A Proton with a Charge +E Is Moving with a Speed

question 26

Multiple Choice

A proton with a charge +e is moving with a speed v at 50º to the direction of a magnetic field . The component of the resulting force on the proton in the direction of is

• A) evB sin 50º cos 50º
• B) evB cos 50º
• C) zero
• D) evB sin 50º
• E) None of these is correct.

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