Question

3.
12. A machine gun fires 240 bullets per minute with a velocity of 500 ms. If the mass of each of the
bullet is 5 x 10 kg, the power of the gun
is

a) 2500 W
b) 250 W
c) 1250 W
d) 25000 W​

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

Answer 2

Answer:

2500w

hopfully this is help full to you