11. For the problem below, a point is rotating with uniform circular motion on a circle of radius r . Find 1: ifr : 3 inches and the point rotates at it] rpm. a. Give exact answer. u : infsec h. Round to three signicant gures. v = infsec 12. If the sector formed by a central angle of 30" has an area of in: square centimeters, find the radius in centimeters ofthe circle. Give exact answers. Find the arc length. Give exact answers. 13. In the problem below, point P moves with angular velocity to on a circle ofradius r. Find the distance s traveled by the point in time t . Give exact answer. oi: 1t] radfsecm :3ft,t : 1min