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If a machine is 75% efficient, what is the output work if 850 J of work is input?
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Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?
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Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
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On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
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If a machine is 75% efficient, what is the output work if 850 J of work is input?...
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