Problem $28-36$a:

A $\backslash (28\mathrm{.}5-\backslash$mathrm$\{$cm$\}\backslash )$ long rod moves steady at $\backslash (7\mathrm{.}95\backslash$mathrm$\{$~m$\}/\backslash$mathrm$\{$s$\}\backslash )$ in a plane that is perpendicular to a magnetic field of $540$ 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.