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An ion with a charge of +3.2 x 10−19 C is in region where a uniform electric field of 5 x 104. V/m is perpendicular to a uniform magnetic field of 0.8 T. If its acceleration is zero then its speed must be:
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An ion with a charge of +3.2 x 10−19 C is in region where a uniform electric field of 5 x 104. V/m i...
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