[填空题]
A grinding wheel is a uniform ch i6+ jomw odhaf+ 350v/b14rdbos-eyylinder with a radius of 8.50 cm and a mayn+1)- tl- hftlb; kdh)j)nikss of 0.580 kg.y-hn+lit -lj kb tn1h)d; kf)) 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
