Physics, 05.11.2019 03:31 makayladurham19
Estimate the wavelength corresponding to maximum emission from each of the following surfaces: the sun, a tungsten filament at 2500 k, a heated metal at 1500 k, human skin at 305 k, and a cryogenically cooled metal surface at 60 k. estimate the fraction of the solar emission that is in the following spectral regions: the ultraviolet, the visible, and the infrared.
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Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
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Physics, 22.06.2019 10:30
In science and physics what is the standard unit of measure for speed?
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Physics, 22.06.2019 11:30
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
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Estimate the wavelength corresponding to maximum emission from each of the following surfaces: the...
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