Physics, 02.08.2019 19:20 rmans22209
An average person generates heat at a rate of 84 w while resting. assuming one-quarter of this heat is lost from the head and disregarding radiation, determine the average surface temperature of the head when it is not covered and is subjected to winds at 10°c and 24 km/h. the head can be approximated as a 0.325-m-diameter sphere. assume a surface temperature of 15ºc for evaluation of μs
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Heat from the sun reaches earth to a. radiation b. convection c. conduction
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Physics, 22.06.2019 09:40
Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.
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What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
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Physics, 22.06.2019 18:30
In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents
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An average person generates heat at a rate of 84 w while resting. assuming one-quarter of this heat...
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