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A machine gun fires a bullet of mass 40 g with a velocity $1200 m s^{- 1}$ . The man holding it, can exert a maximum force of 144N on the gun. How many bullets can he fire per second at the most ?

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detailed solution

Correct option is D

F=mnut 144=40×10−3×(nt)×1200 144=12×4(nt) (nt)=3

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A machine gun fires a bullet of mass 40 g with a velocity1200ms−1 . The man holding it, can exert a maximum force of 144N on the gun. How many bullets can he fire per second at the most ?

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A machine gun fires a bullet of mass 40 g with a velocity $1200 m s^{- 1}$ . The man holding it, can exert a maximum force of 144N on the gun. How many bullets can he fire per second at the most ?