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What is hidden during a lunar eclipse? isn't the moon hidden?
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Which feature of a heating curve indicates a change ofn state
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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.
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Physics, 22.06.2019 22:30
Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.
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On a journey of 600 km, a train was delayed 1 hour and 30 min after having covered 1 4 of the way. T...
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