Problem $28-36$a:

A $23\mathrm{.}0-$cm long rod moves steady at $7\mathrm{.}53$ m$/$s in a plane that is perpendicular to a magnetic field of $530$ G$.$ The velocity of the rod is perpendicular to its length. Find the magnetic force on an electron in the rod.

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Problem $28-36$b:

Find the electrostatic field in the rod.

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Problem $28-36$c:

Find the potential difference between the ends of the rod.