A machine gun fires a bullet of mass 40g each with a speed 1200m/s. A person can hold the gun with a maximum force of 144N. What is the maximum number of bullets that can be fired per second from the gun
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Answer:
12000........... ...........
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1
Answer:
Explanation:
Given : m=40 g =0.04 kg v=1200 m/s F=144 N
Let n be the number of bullets that can be fired per second.
The force exerted by man must balance the change in momentum of the bullets per second.
∴ F=mnv
OR 144=0.04×v×1200 ⟹n=3 bullets per second
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