B) Mass of a Cannon is 300 kg. It is used to fire a Cannon ball of 20 kg with a velocity of 450 m/s Complete the activity and rewrite to find the recoil speed of the Cannon. Solution (Cannon) (Cannon ball) m_{2}*V_{2} + (Cannon) m 1 v 1 + m/s . [300*0]+[ [20 * 0] = [300* v 1 ]+[20* Box] v_{1} (Cannon ball) m_{2}*u_{2} = = .. 0
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