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Finding Average Velocity

32A disc of m...

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32A disc of mass 1-0 kg is kept floating horizontally inair by firing bullets of mass 0-05 kg each verticallyat it, at the rate of 10 per second. If the bulletsrebound with the same speed, the speed with which99 these are fired will be-IGSAFV.dn) ueselV95dtMg(2) 0.98 m/s(4) 98-0 m/s(1) 0.098 m/s(3) 9.8 m/sntationary

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Q. A Disc of mass 1.0 kg is kept floating horizontally in air by firing bullets of mass 0.05 kg each vertically at it, at the rate of 10 per second. If the bullets rebound with the same speed, the speed with which these are fired will be

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