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A ball of mass 2 kg is moving with veloc...

A ball of mass 2 kg is moving with velocity 20 m/sec strikes with the surface and rebounds with same speed, if time of contact is 0.1 sec then calculate average force on the ball.

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800 N
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ALLEN-RACE-Basic Maths (NEWTONS LAWS OF MOTION)
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  12. A body of mass m is projected with intial speed u at an angle theta wi...

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  13. If impulse I varies time t as I(kg ms^(-1))=20t^(2)-40t. The change ...

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  14. The average force necessary to stop a hammer with momentum p (in N-s) ...

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  15. Block a of mass 4 kg is to be kept at rest against a smooth vertical w...

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  18. Find interaction force between 3Kg and 4Kg block.

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