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
Answer (1)
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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