gc textbook chapter 8 Rotational Motion (id: 02710fc94)

admin

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[填空题]
(a) What is the angular momentumgf2.z, )nomi p dw)jm2dv 2yypo,*nsg aq)cg7qj ;a3/of a 2.8-kg uniform cylindrical grinding wheel of radius mgdyoj) q yq2gp/j*3d s 7acw)a2,vn; 18 cm when rotating at 1500 rpm?    $kg \cdot m^2$
(b) How much torque is required to stop it in 6.0 s?    $m \cdot N$

参考答案:
空格1: 7.1±2%  空格2: -1.2±2% 


本题详细解析: