Physics, 28.08.2019 08:00 pennygillbert
How much energy in joules does it take to raise the temperature of 1.5kg of aluminum from 20 degrees celsius to 40 degrees celsius
Answers: 1
Physics, 22.06.2019 10:30
In science and physics what is the standard unit of measure for speed?
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Physics, 22.06.2019 12:50
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
Physics, 22.06.2019 16:30
Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor
Answers: 1
How much energy in joules does it take to raise the temperature of 1.5kg of aluminum from 20 degrees...
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