[填空题]
A grinding wheel is a1c3xp7 3lml7 om eyal7s xw;z+ uniform cylinder with a radius of 8.50 cm and a mass of 0. c7 l ;lys3wo p13m7aze7lmx+xoujan6d hh+- /580 kg. Cal6+ -nhjd ha/uoculate (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
