Question

a bullet of mass 10g is fired with a rifle.the bullet takes 0.003s to move through through the barrel and leaves with a velocity of 300m/s. What is the force exerted on the bullet by the rifle

Answer 1

F = ma
F = 10/100 Kg × v-u/t
F = 0.1 Kg × 300-0/3 × 1000
F = 10000N