Physics, asked by IratheGreat07, 6 hours ago

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A machine gun fires a bullet of mass 40 g with a velocity of 1200 m/s . The man holding it can exert a maximum force on 144 N on the gum . How many bullets can he fire per second at the most ??

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Answers

Answered by sinhagungun121
1

Answer:

3(three)

Explanation:

Given :m=40g=0.04kg.

v=1200m/s ,F=144N

Let n the no of bullets that can be fixed per second.

The force exerted by the man must balance the change in momentum of the bullets per second .

F=mnv or 144=0.04×v×1200 - n=3 bullets

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