Physics, 24.02.2022 18:30 Jenifermorales101
Why is it impossible for a heat engine to be 100% efficient?
A. Some heat is always lost to the environment.
B. Entropy always decreases in a heat engine.
C. Work cannot be done on a heat engine.
D. Heat is constantly being created.
Answers: 3
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Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free β body force diagram showing the forces acting on the block. (b) write down all relevant newtonβs equations for a given situation.
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Acorporation gives out its profits as dividends paid to whom?
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Why is it impossible for a heat engine to be 100% efficient?
A. Some heat is always lost to the en...
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