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

[填空题]
(a) What is the angusnds b t:,oz2n;bm/ a(*w6govlar momentumk)r; -ti vi.2cztw5nma i qq: czk0;d0 of a 2.8-kg uniform cylindrical grinding wheel of radius 18 cm when rotatzt-c5knqi m ;.)daq0rv tcki iz2;:0wing 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: