A ball weighing 10 g hits a hard surface...

A ball weighing 10 g hits a hard surface vertically with a speed of 5 m `"s"^(-1)` and rebounds with the same speed. The ball remains in contact with the surface for 0.01 s. The average force exerted by the surface on ball is

100 N

10 N

1 N

0.1 N

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