Physics, 11.10.2020 14:01 medlinalex
A man walks 30 m to the west than 5 m to the east in 45 seconds.
A). what is his total distance walked?
B). What is his average velocity?
Answers: 2
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The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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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)
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Physics, 23.06.2019 00:30
3. which is not a primary color of light? blue red green yellow
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A man walks 30 m to the west than 5 m to the east in 45 seconds.
A). what is his total distance wal...
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