[填空题]
A potter’s wheel is rotating around *d,rvl3vor d tex0hfe:o1:5 ba verticauzcr;iv*y zlp)(e;w- us:.bll axis 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 radius 8.0 cm, onto the cente.zl)cpis ;vy : *e-b;rl(uzwur of the rotating wheel. What is the frequency of the wheel after the clay sticks to it? $rev/s$