A 100g iron ball having velocity 10m//s ...

A `100g` iron ball having velocity `10m//s` collies with a wall at an angle `30^(@)` and rebounds with the same angle. If the period of contact between the ball and wall is `0.1` second, then the force experinced by the wall is

100 N

10 N

0.1 N

1.0 N

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