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April 2, 2015

April 2, 2015

Posted by **Stryker** on Thursday, June 7, 2012 at 4:27pm.

(electron parameters: the charge is -e where e = 1.602ื10-19 C; the mass is m = 9.11ื10-31 kg.)

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**Elena**, Thursday, June 7, 2012 at 5:39pmKE =mv²/2,

v= sqrt(2Ke/m) = sqrt(21781.610^-19/9.1110^-31) =7.910^6.

Lorentz force

F=qvBsinα,

Since the circular orbit, sinα = 1.

mv²/R = qvB.

R= mv/qB = mv/eB =

=9.1110^-317.910^6/1.610^-19110^5 =4.510^-10 m

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