EXAM_2_–_Fall2011_Practice_Sol[1]

A the air increases in temperature due to internal

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Unformatted text preview: e continues to decrease. Which of the following best describes why this is not a violation of the conservation of energy for the system consisting of the object plus the Earth? A) The air increases in temperature due to internal work done on the air molecules, W. B) The small number of nuclear decays within the object decreases the rest mass of the falling object. C) The chemical energy of the object increases in order to compensate for the decrease in gravitational potential energy. D) The air increases in temperature due to heat exchange, Q. E) The Earth’s kinetic energy increases in order to compensate for the decrea...
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This document was uploaded on 03/25/2014 for the course PHYS 172 at Purdue University-West Lafayette.

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