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Chapter 21, Problem 042 SN Incorrect. x In the figure two tiny conducting balls of identical mass m and identical charge q hang from nonconducting threads of length L. Assume that θ is so small that tan can be replaced by its approximate equal, sin e. Find the magnitude of q in terms of the given variables, using εο and g if necessary Click here to enter or edit your answer

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Sol 石ㄧㄥ 2 L r*a 2 L

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