Physics, 28.08.2019 00:00 vanessaharlan01
An airplane flies a distance of 650 km at an average speed of 300km/h. how much time did the flight last
Answers: 1
Physics, 22.06.2019 10:10
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
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
Physics, 23.06.2019 00:00
Why does a collision with an airbag cause less damage than a collision with a steering wheel
Answers: 1
Physics, 23.06.2019 00:00
When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?
Answers: 2
An airplane flies a distance of 650 km at an average speed of 300km/h. how much time did the flight...
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