Homework Help: physics

Posted by leah on Thursday, April 29, 2010 at 7:34pm.

The charges of two identical aluminum speheres are -24uC and +4.0uC. The spheres are brought together so they simultaneously touch each other. They then seperated and placed on the X-axis. What is the net force exerted b one sphere on another after seperation?

physics - bobpursley, Thursday, April 29, 2010 at 8:12pm
add the charges, then divide the result by 2, that is the net charge on each.

Now, to compute the force, you need the radius of the spheres to get the separation.

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