A train is moving at 17 m/s and has a mass of 2564 kg. A broken down car (loaded with heavy bricks) is stopped on the train track. Upon impact, the train and car get tangled together and travel at a constant velocity of 4 m/s.

Question

A train is moving at 17 m/s and has a mass of 2564 kg.  A broken down car (loaded with heavy bricks) is stopped on the train track. Upon impact, the train and car get tangled together and travel at a constant velocity of 4 m/s.

What is the mass of the broken down car?
i got 8333kg

Henry · Answer

The procedure is the same as your previous post except the unknown will be M2 1nstead of the velocity.