A machine gun of mass 10 kg fires 20 g bullets at the rate of 180 bullets per minute with a speed of 100 m s^-1 each. The recoil velocity of the gun is:

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Accepted Answer

Correct answer: D. (d) 20 10^-3 18060 100=10V ⇒v = 0.6 m/s

$A machine gun of mass 10 kg fires 20 g bullets at the rate of 180 bullets per minute with a speed of 100 m s^{- 1} each. The recoil velocity of the gun is:$

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