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Physics, 01.07.2020 20:01 mathman783
A satellite orbiting Earth is powered by sunlight converted into electricity. The solar cell system efficiency, including temporary energy storage and a safety factor for possible cell failures, is 5%. Sunlight provides 1.4 kW/m2 in the vicinity of Earth. What is the area of the solar cell array if the power requirement is 1400 W
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What is meant by the statement" the melting poin of glycerine is 13 degree celsius
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Physics, 22.06.2019 20:00
In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will “stick” to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm
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A satellite orbiting Earth is powered by sunlight converted into electricity. The solar cell system...
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