Water flows over a dam at a rate of 66,000 kilograms/second at a hydroelectric plant. a) How much work does gravity do on this mass of water each second if the water falls 150 meters? b) If this hydroelectric plant is 100% efficient in converting the energy of falling water into electricity, how many megawatts of electric power does this plant produce? (A megawatt equals one million watts.) c) If there is a severe drought and water only flows over the dam at a rate of 10,000 kilograms/second, then how many megawatts of electric power does this plant now produce?
Water flows over a dam at a rate of 66,000 kilograms/second at a hydroelectric plant. a) How much work does gravity do on this mass of water each second if the water falls 150 meters? b) If this hydroelectric plant is 100% efficient in converting the energy of falling water into electricity, how many megawatts of electric power does this plant produce? (A megawatt equals one million watts.) c) If there is a severe drought and water only flows over the dam at a rate of 10,000 kilograms/second, then how many megawatts of electric power does this plant now produce?
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Water flows over a dam at a rate of 66,000 kilograms/second at a hydroelectric plant. a) How much work does gravity do on this mass of water each second if the water falls 150 meters? b) If this hydroelectric plant is 100% efficient in converting the energy of falling water into electricity, how many megawatts of electric power does this plant produce? (A megawatt equals one million watts.) c) If there is a severe drought and water only flows over the dam at a rate of 10,000 kilograms/second, then how many megawatts of electric power does this plant now produce?
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