[填空题]
(a) What is the angular momentum of a 2.8-kg uniforn f3g-8anyoz0; a 6nrgm cylindrical 8nk yb g4ip*nf 75s(lzgrinding wheel of radius 18kz7*inl5n84 p(yb s gf cm when rotating at 1500 rpm? $kg \cdot m^2$ (b) How much torque is required to stop it in 6.0 s? $m \cdot N$
Post time 2025-2-18 20:00:22
