Question

a machine gun fires 240 bullets per minute with a velocity of 80m/s. if the mass of each bullet is 0.04 kg, calculate the power of the gun

Answer 1

Answer:

Power =

t

W

=

t

N(ΔK.E)

bullet

=

60

240×

2

1

×mv

2

=2×10

−2

×(600)

2

=7.2×10

3

W

=7.2 kW