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Physics, 22.06.2019 11:00, Arielledt10
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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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Physics, 23.06.2019 00:30, oldless504
What practical value did astronomy offer to ancient civilizations?
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