Related rates. A spherical snow ball is melting in the following way:at the instant when its radius is 12 cm, its radius is decreasing at the rate of5cm/hour. (a) Find the rate of change in the volume of the snowball at this instant.(b) Find the rate of change in the surface area of the snowball at this instant.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Related rates.

A spherical snow ball is melting in the following way:
at the instant when its radius is 12 cm, its radius is decreasing at the rate of
5cm/hour.


(a) Find the rate of change in the volume of the snowball at this instant.
(b) Find the rate of change in the surface area of the snowball at this instant.

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