A body of mass 2 kg collides with a wall...

A body of mass 2 kg collides with a wall with speed 100 m / s and rebounds with same speed. If the time of contact was 1/50 second, the force exerted on the wall is

`2xx10^(4)N`

`4N`

`10^(4)N`

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ERRORLESS -WORK, ENERGY, POWER & COLLISION-Assertion

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