[填空题]
What is the angular mog ds2sd-mp0i4woujt +)c zf16mentum :qrz/j rv:8,p s+brxu0ck fw4 of a 0.210-kg ball rotating on the end of a thin string in a circle of radius 1.4bx s/f+80:vkpu,j z :c rrwqr10 m at an angular speed of 10.4 $rad/s$? $kg \cdot m^2$