Question

A machine gun fires a bullet of mass 40 gm with a speed 1200 m/s. The man holding

it can exert a maximum force of 144 N on the gun. How many bullets can he fire per

second at the most?

1) One 2) Four 3) Two 4) Three​

Answer 1

Answer:

F=mna

144=0.04×1200/1×n

n=144/48

=4