A machine gun fires a bullet of mass 40 g with a velocity 1200 m s – 1 . 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?

Question

A machine gun fires a bullet of mass 40 g with a velocity 1200 m s – 1 . 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?, One, Four, Three, Two

MARKS App · Accepted Answer

According to Newton's second law F = ∆ p ∆ t F = n m v t F = m n v 144 = 40 × 10 -3 × n × 1200 n = 144 4 × 12 = 3

Search any question & find its solution

Looking for more such questions to practice?