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

[填空题]
(a) A grinding wheel 0 9zz7mzmr3ef ek- h9.d.35 m /w rld 3* eqygbukcj0b+g ;;9lin diameter rotates at 2500 rpm. Calculate its angular velodrq/;bukgy;b jc9* 0 lwg+3 lecity 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: