Physics, 29.08.2019 12:10, brooke012002

How many joules of energy are required to run a 100w light bulb for one day?
burning coal yields about 30 x 10^6 j of energy per kilogram of coal burned. assuming that the coal power plant is 30% efficient, how much coal has to be burned to light that light bulb for one day?

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How many joules of energy are required to run a 100w light bulb for one day?
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How many joules of energy are required to run a 100w light bulb for one day? burning coal yields about 30 x 10^6 j of energy per kilogram of coal burned. assuming that the coal power plant is 30% efficient, how much coal has to be burned to light that light bulb for one day?

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How many joules of energy are required to run a 100w light bulb for one day?
burning coal yields about 30 x 10^6 j of energy per kilogram of coal burned. assuming that the coal power plant is 30% efficient, how much coal has to be burned to light that light bulb for one day?