A Particle (Q = 2

question 36

Multiple Choice

A particle (q = 2.0 ìC, m = 5.0 mg) moves in a uniform magnetic field with a velocity of magnitude 2.5 km/s and a direction that is 60° away from that of the magnetic field. The particle is observed to have an acceleration with a magnitude of 5.1 m/s². What is the magnitude of the magnetic field?

• A)2.1 T
• B)3.0 T
• C)5.9 T
• D)7.3 T

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