A tennis ball is dropped on to the floor from a height of `9.8m`.It rebounds to a height `5.0m`.Ball comes in contact with the floor for `0.2s`.The average acceleration during contact is _____`ms^(-2)`
(Given `g=10ms^(-2)` )

A ball is dropped on the floor from a height of 10m. It rebounds to a height of 2.5 m if the ball is in contact with floor for 0.01 s then the average acceleration during contact is nearly

A ball is dropped on to the floor from a height of 10 m. It rebounds to a height of 2.5 m. If the ball is in contact with the floor for 0.01 sec, what is the average acceleration during contact ?

A tennis ball is dropped on the floor from a height of 20m. It rebounds to a height of 5m. If the ball was in contact with the floor for 0.01s. What was its average acceleration during contact? (g=10m//s^(2))

A ball is dropped on the floor a height of 80 m rebounds to a height of 20 m . If the ball is in contact with floor for 0.1 s, the average acceleration during contact is

A tennis ball is dropped on to the floor from a height of 4.00 m . It rebounds to a height of 3.00 m . If the ball was in contact with the floor for 0.010 sec , what was its average acceleration during contact?

A ball is dropped onto the floor from a height of 10 m. It rebounds to a height of 5 m. If the ball was in contact with the floor for 0.01 s , what was its average acceleration during contact ? (Take g=10 ms^(-2) )

To test the quality of a tennis ball, you drop it onto the floor from a height of 4.00 m. It rebounds to a height of 2.00 m. If the ball is in contact with the floor for 12.0 ms, what is its average acceleration during that contact? Take g= 98 m//s^2.

A ball is dropped onto a floor from a height of 10 m . If 20% of its initial energy is lost,then the height of bounce is