1. Assume that the rate at which a hot body cools is proportional to the difference in temperature between it and its surroundings (Newton's law of cooling). A body is heated to 100°C and placed in air at 10°C. After 1 hour its temperature is 60°C. How much additional time is required for it to cool to 30°C?

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1. Assume that the rate at which a hot body cools is proportional to the
difference in temperature between it and its surroundings (Newton's law
of cooling). A body is heated to 100°C and placed in air at 10°C. After
1 hour its temperature is 60°C. How much additional time is required for
it to cool to 30°C?
Transcribed Image Text:1. Assume that the rate at which a hot body cools is proportional to the difference in temperature between it and its surroundings (Newton's law of cooling). A body is heated to 100°C and placed in air at 10°C. After 1 hour its temperature is 60°C. How much additional time is required for it to cool to 30°C?
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