A pith ball is a small foamy ball that can carry an electric charge. A pith ball with a mass of 5.00 mg carries a charge of 3.00 μC. It is on the end of a 10.0 cm string. The pith ball is orbiting around a fixed object in a horizontal circle. If the pith ball orbits with a tangential speed of 2.00 m/s at a distance of 5.00 cm from the fixed charge, what it the magnitude of the fixed charge being orbited? The string makes an angle of 30 ° with the vertical.

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A pith ball is a small foamy ball that can carry an electric
charge. A pith ball with a mass of 5.00 mg carries a charge
of 3.00
μC. It is on the end of a 10.0 cm string. The pith
ball is orbiting around a fixed object in a horizontal circle.
If the pith ball orbits with a tangential speed of 2.00 m/s
at a distance of 5.00 cm from the fixed charge, what it the
magnitude of the fixed charge being orbited? The string
makes an angle of 30
° with the vertical.

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