Physics, 08.02.2021 22:50 Jonahrosario03
Using the graph, when (in seconds) would you expect the object to have the highest velocity? Explain your answer.
Answers: 2
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A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Answers: 2
Using the graph, when (in seconds) would you expect the object to have the highest velocity? Explain...
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