Physics, 31.07.2019 16:30 rmcarde4432
Infrared radiations are primarily used to a. heat food in ovens b. transmit cellular phone signals c. image people's bones and teeth d. detect the location of objects that emit heat
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Physics, 22.06.2019 11:30
Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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Physics, 22.06.2019 13:10
Most short-period comets do not have randomly oriented orbits because
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Physics, 22.06.2019 16:30
The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
Infrared radiations are primarily used to a. heat food in ovens b. transmit cellular phone signals...
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