[填空题]
A potter’s wheel is rotd,u6 ii6jlnj3sblm*(;5lk 3 yi -6y v upg,j;r1ihlxlating around a vertical axis through its center at a frequency of 1.5rev/s The wheel can be considered a uniform disk of m yx*vgj 1lh i6(li;lbr3um; -lps 5,kyass 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 to it? $rev/s$
