Answers: 3
Physics, 22.06.2019 01:00
Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
Answers: 1
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 17ยฐc. 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 14:30
What conclusion can be made based on the temperature of soil when the light hits the soil at 0ยฐ, 45ยฐ, and 90ยฐ angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
Answers: 1
What has a positive charge a comb or an elastic band? why?...
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