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The total consumption of electrical energy in the United States is about 1.00×1019 Joules per year.
a) Explain this rate in watts and kilowatts.
b) If the U.S. population is about 260 million people, find the average rate of electrical energy consumption per person?
determine the mass of liquid ammonia that boils away before thermal equilibrium. Assume an excessive amount of liquid ammonia is present and that the liquid ammonia does not react with the copper.
A crate of mass 10.0 kg is pulled up arough incline with an initial speed of 1.50 m/s. The pulling forceis 100 N parallel to the incline, which makes an angle of16.0° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate..
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The electric potential at a position located a distance of 19.8 mm from a positive point charge of 7.80×10-9C, Calculate the value of the second charge
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You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.95 m/s, Find the height of the balcony
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a 3.00-mol sample of oxygen gas is confined to a 4.95-l vessel at a pressure of 8.06 atm. find the average
a mass m1 4.3 kg rests on a frictionless table and connected by a massless string to another mass m2 4.7 kg. a force
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