Aparticle of charge q is fixed at the origin of an xy coordinate system. at t = 0 a particle (m = 0.727 g, q = 2.73 µc is located on the x axis at x = 19.3 cm, moving with a speed of 49.2 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.)

Q = 12.466μC

Explanation:

For the particle to execute a circular motion, the electrostatic force must be equal to the centripetal force:

Solving for Q:

Taking special care of all units, we can calculate the value of the charge:

Q = 12.466μC

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explanation: