[填空题]
A grinding wheel is a uniform cylinder with a radius of 8 ga 6xe5 (s ylbddb 1kx/3vry+0jgy.3y.5 c/v4 7yy5g ;siidhil6rb-8py 0 cm and a mass of 0.580 kg. Calcul64ysy;d vpgy-i/b5cr ii8 h7late (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
