[填空题]
(a) A grinding wheel 0.n z1z.rfu)k 0ai3d0ul ow /m*w35 m in diameter rotates at j.gm 5ytj:y5ebd h.1w2500 rpm. Calculate its angular velocity in 5b.5y hg.jy w1:dtmje$rad/s$ $\omega$ = $rad/sec$ (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
