Question
An athlete training for an event does 5.28 x 10^4 J of work during a workout and gives off 2.97 x 10^5 J of heat.
An athlete training for an event does 5.28 x 10^4 J of work during a workout and gives off 2.97 x 10^5 J of heat. Consider the athlete to be like a heat engine.
(a) Determine the magnitude of the change in internal energy of the athlete. ___ J
(b) What is his efficiency?
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Physics
Authors: John D. Cutnell, Kenneth W. Johnson
9th edition
470879564, 1118424840, 470879521, 9780470879566, 9781118424841, 978-0470879528
