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10 students whose combined mass is 700 kg ride down 30 m in a elevator. How much thermal energy is produced in the elevator system by the loss in gravitational potential energy of the students

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asked by nat
  1. m g h = 700 * 9.81 * 30 Joules

    Unless you find some way to store that energy and use it to move the elevator back up.

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    posted by Damon

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