A train is traveling up a 50 degrees incline at a speed of, Ask an Expert

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A train is traveling up a 5.0 degrees incline at a speed of 2.65 m/s when the last car breaks free and begins to coast without friction.

a.) How long does it take for the last car to come to rest momentarily?

b.) How far did the last car travel before momentarily coming to rest?

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