A Particle with Charge Q and Mass M Moving with Speed

question 14

Multiple Choice

A particle with charge q and mass m moving with speed v in the +x direction enters a magnetic field of strength B pointing in the +y direction. The magnitude of the acceleration of the particle as it travels one semicircle is

• A) qvB/m.
• B) mv²/2B.
• C) qvB.
• D) mqvB.
• E) mv/qB.

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