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

[填空题]
(a) A grinding wheel xxt4l/iky9+gb: l 2l9wh 4xax 0.35 m in diameter rotates atcy1vr76v8+nyhe,ha;j vgt t1 2500 rpm. Calculate its angular velocity in 1;ch8tv+yvyjht1 76, aevgr 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: