[填空题]
A grinding wheel is a uniform cylinder with a radius ooy*x0ta)xzfi h za::gdym q 8225o .qif 8.50 cm and a mass of 0.08) x5x zd qa oy*tyh.qi:mo22z aif:g8b 6e8awlo. dl580 .lo8 be6 8ldwakg. 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
