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Question

A roller coaster car has a mass of 400 kg400 \mathrm{~kg} and a speed of 15 m/s15 \mathrm{~m} / \mathrm{s}.

a) What is the KEK E of the roller-coaster cart?

b) What will be the GPE of this roller-coaster cart at its highest point, where KE=0K E=0 at that point?

c) How high can the roller-coaster cart go with this much energy?

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This exercise requires us to answer a series of questions about the energy changes in a roller coaster car.

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