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A heat pump is used to heat a home. It draws 3 kW of electrical power, and it extracts heat at a rate of 6 kW from the cold outdoor air.
A. At what rate does it add heat to the home?
B. What is the heat pump's heating coefficient of performance?
C. How long does it take to add 1 MJ of thermal energy to the home?
a cycle consists of two isochoric and two isothermal process. the volume variation vmax vmin in the cycle is r fold
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Current airbag regulations specify that they must only pass a test designed to protect a 175 pound male who is not wearing a seatbelt. There is currently a discussion of lowering the explosive force by 30%, so that smaller-sized people (including wom..
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