Moving a charge

  • Thread starter HELLO11
  • Start date
  • #1
HELLO11
19
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Homework Statement



A point charge with charge q1 is held stationary at the origin. A second point charge with charge q2 moves from the point (x1, 0) to the point (x2,y2).

How much work W is done by the electrostatic force on the moving point charge?

Express answer in joules. Use k for Coulomb's constant


Homework Equations



http://i283.photobucket.com/albums/kk319/bigcurly_09/render.gif...
 

Answers and Replies

  • #2
CrazyIvan
45
0
Think about how you would define moving, say, a rock from one elevation to another. At each location, the rock has a certain "gravitational potential energy", and the amount of work you do is equal to the differences in the gravitational potential energies.

Now think about how you define potential energies for charged particles.
 
  • #3
HELLO11
19
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can any help me, i still don't get it
 
  • #4
CrazyIvan
45
0
can any help me, i still don't get it

What exactly don't you get?

A good first step would be posting your attempt at solving the problem.
 

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