[填空题]
A grinding wheel is a uniform cylinder with a radius of 8pg9 dv+ry j18z.50 cm an0px5xf g0r)3kx7gz)p xcse5i d a mass of 0.580 kg. Calcu 0x i 0rx5s)c3p kpz7gxex)gf5late (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
