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Suppose that, at a restaurant, you are served coffee

Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt ISBN: 9780321909107 29

Solution for problem 52E Chapter 16

Conceptual Physics | 12th Edition

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Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

Conceptual Physics | 12th Edition

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Problem 52E

Suppose that, at a restaurant, you are served coffee before you are ready to drink it. In order that it be hottest when you are ready for it, should you add cream to the coffee right away or wait until you are ready to drink it?

Step-by-Step Solution:
Step 1 of 3

Pour the cream right way.by doing this you lighten the colour of coffee.when coffee is block it is better radiation and will cool faster than when it is lighter in colour. Or The coffee by itself is very hot therefore cool down at a fast rate.if the cream is add right way,then temperature will drop initially but will then drop at a slower rate because coffee with the cream is cooler than the coffee alone.adding the cream is right way is like bonus,that will increase mass of contents of cup.a larger mass take longer time to cool down than a smaller one at the same temperature.hence cream should be added immediately.

Step 2 of 3

Chapter 16, Problem 52E is Solved
Step 3 of 3

Textbook: Conceptual Physics
Edition: 12
Author: Paul G. Hewitt
ISBN: 9780321909107

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Suppose that, at a restaurant, you are served coffee