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A small spherical insulator of mass 1.65 x 10^-2 kgand charge +0.600 C is hung by a thin wire of negligible mass. A charge of-0.900 C is held 0.150 m away from the sphere and directly to the right of it, so the wire makes an angle with the vertical (see the drawing). Find (a) the angle and (b) the tension in thewire.

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