[填空题]
A sphere of radius 20.0jeq zf/b5qrhx.0 virz 03d 8n. cm and mass 1.80 kg sdu ik2 o bzpnxix2(6*;k 9wbknq3v x.4tarts from rest and rolls without slipping down a 30.0db( nbx;ik x3z9upw4iq2nk*. 6xovk2 $^{\circ} $ incline that is 10.0 m long. (a) Calculate its translational and rotational speeds when it reaches the bottom. $v_{CM}$ = $\omega$ = $rad/s$ (b) What is the ratio of translational to rotational KE at the bottom? Avoid putting in numbers until the end so you can answer: (c) do your answers in (a) and (b) depend on the radius of the sphere or its mass?
Post time 2025-2-18 20:00:22
