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July 24, 2014

Homework Help: physics

Posted by Anonymous on Wednesday, November 9, 2011 at 10:52pm.

Suppose a beam of 5.0 eV protons strikes a potential energy barrier of height 5.5 eV and thickness 0.57 nm, at a rate equivalent to a current of 825 A.
(a) How long would you have to wait-on average-for one proton to be transmitted?

(b) How long would you have to wait if the beam consisted of electrons rather than protons?

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