Answer to Question #301039 in Physics for Vibes

Question

A railway truck of 100kg mass traveling with a velocity of 7ms^-1 collides with a second truck of 200kg mass and the two couple automatically and move off together. Calculate the velocity of the coupled trucks and the energy lost to the system; if the second truck has a speed of 5ms^-1 (a) in the same direction, (b) in the opposite direction and (c) is initially stationary.

Answer 1

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