5th Edition

ISBN: 9780135962176

Author: Edwards

Publisher: PEARSON CO

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Textbook Question

Chapter 1.4, Problem 51P

An accident at a nuclear power plant has left the surrounding area polluted with radioactive material that decays naturally. The initial amount of radioactive material present is 15 su (safe units), and 5 months later it is still 10 su.

(a) Write a formula giving the amount A (t ) of radioactive material (in su) remaining after t months.

(b) What amount of radioactive material will remain after 8 months?

(c) How longâ€”total number of months or fraction thereof will it be until A = 1 su . so it is safe for people to return to the area?

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Chapter 1.4, Problem 50P

Chapter 1.4, Problem 52P

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Chapter 1 Solutions

EP DIFFERENTIAL EQUATIONS+..-MYLAB ACCE

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Prob. 10P Ch. 1.3 - Prob. 11P Ch. 1.3 - Prob. 12P Ch. 1.3 - Prob. 13P Ch. 1.3 - Prob. 14P Ch. 1.3 - Prob. 15P Ch. 1.3 - Prob. 16P Ch. 1.3 - Prob. 17P Ch. 1.3 - Prob. 18P Ch. 1.3 - Prob. 19P Ch. 1.3 - Prob. 20P Ch. 1.3 - Prob. 21P Ch. 1.3 - Prob. 22P Ch. 1.3 - Prob. 23P Ch. 1.3 - Prob. 24P Ch. 1.3 - Prob. 25P Ch. 1.3 - Prob. 26P Ch. 1.3 - Prob. 27P Ch. 1.3 - Prob. 28P Ch. 1.3 - Verify that if c is a constant, then the function...Ch. 1.3 - Prob. 30P Ch. 1.3 - Prob. 31P Ch. 1.3 - Prob. 32P Ch. 1.3 - Prob. 33P Ch. 1.3 - (a) Use the direction field of Problem 5 to...Ch. 1.3 - Prob. 35P Ch. 1.4 - Prob. 1P Ch. 1.4 - Prob. 2P Ch. 1.4 - Prob. 3P Ch. 1.4 - Prob. 4P Ch. 1.4 - Prob. 5P Ch. 1.4 - Prob. 6P Ch. 1.4 - Prob. 7P Ch. 1.4 - Prob. 8P Ch. 1.4 - Prob. 9P Ch. 1.4 - Prob. 10P Ch. 1.4 - Prob. 11P Ch. 1.4 - Prob. 12P Ch. 1.4 - Prob. 13P Ch. 1.4 - Prob. 14P Ch. 1.4 - Prob. 15P Ch. 1.4 - Prob. 16P Ch. 1.4 - Prob. 17P Ch. 1.4 - Prob. 18P Ch. 1.4 - Prob. 19P Ch. 1.4 - Prob. 20P Ch. 1.4 - Prob. 21P Ch. 1.4 - Prob. 22P Ch. 1.4 - Prob. 23P Ch. 1.4 - Prob. 24P Ch. 1.4 - Prob. 25P Ch. 1.4 - Prob. 26P Ch. 1.4 - Prob. 27P Ch. 1.4 - Prob. 28P Ch. 1.4 - Prob. 29P Ch. 1.4 - Prob. 30P Ch. 1.4 - Prob. 31P Ch. 1.4 - Prob. 32P Ch. 1.4 - (Population growth) A certain city had a...Ch. 1.4 - Prob. 34P Ch. 1.4 - Prob. 35P Ch. 1.4 - (Radiocarbon dating) Carbon taken from a purported...Ch. 1.4 - Prob. 37P Ch. 1.4 - (Continuously compounded interest) Suppose that...Ch. 1.4 - Prob. 39P Ch. 1.4 - Prob. 40P Ch. 1.4 - Prob. 41P Ch. 1.4 - Prob. 42P Ch. 1.4 - Prob. 43P Ch. 1.4 - Prob. 44P Ch. 1.4 - Prob. 45P Ch. 1.4 - Prob. 46P Ch. 1.4 - Prob. 47P Ch. 1.4 - Prob. 48P Ch. 1.4 - Prob. 49P Ch. 1.4 - The amount A (t ) of atmospheric pollutants in a...Ch. 1.4 - An accident at a nuclear power plant has left the...Ch. 1.4 - Prob. 52P Ch. 1.4 - Prob. 53P Ch. 1.4 - Prob. 54P Ch. 1.4 - Prob. 55P Ch. 1.4 - Prob. 56P Ch. 1.4 - Prob. 57P Ch. 1.4 - Prob. 58P Ch. 1.4 - Prob. 59P Ch. 1.4 - Prob. 60P Ch. 1.4 - A spherical tank of radius 4 ft is full of water...Ch. 1.4 - Prob. 62P Ch. 1.4 - Prob. 63P Ch. 1.4 - (The clepsydra, or water clock) A 12 h water clock...Ch. 1.4 - Prob. 65P Ch. 1.4 - Prob. 66P Ch. 1.4 - Prob. 67P Ch. 1.4 - Figure 1.4.11 shows a bead sliding down a...Ch. 1.4 - Prob. 69P Ch. 1.5 - Prob. 1P Ch. 1.5 - Prob. 2P Ch. 1.5 - Prob. 3P Ch. 1.5 - Prob. 4P Ch. 1.5 - Prob. 5P Ch. 1.5 - Prob. 6P Ch. 1.5 - Prob. 7P Ch. 1.5 - Prob. 8P Ch. 1.5 - Prob. 9P Ch. 1.5 - Prob. 10P Ch. 1.5 - Prob. 11P Ch. 1.5 - Prob. 12P Ch. 1.5 - Prob. 13P Ch. 1.5 - Prob. 14P Ch. 1.5 - Prob. 15P Ch. 1.5 - Prob. 16P Ch. 1.5 - Prob. 17P Ch. 1.5 - Prob. 18P Ch. 1.5 - Prob. 19P Ch. 1.5 - Prob. 20P Ch. 1.5 - Prob. 21P Ch. 1.5 - Prob. 22P Ch. 1.5 - Prob. 23P Ch. 1.5 - Prob. 24P Ch. 1.5 - Prob. 25P Ch. 1.5 - Prob. 26P Ch. 1.5 - Prob. 27P Ch. 1.5 - Prob. 28P Ch. 1.5 - Prob. 29P Ch. 1.5 - Prob. 30P Ch. 1.5 - Prob. 31P Ch. 1.5 - Prob. 32P Ch. 1.5 - Prob. 33P Ch. 1.5 - Prob. 34P Ch. 1.5 - Prob. 35P Ch. 1.5 - Prob. 36P Ch. 1.5 - Prob. 37P Ch. 1.5 - Prob. 38P Ch. 1.5 - Prob. 39P Ch. 1.5 - Prob. 40P Ch. 1.5 - Prob. 41P Ch. 1.5 - Prob. 42P Ch. 1.5 - Figure 1.5.7 shows a slope field and typical...Ch. 1.5 - Prob. 44P Ch. 1.5 - Prob. 45P Ch. 1.5 - Prob. 46P Ch. 1.6 - Prob. 1P Ch. 1.6 - Prob. 2P Ch. 1.6 - Prob. 3P Ch. 1.6 - Prob. 4P Ch. 1.6 - Prob. 5P Ch. 1.6 - Prob. 6P Ch. 1.6 - Prob. 7P Ch. 1.6 - Prob. 8P Ch. 1.6 - Prob. 9P Ch. 1.6 - Prob. 10P Ch. 1.6 - Prob. 11P Ch. 1.6 - Prob. 12P Ch. 1.6 - Prob. 13P Ch. 1.6 - Prob. 14P Ch. 1.6 - Prob. 15P Ch. 1.6 - Prob. 16P Ch. 1.6 - Prob. 17P Ch. 1.6 - Prob. 18P Ch. 1.6 - Prob. 19P Ch. 1.6 - Prob. 20P Ch. 1.6 - Prob. 21P Ch. 1.6 - Prob. 22P Ch. 1.6 - Prob. 23P Ch. 1.6 - Prob. 24P Ch. 1.6 - Prob. 25P Ch. 1.6 - Prob. 26P Ch. 1.6 - Prob. 27P Ch. 1.6 - Prob. 28P Ch. 1.6 - Prob. 29P Ch. 1.6 - Prob. 30P Ch. 1.6 - Prob. 31P Ch. 1.6 - Prob. 32P Ch. 1.6 - Prob. 33P Ch. 1.6 - Prob. 34P Ch. 1.6 - Prob. 35P Ch. 1.6 - Prob. 36P Ch. 1.6 - Prob. 37P Ch. 1.6 - Prob. 38P Ch. 1.6 - Prob. 39P Ch. 1.6 - Prob. 40P Ch. 1.6 - Prob. 41P Ch. 1.6 - Prob. 42P Ch. 1.6 - 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