[填空题]
A grinding wheel is a unif/p)gyey 7lxd;+31fh ,intasi3tge:a fvg6 (aorm cyliy3 *pqrmt9p- khx)t:7k kndv6adbp (-nder with a radius of 8.50 cm and a mass of 0.580 kg.7d k:y qn(d3k pmp)akx-bh tr*6v-pt9 Calculate (a) its moment of inertia about its center, $\approx$ $kg \cdot m^2$ (b) the applied torque needed to accelerate it from rest to 1500 rpm in 5.00 s if it is known to slow down from 1500 rpm to rest in 55.0 s。 $m \cdot N$
Post time 2025-2-18 20:00:22
