[填空题]
A grinding wheel is a 63zi n i/wk0apu*eryqk ;3hx4shc4rvb:(bttnub f.l/tvne. ch 5 131uniform cylinder with a radius of 8.50 cm and a mass of 0. v4tl b (.t c3nrne/ 11b.cfbth5suv:h580 kg. Calculate (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
