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Physics, 01.02.2021 02:10 shawna189

A train has a kinetic energy of 40,000 Joules. Some of the carts disconnect while it is moving, and the mass is ¼ as much. What is the new kinetic energy of the train?

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A train has a kinetic energy of 40,000 Joules. Some of the carts disconnect while it is moving, and...
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