(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

use the work energy theorem to find the force required to accelerate an electron (m=9.11 X10^-31 kg) from a speed of 1.50 X10^7 m/s in a distance of .0125

2. Relevant equations

W=Fd KE= 1/2mv^2

W=KE

3. The attempt at a solution

I've tried this problem about eight times, and each time I managed to get a different answer, but this is my try at a solution

W=Fx

W/x= F

W=1/2mv^2

mv^2/2x = F

however, this does not work for me.

the answer is 3.56 X10 -19N

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# Homework Help: Kinetic Energy/Work Problem

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