A toy car having mass m = 1.30 kg collides inelastically with a toy train of mass M = 3.55 kg. Before the collision, the toy train is moving in the positive x-direction with a velocity of Vi = 2.35 m/s and the toy car is also moving in the positive x-direction with a velocity ofvi = 4.90 m/s. Immediately after the collision, the toy car is observed moving in the positive x-direction with a velocity of1.75 m/s. (a) DetermineVf,the final velocity of the toy train.m/s(b) Determine the change ΔKE in the total kinetic energy. Assume friction and the rotation of the wheels are not important so that they do not affect ΔKE. J

A toy car having mass m = 1.30 kg collides inelastically with a toy train of mass M = 3.55 kg. Before the collision, the toy train is moving in the positive x-direction with a velocity of Vi = 2.35 m/s and the toy car is also moving in the positive x-direction with a velocity ofvi = 4.90 m/s. Immediately after the collision, the toy car is observed moving in the positive x-direction with a velocity of1.75 m/s. (a) DetermineVf,the final velocity of the toy train.m/s(b) Determine the change ΔKE in the total kinetic energy. Assume friction and the rotation of the wheels are not important so that they do not affect ΔKE. J

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