What torque must the motor supply

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Q. For silver electrode (hint: click just below the word "cesium"), what is the highest energy of an electron ejected by light of 250 nm?

Q. A 200, 21 cm-diameter plastic disks is spun on an axle by its center by an electric motor. What torque must the motor supply to take the disk from 0 to 2000 rpm in 5.00?

Reference no: EM1387514

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