[填空题]
A sphere of radius 203sx 3-cvis uj/.0 cm and mass 1.80 kg stard hl(:s 2voi:su ro bxe*-n 81u7q9qqbts from rest and rolls without slippo*b9v 2:snuq ox8b-el r1qqus(i hd 7:ing down a 30.0 $^{\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?
Post time 2025-2-18 20:00:22
