[填空题]
A sphere of radius 20.0 cm an 5zh1*av7,kcf dbj iy6d manex-)1fz e r(rv;v/lrss 1.80 kg starts from rest and rolls without slipping down a 30x -z)nr/ere(rfvv ;l 1.0 $^{\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?