[填空题]
(a) A grinding wheel 0.35 m in diametefw .fib ee;l98r rotates at 2500 rpm. Ca1j zhl)05*u)rjpj2f+q btppmlculate its angular velol)b uppr*2 htzq+50pm)j1j jf 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
