A ring and a disc roll down an inclined plane through the same he… - Vidyadip

Question

A ring and a disc roll down an inclined plane through the same height. Compare their speeds at the bottom of the plane.

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Answer

In the usual notation, $\frac{v_{\text {disc }}}{v_{\text {ring }}}=\frac{\sqrt{(4 / 3)} g^h}{\sqrt{g^h}}=\sqrt{\frac{4}{3}}$

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