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September 15, 2014

Homework Help: physics

Posted by J on Monday, January 28, 2008 at 10:23pm.

A point charge Q= 4.60 uC is held fixed at the origin. A second point charge q=1.20 uC with mass of 2.80 * 10^-4 is placed on the x-axis 0.250 m away from the origin. (b) The second point charge is released from rest. What is its speed withn its distance from the origin is (i) .500 m (ii) 5.00 m (iii) 50.0 m


I am not sure how to get the speed from the different distances

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