At t $=3\mathrm{.}00$ s a point on the rim of a $0\mathrm{.}200-$m$-$radius wheel

chas a tangential speed of $50\mathrm{.}0$ m$/$s as the wheel slows down with a tan$-$

gential acceleration of constant magnitude $10\mathrm{.}0$ m$/$s$?.($a$)$ Calculate the

wheel's constant angular acceleration. $($b$)$ Calculate the angular veloci$-$

ties at t $=3\mathrm{.}00$ s and $+=0.($c$)$ Through what angle did the wheel turn

between $+=0$ and t $=3\mathrm{.}00$ s$?($d$)$ At what time will the radial accelera$-$

tion equal g$?$