What is the radius of the particles circular orbit in field

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A singly charged ion, mass = 2.54 x 10 kg , is accelerated across a potential difference of 5000 -26 volts.
a)What is its velocity?
b)The charged ion then enters a magnetic field, B = 0.20 T, perpendicular to the field. What is the radius of the particle's circular orbit in the field?

Reference no: EM13339245

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