Question

find the power of a machine gun that can fire 240 bullets per minute each weighing in 50 gram with a velocity of 100 metre per second​

Answer 1

Answer:

(mv^2)/2 is KE, so each bullet has .05x100x100 / 2 = 5000J of kinetic energy. 240 per minute is 6 per second, so the power of the gun is 30,000W. 30kW is equivalent to about 40hp, so about the engine power needed to maintain a typical small car at highwayish speed on a flat road.

Explanation:

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Answer 2

Answer:

power=energy per unit time. M=50gv=100m/s=24060*12*501000*(100)2=106103W=1kw

Explanation:

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