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Physics, 21.06.2019 15:00
Air flows upward in the wick of a lantern because of the liquid property called
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Physics, 21.06.2019 21:00
State the right hand rule of the direction of magnetic field in a conductor carrying current
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Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
Kate is participating in a race. she ran 300 meters in 3 minutes. what is her average speed in m/min...
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