Question #110676

A maximum machine gun fire is 465 per minute. Each bullet has a mass of 12 g in a velocity of 655M/S what is the average fours that the impact of these bullets exert on a target assume the bullets penetrate the target in remain in bedded in it calculates answer to one decimal

Expert's answer

As per the question,

rate of emerging the bullets=465 bullets /min "=\\dfrac{-465}{60}=7.75 bullets\/sec"

mass of the bullets"=12g=12\\times 10^{-3}kg"

Speed of the bullets =655 m/sec

hence average force applied by the bullet= rate change of momentum

="7.55\\times 12\\times 10^{-3}\\times 655 N=59.343N"

or "F=59.3N"

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