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Why Com Is an Important Point

An iron ball ...

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An iron ball of mass 100 gm moving at a speed of 10 m/sec strikes a wall at angle of 30 degree and reflects at the same angle . If ball and wall remain in contact for 0.1sec, the force exerted on the wall will be how much

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Q. A ball of mass m strikes a rigid wall speed u at an angle u at an angle of

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ball moving with a speed of

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