The work function of tungsten is \( 4.50 \mathrm{eV} \). Calculate the speed of the fastest elec...

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The work function of tungsten is \( 4.50 \mathrm{eV} \). Calculate the speed of the fastest electrons ejected from a tungsten surface when light whose photon energy is \( 5.80 \mathrm{eV} \) shines on the surface.
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