A 2.48-kg rock is released from rest at a height of 17.2 m. Ignore air resistance and determine (a) the kinetic energy at 17.2 m, (b) the gravitational potential energy at 17.2 m, (c) the total mechanical energy at 17.2 m, (d) the kinetic energy at 0 m, (e) the gravitational potential energy at 0 m, and (f) the total mechanical energy at 0 m.

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