Could someone please explain to me how to do this question? I just what to understand what to do.The question confuses me for some reason so I don't know how to begin...... Thank-you
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After revolution , the stone will be level with the centre of the wheel, so it will be cm above the ground.
Continue in the same way. At it will be at the top of the wheel, so it's ...? cm above the ground.
When you come to sketch the graph, you'll need to consider 2 complete revolutions of the wheel. You'll get a graph similar to the ones here.