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Physics, 24.09.2021 07:10 lachlyn40

A 42,000-kg train car travelling at 10 m/s toward another train car. After the two cars collide, they couple together and move along at 6 m/s. What is the mass of the second train car?
and omheds itself in the wood. The piece of lumber?

A 42,000-kg train car travelling at 10 m/s toward another train car. After the two cars collide,

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