a coin $($mass m$=0\mathrm{.}010$kg$)$ sits on a turntable that rotates counterclockwise at a constant speed. the coin turns with the turntable, without slipping. The distance from the coin to the center of the turntable is $0\mathrm{.}20$m$,$ and the turntable requires $5\mathrm{.}0$s to make a full revolution