Initially at Rest,a Small Copper Sphere with a Mass of 2.0

question 6

Multiple Choice

Initially at rest,a small copper sphere with a mass of 2.0 * 10^-6 kg and a charge of 3.0 *10^-4 C is accelerated through a 5000 V potential difference before entering a region with a 4.0 T magnetic field that is directed perpendicular to the its velocity.What is the radius of curvature of the copper sphere's motion in the magnetic field region?

• A)2.0 m
• B)4.1 m
• C)8.3 m
• D)650 m
• E)1300 m

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