Question: You ride your bicycle down a hill, maintaining a constant speed the entire time. (a) As you ride, does the gravitational potential energy of the

You ride your bicycle down a hill, maintaining a constant speed the entire time.
(a) As you ride, does the gravitational potential energy of the you-bike-Earth system increase, decrease, or stay the same? Explain.
(b) Does the kinetic energy of you and your bike increase, decrease, or stay the same? Explain.
(c) Does the mechanical energy of the you-bike-Earth system increase, decrease, or stay the same? Explain.

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