Question

From a rifle of mass 4kg, a bullet of mass 50 gm is fired with an initial velocity of 35m/s. calculate initial recoil velocity of rifle​

Answer 1

Answer:

use law of conservation of momentum

M1U1 PLUS M2U2 EQUALS M1V1 PLUS M2V2

INITIAL VELOCITY OT BOTH IS 0 M PER SEC