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# Calculate the velocity of a 1.0 - $\mu$ m electron and a potential difference used to accelerate it from rest to this velocity.

## $v= 727 m/s, V=1.51\times10^6 V$

### Discussion

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##### Andy C.

University of Michigan - Ann Arbor

LB
##### Marshall S.

University of Washington

##### Aspen F.

University of Sheffield

### Video Transcript

no discussion were given an electron with way flank off one micro. Amita just said about my six. You're going to use this to find what's the potential difference that is used to accelerate it from rest. So using this rethink using the Ebro keys, we think former can find one. It's the momentum. You think this momentum you can quit it to the kinetic energy. Yes, you re days classical that this is non relativistic about the candy and she just peace go over to em. So the events off the electron says such So this is the kinetic energy. Now we know that you can get the energy he's given us the church of the electron multiplier priority potential difference there is used to accelerate it. So the potential difference would just be an eternity. Develop variety Charge 40 electron, which is just the elementary church, Uh, which is 1.6 time stands power off my next night. This case has about 1.51 times 10 0 minus six folks and how to get the velocity Previously forgot to get lost. E off the electron can get it by taking women 70 vibe. I am we should get about seven point seven point 27 time. Stand off to just a second about 7 to 7 m per second.

National University of Singapore
##### Andy C.

University of Michigan - Ann Arbor

LB
##### Marshall S.

University of Washington

##### Aspen F.

University of Sheffield