[填空题]
A grinding wheel is a uniform cylinder with a2dkkwt5ems9i 1sd(ndc z8n(i7 tu0v 9 radius of 8.50 cm 9 )-a zni:n qs(om allrhn+8n4and a mass of 0.580 kg.+a4qzs rn ani 9o:(l)ln -mh8n 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
