[填空题]
A grinding wheel is a uniform cylinder with a radius of 8.50 cn 4ut6z oh6xf.o;k s7lm and a mass of ,hf2 q+x3t+ pax gfy.x0.580 ka, 3y+g2fqfx+ x.htxpg. 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
