[填空题]
Suppose a 55-kg person stands at thew-y di584naw0o bb0p2)0o l1tufmrdh edge of a 6.5-m diameter merry-go-rpvtf)l4rj 8+*bsiz -v ound turntir + fjvzb *s8vltp-)4able that is mounted on frictionless bearings and has a moment of inertia of 1700 $kg \cdot m^2$ The turntable is at rest initially, but when the person begins running at a speed of 3.8 $m/s$ (with respect to the turntable) around its edge, the turntable begins to rotate in the opposite direction. Calculate the angular velocity of the turntable. $rad/s$