[填空题]
A grinding wheel is a vk b fv3sezen5 9;(9h i05fzexuniform cylinder with a radius of 8.50 cm and a mas5grk) +hbm.atmh 1u s2s of 0.580 kg. Calculatutakbm1r .m 25hg+)she (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
