[填空题]
A grinding wheel is a uniform cylinder with a radius of 8.50 cm and a*5uya,;os4j 9oialfq)6 qqgk 6lsinh*8y ,pc7wqj- 0exmf ,scq+ 6d w mass of 0.580 kg. Cal*f x 7p -nc m8,q lsqd+,swwe06hiyjc6culate (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
