FM19 P12 Q10 Loss of Kinetic Energy in Collision | CAIE A Level 9702 Physics

9702/12/F/M/19: Two balls, of masses m and 2m, travelling in a vacuum with initial velocities 2v and v respectively, collide with each other head-on, as shown.

After the collision, the ball of mass m rebounds to the left with velocity v. What is the loss of kinetic energy in the collision? #9702m19p12 #AScollisionsP1 #ASmomentumP1 #Lv3

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