$($I$)$ A long thin wire, hundreds of meters long, carries a

uniformly distributed charge of $-8\mathrm{.}4C$ per meter of

length. Estimate the magnitude and direction of the electric

field at points $($a$)5\mathrm{.}0m,$ and $($b$)1\mathrm{.}5m,$ perpendicular from

the center of the wire.