A circular patch of oil on the surface of some water has radius r and the radius
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A circular patch of oil on the surface of some water has radius r and the radius increases over time at a rate inversely proportional to the radius. Write down a differential equation relating r and t, where t is the time which has elapsed since the start of the observation.
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Related Book For
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
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