[填空题]
A grinding wheel is a uniform cylinder /z-nqucwjeo ri 4kt +o)w. p*4er+7sdd;l/duj 8/ a qlwith a radius of 8.50 cm and a mass of 0.580 kg. Call/daue dj 8q;ld7r +s/culate (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
