[填空题]
A sphere of radius 20.0 cm and mass 1.80 kg fki)f89a1m8u0 iefg rg*xq5j5 1tb pwstartp 9azbv s1zwv/a78 3kp v1fy3ts from rest and rolls without slipavv78w1pf/s31vay9 z3pb kz tping 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
