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Physics 7 Online
OpenStudy (anonymous):

Two identical spheres of mass 36 g are suspended from threads of length 1.17 m and carry equal charges of 1.60×10-8 C. Assume that the angle θ is small, so that its tangent can be replaced by its sine. How far are the two spheres apart

OpenStudy (theeric):

I didn't know what it meant by "tangent can be replaced by its sine." But I think I do now! But I have some input...|dw:1393385212336:dw||dw:1393385424591:dw|

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