Physics, 05.05.2020 11:23, jaustin1961
Electrical power plants dissipate about 2/3 of their input energy into the environment, primarily in the form of hot water at about 20C (35F) above ambient temperatures. What would be some of the challenges in using this "waste heat for the heating of buildings near the power plant? (this has multiple correct answers to get full credit) Select one or more: Oa. The quality of warm water is low due to the low delta temperature (between the building and the water). It leads to very low efficiency b. Operating costs might be high because you would have to move a very large volume of water through the pipes to get enough heat from the warm water c. capital costs would be high to build the piping network to get the warm water to the buildings and back to the power plant
Answers: 1
Physics, 22.06.2019 13:10, andreanaapollon7593
Which additional product balances the reaction h2so4 + 2naoh โ na2so4 + 2h2o 2oh h2o2 h3o
Answers: 1
Physics, 22.06.2019 14:40, babygirl091502
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg ยท s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
Physics, 22.06.2019 16:20, ceasar6071
The energy equivalent of the rest mass of an electron is
Answers: 1
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