A Particle with a Charge of 5*10^-6 C and a Mass

question 35

Multiple Choice

A particle with a charge of 5*10^-6 C and a mass of 20 g moves uniformly with a speed of 7 m/s in a circular orbit around a stationary particle with a charge of -5 *10^-6 C. The radius of the orbit is:

• A) 0
• B) 0.23 m
• C) 0.62 m
• D) 1.6 m
• E) 4.4 m

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