A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth surface and fires 10 shots horizontally, in 5 s. Each bullet has a mass of 10 g with a muzzle velocity of 800 ms1. The final velocity acquired by the person and the average force exerted on the person are

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Q. A rifle man, who together with his rifle has a mass of

100 kg

, stands on a smooth surface and fires

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10 g

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. What velocity does the rifle man acquire at the end of

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Q. A rifle man, who together with his rifle has a mass of

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