Physics, 28.08.2019 06:30 Wildstyle3000
Aspace station moves in a circular orbit around earth. which of the following statements describes the centripetal force acting on the space station?
a. the force is acting in the direction of motion.
b. the force is directed toward the space station.
c. the force is directed toward the center of earth.
d. the force is acting opposite the direction of motion.
Answers: 1
Physics, 22.06.2019 12:40
Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?
Answers: 3
Physics, 22.06.2019 14:20
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
Aspace station moves in a circular orbit around earth. which of the following statements describes t...
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