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
(11)
5/5 - (2 votes)
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