A Particle with a Mass of 6

question 41

Multiple Choice

A particle with a mass of 6.64 × 10^-27 kg and a charge of +3.20 × 10^-19 C is accelerated from rest through a potential difference of 2.45 × 10⁶ V. The particle then enters a uniform 1.60-T magnetic field. If the particle's velocity is perpendicular to the magnetic field at all times, what is the magnitude of the magnetic force exerted on the particle?

• A)zero newtons
• B)1.14 × 10^-10 N
• C)6.55 × 10^-10 N
• D)4.09 × 10^-11 N
• E)7.87 × 10^-12 N

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