[填空题]
A grinding wheel is a uniform cylinder with a radicsw/lt 2*:6t91rqgnw :*j ;ts nwanoi6 *s- smezw7aat3xy v0/2ptonus of 8.50 cm and a mass of 0.580 kg. Cn3 / pa* zwv2y- 0emso7x6asttalculate (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
