the machine gun fires 240 bullets per minute. Mass of each bullet is10g and the velocity of the bullet is 600m/s , then the power of gun is

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the machine gun fires 240 bullets per minute. Mass of each bullet is10g and the velocity of the bullet is 600m/s , then the power of gun is

Pavan S 13th Oct, 2019

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ADITYA KUMAR Student Expert 13th Oct, 2019

Hello there!

Greetings!

We have ,

work done by the gun=the total kinetic energy of the bullets=

n1/2mv^2=240.1/2.10.10^-3.(600)^2=120.10.10^-3.360000 where n = no. Of bullets.

Now, power=work done/time taken=120.10.10^-3.360000/60=7200W=7200/1000=7.2KW(1KW=1000W)

Thankyou

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