[填空题]
(a) A grinding wheel 0iudh:w -lb4j 3nqa.1n;h* a2l fv o6tu.35 m3dfn;v1c2chcnz j/ v. in diameter rotates at 2500 rpm. Calculate its angular veloc3 d nvzj;nchc21.c/ vfity 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
