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

[填空题]
(a) What is the angular momentum of a 2.8-kb9pboti,5uc,5)b : 1l hl herag ur ;totwavgyt uc/ 89uy754;q sniform cylindrical grinding wheel of radius 18 cm when rotating t9uuyvot;4cr58q;7gsyt a /wat 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: