A record player is set at a constant $33$ revolutions per minute $(33$ rpm$).$ What$$s the period, the speed, the acceleration and centripetal force acting on a $23\mathrm{.}0$ g object placed $8\mathrm{.}7$ cm from the center of rotation? What supplies the centripetal force acting on the object? $($answers: $1\mathrm{.}8$s$,0\mathrm{.}3$m$/$s$,1\mathrm{.}04$ m$/$ss$,0\mathrm{.}024$N$)$