Question 6.1a: A toy car having mass m = 1.25 kg collides inelastically with a toy train of mass M = 3.95 kg. Before the collision, the toy train is moving in the positive x-direction with a velocity of V; = 2.40 m/s and the toy car is also moving in the positive x-direction with a velocity of v; = 4.90 m/s. Immediately after the collision, the toy car is observed moving in the positive x-direction with a velocity of 2.25 m/s. (a) Determine V the final velocity of the toy train. m/s (b) Determine the change AKE in the total kinetic energy. Assume friction and the rotation of the wheels are not important so that they do not affect AKE.

Physics for Scientists and Engineers with Modern Physics
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Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 53CP
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Question 6.1a:
A toy car having mass m = 1.25 kg collides inelastically with a toy train of mass M = 3.95 kg. Before the collision, the toy train is moving in the positive x-direction with a velocity of V; = 2.40 m/s and the toy car is also moving in the positive
x-direction with a velocity of v; = 4.90 m/s. Immediately after the collision, the toy car is observed moving in the positive x-direction with a velocity of 2.25 m/s.
(a) Determine V the final velocity of the toy train.
m/s
(b) Determine the change AKE in the total kinetic energy. Assume friction and the rotation of the wheels are not important so that they do not affect AKE.
Transcribed Image Text:Question 6.1a: A toy car having mass m = 1.25 kg collides inelastically with a toy train of mass M = 3.95 kg. Before the collision, the toy train is moving in the positive x-direction with a velocity of V; = 2.40 m/s and the toy car is also moving in the positive x-direction with a velocity of v; = 4.90 m/s. Immediately after the collision, the toy car is observed moving in the positive x-direction with a velocity of 2.25 m/s. (a) Determine V the final velocity of the toy train. m/s (b) Determine the change AKE in the total kinetic energy. Assume friction and the rotation of the wheels are not important so that they do not affect AKE.
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