Physics, 19.09.2021 02:40 lowwlifelivv
Explain sound in the terms of force and energy transfer! :> Giving brainiest as well!
Answers: 2
Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50Β°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3Β°c. the refrigerant enters the compressor at 200 kpa superheated by 4Β°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
Physics, 23.06.2019 02:00
2) why do satelites not fall while revolving around the earth?
Answers: 1
Explain sound in the terms of force and energy transfer! :> Giving brainiest as well!...
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