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What is the longest wavelength, in nanometers, of electromagnetic radiation that can eject a photoelectron from this metal
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
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What is the longest wavelength, in nanometers, of electromagnetic radiation that can eject a photoel...
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