(a) One of the -Q charges in Figure 20-34 is given an outward kick that sends it...

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(a) One of the -Q charges in Figure 20-34 is given an outward "kick" that sends it off with an initial speed (0 while the other three charges are held at rest. If the moving charge has a mass m, what is its speed when it is infinitely far from the other charges?

Figure 20-34,

+Q +Q

(b) Suppose the remaining -Q charge, which also has a mass m, is now given the same initial speed, (0. When it is infinitely far away from the two +Q charges, is its speed greater than, less than, or the same as the speed found in part (a)? Explain.

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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