Physics, 07.11.2019 19:31, rosemary909
Aclassroom has 24 fluorescent bulbs, each of which is 32 w. how much energy does it take to light the room for a minute? (unit=j)
Answers: 1
Physics, 22.06.2019 12:50, starr3971
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 16:00, jayelijah0508
What is friction? how does it affect the motion of an object?
Answers: 1
Aclassroom has 24 fluorescent bulbs, each of which is 32 w. how much energy does it take to light th...
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