3a. A charge of ql-6 HC is on the y axis at 4 cm, and a...

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3a. A charge of ql-6 HC is on the y axis at 4 cm, and a second charge of q 6 uC shown in the figure. Find the magnitude and direction of the net force on a charge of qp-SpC on the x axis at x 3 cm. is on the y axis at-4cm as 3b. Two small metallic spheres, each of mass 0.39 g are suspended as pendulums by light strings from a common point as shown. The spheres are given the same electric charge and it is found that the two come to equilibrium when each string is at an angle of 3e with the vertical. If each string is 30.6 cm long, find the magnitude of the charge on each sphere. 0.39 g : 0.39 g

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Answer 1

Answer #1

3a) 风ー夃13 30-4+32 132-u313 132.吲3 lo-ym 2 S magnitudeこ155.5a 3lb) m- 0. 39 0 し30.6cm The sum ol bories on sphonealeng e Fosce along verhical ayi 2. = 2.0546·x1616

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