Home/Basic Physics/Rotation/Rotational kinetic energy8. RotationRotational kinetic energyIn 8. RotationFormulaCopy LaTeXKrot=12Iω2K_{\text{rot}}=\frac12I\omega^2Krot=21Iω2Tagsenergyphysicsphysics formularotationDetailKinetic energy associated with rotation, equal to one-half Iω².Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedMoment of inertia — particlesI=∑imiri2I=\sum_i m_ir_i^2I=i∑miri2Open formulaOpen in sectionRelatedKinetic energyK=12mv2K=\frac12mv^2K=21mv2Open formulaOpen in sectionRelatedRolling without slippingvCM=Rωv_{\text{CM}}=R\omegavCM=RωOpen formulaOpen in section