The rate at which a body cools also depends on its exposed surface area S. If S is a constant, then a modification of (2), given in Section 3.1, is dr-ks(T-T. where k < 0 and T is a constant. Suppose that two cups A and B are filled with coffee at the same time. Initially, the temperature of the coffee is 160° F. The exposed surface area of the coffee in cup 8 is twice the surface area of the coffee in cup A. After 30 min the temperature of the coffee in cup A is 110° F. If T-80° F, then what is the temperature of the coffee in cup 8 after 30 min? (Round your answer to two decimal places.)
The rate at which a body cools also depends on its exposed surface area S. If S is a constant, then a modification of (2), given in Section 3.1, is dr-ks(T-T. where k < 0 and T is a constant. Suppose that two cups A and B are filled with coffee at the same time. Initially, the temperature of the coffee is 160° F. The exposed surface area of the coffee in cup 8 is twice the surface area of the coffee in cup A. After 30 min the temperature of the coffee in cup A is 110° F. If T-80° F, then what is the temperature of the coffee in cup 8 after 30 min? (Round your answer to two decimal places.)
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 33EQ
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