Physics, 29.11.2020 01:40 tlester2005
The photo shows a clay pot being made on a spinning potter's wheel. Which change would increase the pot's angular velocity?
A. Shape the pot so that it has a narrower base and the same size rim.
B. Shape the pot so that it has the same size base and a wider rim.
C. Shape the pot so that it has a wider base and a wider rim.
D. Shape the pot so that it has a wider base and the same size rim.
Answers: 1
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4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
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The photo shows a clay pot being made on a spinning potter's wheel. Which change would increase the...
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