[填空题]
(a) A grinding wheel 0.35 m in k+wme 8 kvf85bdiameter rotates at 2500 rpm. Calculat:b5mv/2m cb pce its angular velocity in m2:vb5c/ p mcb$rad/s$ $\omega$ = $rad/sec$ (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$