[填空题]
A grinding wheel is a uniforq)2,g foya i-xm cylinder with a radius of 8.50 cm and a mass of 0gji* yk g u8dd,f b89ace..c;v.580 kg. C.uggy,;e *id8a. cdj8bvkc9 falculate (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
