Asked by Physics,help.

A tennis ball of 60g is dropped from a height of 2.0m,It rebounds but loses 25% of its kintic energy as thermal energy.Ignoring air resistance,calculate
(1)the kinetic energy of the tennis ball when hits the ground.
(2)the height reached on the ground
Answered by drwls
(1) Before or after bouncing?

(2) How can the ball reach a height while on the ground?

The ball has a kinetic energy equal to M*g*H just before bouncing
Answered by maya
hkgfffc
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