A rubber ball of mass 0.05 kg falls from...

A rubber ball of mass 0.05 kg falls from a height of 1 m and rebounds to a height of 0.5 m. Find the average force when their contact was 0.1 sec.

A

3.78 N

B

4.78 N

C

5.78 N

D

None of these

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The correct Answer is:

A

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