Physics, 03.12.2021 18:10 irvinbhangal2
A 40kg girl is riding in an elevator going up , while standing on a scale it shows that she weighs 500 Newton’s. What is the upward acceleration of the elevator
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An object's buoyant force and weight mean the same thing.a. trueb. false
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Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?
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Physics, 22.06.2019 19:20
Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
A 40kg girl is riding in an elevator going up , while standing on a scale it shows that she weighs 5...
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