Physics, 28.01.2020 20:02, goldengirl4078
Acompany is interested in buying a new machine to replace their outdated equipment. however, before committing to the purchase, the company asks the manufacturer to provide data on a certain machine's efficiency. the data suggests that with a supplied energy at a rate of 1,600 w, the machine will do useful work at a rate of 1,540 w. what's the efficiency of this particular machine?
a. 84.21%
b. 96.25%
c. 103.90%
d. 77.00%
Answers: 3
Physics, 22.06.2019 02:30, 22emilyl530
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
Answers: 2
Physics, 22.06.2019 19:30, cecelia090
Another word for electromagnetic energy is a. heat b. force c. matter d. radiation
Answers: 1
Physics, 23.06.2019 00:10, alisonnn101
During cooling, the kinetic energy of the molecules falls. why does this happen? a. the motion of the molecules increases. b. the motion of the molecules slows down. c. the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
Answers: 2
Acompany is interested in buying a new machine to replace their outdated equipment. however, before...
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