Physics, 10.10.2019 22:30 lucialovell6804
Aheat engine is operating on a carnot cycle and has a thermal efficiency of 75 percent. the waste heat from this engine is rejected to a nearby lake at 60of at a rate of 800 btu/min. determine (a the power output of the engine and (b the temperature of the source.
Answers: 2
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Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge
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Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground
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Aforce of 34n stretches a very light ideal spring 0.73 m from equilibrium, what is the force constant (spring constant) of the spring? (a) 47n/m (b) 38n/m (c) 53n/m (d) 25n/m
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Aheat engine is operating on a carnot cycle and has a thermal efficiency of 75 percent. the waste he...
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