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An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.280 T. If the kinetic energy of the electron is 3.50 x 10^-19 J, find the speed of the electron and the radius of the circular path.

(a) the speed of the electron

Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s

(b) the radius of the circular path

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