KinematicsMedium
Question
A tennis ball is dropped on the floor from a height of 20 m. It rebounds to a height of 5 m. If the ball was in contact with the floor for 0.01 sec. What was its average acceleration during contanct ? (g =10m/s2) m/s2
Options
A.3000
B.2000 m/s2
C.1000 m/s2
D.500 m/s2
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