A machine gun fires a bullet of mass 40g with a velocity 1200 ms-1 the man holding it can exert a maximum force of 144 n on the gun how many bullts can be fires
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Answer:
F = nmv/t
n/t = F / (mv)
= (144 N) / (40 × 10^-3 kg × 1200 m/s)
= 3 s^-1
∴ Man can fire maximum 3 bullets per second.
Explanation:
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