[填空题]
A potter’s wheel is rotating around a vb58w3q u ylb)a9bthu i9ya 5k:ertical axis throughpc.l)3(g is zbl462xjobw2 jt a n98hd 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 ccd3. )wib b g9plh24on6z (ajxt8 jsl2lay, 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 after the clay sticks to it? $rev/s$