Posted by amela on Thursday, November 29, 2012 at 10:31pm.
Her only source of energy during this event was internal. She was not eating anything.
Therefore her loss of internal energy went to work done and to heat lost to the surroundings.
8.8 * 10^5 - 5.5 * 10^5 = 3.3 * 10^5 Joules
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