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

[填空题]
(a) A grinding wheel9jbu. :ng(zqq 0.35 m in dia1xvdw( gny y9.meter rotates at 2500 rpm. Calculate its angular velocity iyxwv1dg 9.(yn n $rad/s$ $\omega$ =    $rad/sec$
(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: