A cup of hot chocolate has temperature 80C in a room kept at 20C. After half an

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A cup of hot chocolate has temperature 80°C in a room kept at 20°C. After half an hour the hot chocolate cools to 60°C.
(a) What is the temperature of the chocolate after another half hour?
(b) When will the chocolate have cooled to 40°C?

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Calculus Early Transcendentals

ISBN: 978-1285741550

8th edition

Authors: James Stewart

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Question Posted: Feb 26, 2019 10:08 AM

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A cup of hot chocolate has temperature 80C in a room kept at 20C. After half an

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Calculus Early Transcendentals

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