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Aheat engine does 30 j of work per cycle while exhausting 50 j of waste heat. what is the engine's thermal efficiency?
Answers: 1
Physics, 21.06.2019 14:50
Along, straight wire with 3.0 a current flowing through it produces magnetic field strength 1.0 t at its surface. if the wire has a radius r, where within the wire is the field strength equal to 36.0% of the field strength at the surface of the wire? assume that the current density is uniform throughout the wire
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Physics, 22.06.2019 17:00
If you put a helium-filled balloon in the refrigerator, what will happen?
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Physics, 22.06.2019 19:00
What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?
Answers: 3
Aheat engine does 30 j of work per cycle while exhausting 50 j of waste heat. what is the engine's t...
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