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anonymous
 5 years ago
Parametrize a disk of radius a which lies on the yz plane and is oriented clockwise when viewed from the positive xaxis.
anonymous
 5 years ago
Parametrize a disk of radius a which lies on the yz plane and is oriented clockwise when viewed from the positive xaxis.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I'm not too sure about what you mean by 'oriented clockwise'. I'm going to assume you mean that the position vector rotates clockwise when we view down along the positive xaxis. If the disk lies in the yz plane, with y horizontal and z vertical, then the position vector will be, \[(y,z)=({a}\cos({\theta}),{a}\sin({\theta}))=({a}\cos({\theta}),{a}\sin({\theta}))\]Setting

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\theta \rightarrow {\theta}\]will allow the position vector to rotate clockwise as you increase theta. I hope this is what you're looking for.
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