A Proton Is Moving at 3 $\times$ 10⁶ M/s and Experiences a Magnetic Force of Magnitude 2

question 69

Multiple Choice

A proton is moving at 3.0 $\times$ 10⁶ m/s and experiences a magnetic force of magnitude 2.5 $\times$ 10^-16 N. If the magnetic field makes an angle of 40 $^{\circ}$ with respect to the velocity of the proton,what is the field's magnitude?

• A) 1.7 \(\times\) 10^-4 T
• B) 3.3 \(\times\) 10^-4 T
• C) 4.1 \(\times\) 10^-4 T
• D) 8.1 \(\times\) 10^-4 T
• E) 1.6 \(\times\) 10^-3 T

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