Answered: The surface area of the sphere is…

The surface area of the sphere is decreasing at the rate of 20 cm^2/sec when the radius is 15 cm. Calculate the rate of change of the radius Calculate the rate of change of the volume at this instant

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The surface area of the sphere is decreasing at the rate of 20 cm^2/sec when the radius is 15 cm.

Calculate the rate of change of the radius
Calculate the rate of change of the volume at this instant

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