Asked by Fariha

a bullet of mass 10 gram is fired from a gun of mass 5 kg. If the gun recoils at the speed of 60m/s calculate the initial speed of the bullet.The bullet stops after penetrating 50 cm into a target. Find the opposing force to the motion of the bullet
Answered by Chanz
a) mv (gun) = mv (bullet)
b) 1/2mv^2 = Fd
solve for f (and watch your units)