Physics, 03.08.2019 15:40 Chrisis5143
500 j of work are done on a system in a process that decreases the system's thermal energy by 200 j. how much heat energy
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Physics, 22.06.2019 00:30
Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest
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Physics, 22.06.2019 14:30
Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
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Physics, 23.06.2019 07:00
Conventional hot-water heaters consist of a tank of water maintained at a fixed temperature. the hot water is to be used when needed. the drawback is that energy is wasted because the tank loses heat when it is not in use, and you can run out of hot water if you use too much. some utility companies are encouraging the use of on-demand water heaters (also known as flash heaters), which consist of heating units to heat the water as you use it. no water tank is involved, so no heat is wasted. a typical household shower flow rate is 2.50 gal/min (9.46 l/min ) with the tap water being heated from 51.0 Λf (10.6 Λc) to 120 Λf (48.9 Λc) by the on-demand heater.what rate of heat input (either electrical of from gas) is required to operate such a unit, assuming that all the heat goes into the water?
Answers: 3
500 j of work are done on a system in a process that decreases the system's thermal energy by 200 j....
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