(a) If A is the area of a circle with radius r and the circle expands as time passes, find dA/dt in terms of dr/dt.(b) Suppose oil spills from a ruptured tanker and spreads in a circular pattern. If the radius of the oil spill increases at a constant rate of 1 m/s, how fast is the area of the spill increasing when the radius is 30 m?

(a) If A is the area of a circle with radius r and the circle expands as time passes, find dA/dt in terms of dr/dt.(b) Suppose oil spills from a ruptured tanker and spreads in a circular pattern. If the radius of the oil spill increases at a constant rate of 1 m/s, how fast is the area of the spill increasing when the radius is 30 m?

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter9: Instrumentation In Blood Circulation

Section: Chapter Questions

Problem 8P

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