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

[填空题]
(a) What is the angular momcg (z)f+g0( ttdl+r+tn zrv5* nhu vi/entum 6s/u,rqdbuow bn1dfo- m 72r7 of a 2.8-kg uniform cylindrical grinding wheel of radius 18 cm w,7 ors ubdo wnb2q-r17udm6f/ hen 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: