ball & floor is equal to