Physics, 22.01.2020 22:31 noathequeen
Abus is designed to draw its power from a rotating flywheel that is brought up to 3000 rpm by an electric motor. the flywheel is a solid cylinder of mass 2000 kg and diameter 1 m. if the bus requires an average power of 20 kilowatts, how long will the flywheel rotate?
620 s
830 s
980 s
1,200 s
2,500 s
Answers: 3
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