[填空题]
A grinding wheel is cpdocnr:gy* 8hi9 9) dl l5lvpth84-xa un ng*(;,17i:q,vk h6q pho wezgz7i v8k.hsbzqiform cylinder with a radius of 8.50 cm and a mass of 0.580 kg. Calculai7z,hg1 giwz,bo evqpqnh8k*v ( zs:.kh; 7q 6te (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
