[填空题]
A grinding wheel is a unisi1q0a zf,+)r p sw)yg8j;xhyform cylinder wity*x0np;.5nml vr7 ixd l;axk. h a radius of 8.50 cm and a mass of 0.580 kg. Calculat5nn 0l.;7rkdi pva*ml; yxx .xe (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
