A solid cylinder of mass M rolls from rest without slipping down an incline of vertical height h. Find its centre-of-mass speed at the bottom.
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A solid cylinder of mass M rolls from rest without slipping down an incline of vertical height h. Find its centre-of-mass speed at the bottom.

G1 Physics · Accepted Answer

Step 1: Conservation of energy gives Mgh=½Mv²+½(½MR²)(v²/R²)=(3/4)Mv². Step 2: Thus v=√(4gh/3). Final answer: C — √(4gh/3).