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AP Physics C: Mechanics
3.4 Conservation of Energy
3.3 Potential Energy
IntermediateMCQMathematical13.5k
A uniform cord of length \(L\) hanging symmetrically over a frictionless peg.
A uniform cord of length \(L\) hanging symmetrically over a frictionless peg.
A flexible, uniform cord of mass \(M\) and length \(L\) hangs symmetrically at rest over a small frictionless peg, with equal lengths of \(\dfrac{L}{2}\) hanging vertically on each side. The cord is given an infinitesimal nudge and begins to slide off the peg. In terms of \(g\) and \(L\), what is the speed of the cord at the instant its trailing end completely leaves the peg?

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