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

[填空题]
(a) A grinding wheel 0.35l aw w6q0bllxb rq;4pbn g,)48 m +/thl x mm7fs+gqvj*yx3-1vq in diameter rotates at 2500 rpm. Calculate its angularvjxt q mv3+ fm-1hy/+sgqx7* l velocity 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: