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A ball of mass 10 gm dropped from a heig...

A ball of mass 10 gm dropped from a height of 5 m hits the floor and rebounds to a height of 1.25 m. If the ball is in contact with the ground for 0.1s, the force exerted by the ground on the ball is (g = 10 m/`s^(2)`)

A

0.5 N

B

1.5 N

C

0.15 N

D

2.5 N

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The correct Answer is:
B
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