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Last Modified: 2:01pm 10 Aug 11

A sample dot-product problem

An electric field inside the lab exerts a force 


          F       =  12 N  i   -    6 N  j    +   8 N  k

on a small dust particle. As the particle is blown through the room by a breeze, its moves from 



 initial pos  p1  =  1.2 m  i  +   0.3 m  j   +   0.6 m  k
to 


 final   pos  p2  =  3.5 m  i  -   1.2 m  j   -   0.1 m  k

What is the work done on the dust particle by the electric force? Sorry, we could not find this page | RIT CIS - Center for Imaging Science

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Last Modified: 2:01pm 10 Aug 11

Adapted from Prof. Michael Richmond.