[填空题]
A potter’s wheel is rotating around a vertical ab17gxk0t,);z1l ajsk9r6y f3tbjh oov l gg-+xi/ bm/ tqe:ds5fs through its center at a frequency 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 ratf/q/dse: 5mb dius 8.0 cm, onto the center of the rotating wheel. What is the frequency of the wheel after the clay sticks to it? $rev/s$