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

[填空题]
(a) What is the angular momentum of a 2.8-kg uniforw cihr5x2g1-p b cem 1ylv0pc17m28cfm cyav,izk)il-2rg6bb .i lindrical grinding wheel of radius 18 cm when rotatin z-6 r .)ib2bglvkia,ig 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: