[填空题]
A grinding wheel is a uniform cylinder (+ju cc+3n5yjia1u tu with a radius of:j8 za0/jvd)xe 9v0 m xahxtt/ 8.50 cm and a mass of 0.580 kg. Calcu/a dze0vh vmx8t 0ta/)xx9jj:late (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
