1. A railway truck of mass 300 kg is travelling at a speed of 7 m/s, It collides with a second truck, of mass 200 kg, travelling at 2 m/s in the opposite direction. The two trucks then couple (stick) together. Find the velocity of the trucks after the collision.

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1. A railway truck of mass 300 kg is travelling at a speed of 7 m/s, It collides with a
second truck, of mass 200 kg, travelling at 2 m/s in the opposite direction. The two
trucks then couple (stick) together. Find the velocity of the trucks after the collision.
Transcribed Image Text:1. A railway truck of mass 300 kg is travelling at a speed of 7 m/s, It collides with a second truck, of mass 200 kg, travelling at 2 m/s in the opposite direction. The two trucks then couple (stick) together. Find the velocity of the trucks after the collision.
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