A Proton Moving with a Velocity of 4

question 116

Multiple Choice

A proton moving with a velocity of 4.0 × 10⁴ m/s along the +y-axis enters a magnetic field of 0.20 T directed towards the -x-axis.What is the magnitude of the magnetic force acting on the proton?

• A)8.0 × 10^-15 N
• B)3.9 × 10^-15 N
• C)2.6 × 10^-15 N
• D)0 N
• E)1.3 × 10^-15 N

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