A trolley of mass 0.4 kg rolls along a level, frictionless ramp at a velocity of 6.0 m s-¹. Itcollides with a second trolley of mass 1.0 kg which is initially at rest. The first trolleyrebounds with a speed of 1.8 m s-¹.a) Stating clearly any principles involved, find the velocity of the second trolley afterthe collision.b) Compare the kinetic energy before and after the collision. Is the collision elasticor inelastic? Justify your answer.

We are given mass of both the trolleys. We are given initial velocities of trolleys. We are given…

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