[填空题]
A potter’s wheel is rotating,qs law6 hl wv/6giln (-urxngg .f:1 n2fv(9s around a vertical axis thro.rpc5: ;ytwnf)v. o3dxor 2vnugh 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 center of the rotating wheel. What is the frequency of the wheel after the clay sticks t2 5r) vpny;:dnrt.vofw o.cx3 o it? $rev/s$