A ball of 0.39 g and positive charge q=41 uC is suspended on a string of negligible mass in a uniform electric field. We observe that the ball hangs at an angle of 15 degrees from the vertical. What is the magnitude of the electric field?
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A ball of 0.39 g and positive charge q=41 uC is suspended on a string of negligible mass in a uniform electric field. We observe that the ball hangs at an angle of 15 degrees from the vertical. What is the magnitude of the electric field?
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