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A sphere of radius 20.0 cm and mass 1.80 kg starts from rest and rolls without slipping down a 30.0o incline that is 10.0 m long.
(a) Calculate its translational and rotational speeds when it reaches the bottom.
(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 answer in (a) and (b) depend on the radius of the sphere or its mass? |
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