gc textbook chapter 8 Rotational Motion (id: 52fdbbe8e)

[填空题]
(a) A grinding wheel 0.3 ko dp8 t,(fzjov/,xa+l jc(v+kxq,+b5 m in diamet 1u1u ju7 w-fty8lj2 * l)5db8kcfommner rotates at 2500 rpm. Calculate its angular velocn8c5tkbdml2l m1u wf17 u8 *uofy) -jjity in $rad/s$ $\omega$ =    $rad/sec$
(b) What are the linear speed and acceleration of a point on the edge of the grinding wheel? v =    $m/s$ $a_R$ =    $ m/s^2$

参考答案:
空格1: 261.8±2%  空格2: 46±2%  空格3: 12000±2% 


本题详细解析: