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An Ion with a Charge of +3

Question 52

Multiple Choice

An ion with a charge of +3.2 *10?19 C is in region where a uniform electric field of 5 F*104.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 * 10-5 m/s
C) 4.0*105 m/s
D) 6.3* 105 m/s
E) any value but 0 m/s

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