Physics, 05.07.2019 00:20 roseemariehunter12
The air-conditioner for a building transfers heat to the air outside the building via convection off the surface of its condenser. given the surface area of the condenser is 150 m2, the surface temperature of the condenser is 56°c, the outside air temperature is 32°c and the heat transfer co-efficient is 12 w/(m2.k) what is the rate of energy flow to the air by convection? work in base si units. state the units for your answer.
Answers: 3
Physics, 23.06.2019 04:40
Asign is hung between two cables as illustrated below. if the sign weighs 350 n, what is the tension (in n) in each cable?
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Working alone at its constant rate, pump x pumped out ¼ of the water in a tank in 2 hours. then pumps y and z started working and the three pumps, working simultaneously at their respective constant rates, pumped out the rest of the water in 3 hours. if pump y, working alone at its constant rate, would have taken 18 hours to pump out the rest of the water, how many hours would it have taken pump z, working alone at its constant rate, to pump out all of the water that was pumped out of the tank? a) 6b) 12c) 15d) 18e) 24
Answers: 1
The air-conditioner for a building transfers heat to the air outside the building via convection off...
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