Question

A machine gun fires 360 bullets per minute. If the mass of each bullet is 10gm and moves with 400m per second. power of the machine gun is

Answer 1

hey frnd u may solve this using these steps....
time taken by each bullet=1/360/60=1/6
use v=u+at(u=0)and v=400
after u will get a....
use S=ut+1/2at²
now w=f.s
now p=w/t
i hope it help u