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AP Physics 1
6.5 Rolling
6.1 Rotational Kinetic Energy
IntermediateMCQMathematicalConceptual15.4k
Three objects rolling with the same translational speed.
Three objects rolling with the same translational speed.
Three objects of the same mass \(M\) are rolling without slipping across a horizontal laboratory floor with the same constant translational speed \(v\). Object 1 is a thin hoop of radius \(R\), Object 2 is a solid cylinder of radius \(2R\), and Object 3 is a solid sphere of radius \(R\). Which of the following correctly ranks the rotational kinetic energy \(K_{rot}\) of the objects?

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