A hot anvil with cooling constant k = 0.02 s 1 is submerged in a large pool

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A hot anvil with cooling constant k = 0.02 s−1 is submerged in a large pool of water whose temperature is 10°C. Let y(t) be the anvil’s temperature t seconds later.

(a) What is the differential equation satisfied by y(t)?

(b) Find a formula for y(t), assuming the object’s initial temperature is 100°C.

(c) How long does it take the object to cool down to 20°?

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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