[填空题]
(a) A grinding wheel6 ik+p55r z,xfg:cl mw 0.35 m in diameter rv a sk+s:hkf4lxoi/x+i zs).;otates at 2500 rpm. Calculate its angular velo4is:k/+ a vkhis+sx )oz .flx;city 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$
Post time 2025-2-18 20:00:22
