Physics, 19.08.2019 00:30 IUlawyer4535
If earth were twice as far from the sun, the force of gravity attracting the earth to the sun would be
a. twice as strong
b. half as strong
c. one-quarter as strong.
can someone explain this one for me ? : )
Answers: 1
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Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
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The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.
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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)
Answers: 3
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