[填空题]
A potter’s wheel is rotating around a vertical axis throvh ;n c/9g.zvjiy1;m*p)rb ugugh its center at a fre /me vsl9b+vn+quency of 1.5rev/s The wheel can be considered a uniform disk of mass 5.0 kg and diameter 0.40 m. The potter then throws a 3.1-kg chunk of clay, approximately shaped as a flat disk of radius 8.0 cm, onto the center of the rotating wheel. What is the frequency of the wheel aft+ev b/sl 9m+vner the clay sticks to it? $rev/s$