Homework Help: Physics

Posted by paige on Monday, November 28, 2011 at 5:23pm.

Zinc has a work function of 4.30 ev .

A 4.50eV photon strikes the surface and an electron is emitted. What is the maximum possible speed of the electron?

Physics - bobpursley, Monday, November 28, 2011 at 5:34pm
convert .2ev to joules, then
set it equal to 1/2 mv^2, and solve for v

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