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Physics 8 Online
OpenStudy (anonymous):

Suppose that a 400 W TV receiver is turned on for 1 hr with nobody watching it. Assume that fuel oil weighs 50 lb/ft^3, and that one can obtain 18,500 BTU from a pound of oil. Knowing that there are 231 in^3 in 1 gal, 778 ft-lb of energy in 1 BTU, and 0.738 ft-lb in 1 J, how many pints of oil were wasted because of this carelessness?

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