A Charged Particle (M = 2

question 28

Multiple Choice

A charged particle (m = 2.0 g, q = −50 μC) moves in a region of uniform field along a helical path (radius = 4.0 cm, pitch = 8.0 cm) as shown. What is the angle between the velocity of the particle and the magnetic field?

• A) 27°
• B) 72°
• C) 63°
• D) 18°
• E) 58°

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