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Question
An ion with a charge of +3.2x10-19C is in region where a uniform electric field of 5 x104. V/m is perpendicular to a uniform magnetic field of 0.8 T. If its acceleration is zero then its speed must be:
A) 0 m/s
B) 1.6 x10-5m/s
C) 4.0 x105m/s
D) 6.3 x105m/s
E) any value but 0 m/s
Answer
This answer is hidden. It contains 1 characters.
Related questions
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