1 At a firing range, a man holds a gun and fires a bullet horizontally. The bullet is fired with a horizontal velocity of \(400 \mathrm {~m} \mathrm {~s} ^ { - 1 }\). The mass of the gun is 1.5 kg and the mass of the bullet is 30 grams.
- Find the speed of recoil of the gun.
- Find the magnitude of the impulse exerted by the man on the gun in bringing the gun to rest after the bullet is fired.
[0pt]
[2 marks]