Physics, 30.10.2019 07:31, JusSomeRandomGuy
In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 10.7 °c. the temperature at the inside surface of the wall is 23.9 °c. the wall is 0.15 m thick and has an area of 8.4 m2. assume that one kilowatt · hour of electrical energy costs $0.12. how many hours are required for one dollar's worth of energy to be conducted through the wall?
Answers: 1
Physics, 21.06.2019 23:30, southerntouch103
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 18:30, zoelynn9104
Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above
Answers: 2
In an electrically heated home, the temperature of the ground in contact with a concrete basement wa...
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