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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
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Physics, 23.06.2019 02:00
How does changing the frequency affect the energy of the wave?
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Physics, 23.06.2019 10:00
The current through a 10 ohm resistor is 1.2 amperes.what is the potential difference across the resistor?
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The momentum of an object is 2.5 kg•m/s, and it is travelling at a speed of 100 m/s.
a) What is the...
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