An electron enters magnetic field

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An electron enters a region of magnetic field of magnitude 0.030 T, traveling perpendicular to the linear boundary of the region. The direction of the field is perpendicular to the velocity of the electron.

(a) Determine the time it takes for the electron to leave the "field-filled" region, noting that its path is a semicircle.

(b) Find the kinetic energy of the electron if the radius of its semicircular path is 2.25 cm.
asked Jun 17, 2013 in Physics by flanagmo (40 points)

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