A beam of electrons moving in the +x direction encounters a potential barrier that is 3.42 eV high and 0.78 nm wide.Each electron has a kinetic energy of 3.41 eV and the electrons arrive at the barrier at a rate of 500 electrons/s (500 electrons every second).What is the average rate in electrons/s at which electrons pass through the barrier?
A)435 electrons per second
B)282 electrons per second
C)225 electrons per second
D)176 electrons per second
E)65 electrons per second

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The Answer of A beam of electrons moving in the +x direction encounters a potential barrier that is 3.42 eV high and 0.78 nm wide.Each electron has a kinetic energy of 3.41 eV and the electrons arrive at the barrier at a rate of 500 electrons/s (500 electrons every second).What is the average rate in electrons/s at which electrons pass through the barrier?
A)435 electrons per second
B)282 electrons per second
C)225 electrons per second
D)176 electrons per second
E)65 electrons per second

A Beam of Electrons Moving in the +X Direction Encounters