Physics, 09.11.2020 16:40 alialoydd11
A heat engine that pumps water out of an underground mine accepts 700 kJ of heat and produces 250 kJ of work. How much heat does it reject, in kJ
Answers: 3
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Aregular polygon has angkes of size 150° each.how many side has the polygon
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Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate
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Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.
Answers: 1
A heat engine that pumps water out of an underground mine accepts 700 kJ of heat and produces 250 kJ...
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