Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Work Power Energy
A machine gun fires 60 bullets per minute with a velocity of 700 m/s. If each bullet has a mass of 50 g. the power developed by the gun is:
1
250 W
2
50 W
3
12250 W
4
More than one of the above
5
None of the above