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21. A body of mass 0.25 kg is projected with muzzle velocity 100ms ^-1 from a tank of mass 100 kg. What is the recoil velocity of the tank

(a) 5 ms ^-1 (b) 25ms ^-1

(c) 0.5 ms ^-1 (d) 0.25 ms ^-1

ans. d

(18)

5/5 - (2 votes)

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