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Chapter 21, Problem 052 A particle of charge Q is fixed at the origin of an xy coordinate system. At t-0 a particle (m 0.874 g, q-5.14 μC is located on the x axis at x-18.5 cm, moving with a speed of 31.5 m/s in the positive y direction. For what value of Q will the moving particle execute circular motion? (Neglect the gravitational force on the particle.) Number Units the tolerance is +/-296

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