[填空题]
A grinding wheel is a uniform cylindg djqj .t w mdi+kjx19c*v:-i0er with a radius of 8.50 cm and hs+8;fg,8nics qlakpnx4 uhacwm7qt ;+/7)ba mass of 0.580 kg. Calcl7;qb 4ca s8mfi8c /s;,) +nhq pu+7ngt hawkxulate (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
