Temperature At time t = 0 minutes, the temperature of an object is 140°F. The temperature of the object is changing at the rate given by the differential equation dy 1 dt 2 (y-72)

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.3: Euler's Method
Problem 22E
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Differential Equation

Analytical solution for the differential equation that is enclosed in the black lines and how to arrive at the one that is enclosed in the red lines step by step.

Temperature At time t = 0 minutes, the temperature of an object is 140°F. The temperature
of the object is changing at the rate given by the differential equation
(y-72)
dy
dt
1
2
(a) Use a graphing utility and Euler's Method to approximate the particular solutions of this
differential equation at t = 1, 2, and 3. Use a step size of h = 0.1. (A graphing utility
program for Euler's Method is available at LarsonCalculus.com.)
(b) Compare your results with the exact solution y = 72 +68e-¹/2
(c) Repeat parts (a) and (b) using a step size of h = 0.05 Compare the results
Transcribed Image Text:Temperature At time t = 0 minutes, the temperature of an object is 140°F. The temperature of the object is changing at the rate given by the differential equation (y-72) dy dt 1 2 (a) Use a graphing utility and Euler's Method to approximate the particular solutions of this differential equation at t = 1, 2, and 3. Use a step size of h = 0.1. (A graphing utility program for Euler's Method is available at LarsonCalculus.com.) (b) Compare your results with the exact solution y = 72 +68e-¹/2 (c) Repeat parts (a) and (b) using a step size of h = 0.05 Compare the results
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