[填空题]
A grinding wheel is a uniform cylinder wj p72n fbner17hrct3. ith a radius of 8.50 u6;bom *4hw;i( uwnif cm and a mass of 0.580 kg. Calculatbw*i nwu;4mi( 6ouf;he (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
