Physics, 25.06.2019 23:20 mikeydog6273
What do microwaves and x-rays have in common? they are visible. they are mechanical waves that require a medium. they are part of the electromagnetic spectrum. they carry sound.
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Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
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Physics, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
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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
What do microwaves and x-rays have in common? they are visible. they are mechanical waves that requ...
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