A circular disc of radius 3 cm is being heated. Due to expansion, its radius increases at a rate of 0.05 cm per second. Find the rate at which its area is increasing if the radius is 3.2 cm.

Mathematics For Machine Technology
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Author:Peterson, John.
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Chapter65: Achievement Review—section Six
Section: Chapter Questions
Problem 42AR: Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places...
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A circular disc of radius 3 cm is being heated. Due to expansion, its radius increases at a rate of
0.05 cm per second. Find the rate at which its area is increasing if the radius is 3.2 cm.
Transcribed Image Text:A circular disc of radius 3 cm is being heated. Due to expansion, its radius increases at a rate of 0.05 cm per second. Find the rate at which its area is increasing if the radius is 3.2 cm.
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