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A thermometer, reading 5°C, is brought into a room whose temperature is 22°C. One minute later the hermometer reading is 12°C. 1. Which function representing the thermometer reading, T, at any given time t (in minutes) is correct? a. dT/dt = k(T - 22) b. dT/dt = -k(T - 22) c. dt/dT = k(T - 22) d. dt/dT = -k(T - 22)

A thermometer, reading 5°C, is brought into a room whose temperature is 22°C. One minute later the hermometer reading is 12°C. 1. Which function representing the thermometer reading, T, at any given time t (in minutes) is correct? a. dT/dt = k(T - 22) b. dT/dt = -k(T - 22) c. dt/dT = k(T - 22) d. dt/dT = -k(T - 22)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A thermometer, reading 5°C, is brought into a room whose temperature is 22°C. One minute later the thermometer reading is 12°C. 1. Which function representing the thermometer reading, T, at any given time t (in minutes) is correct? a. dT/dt = k(T - 22) b. dT/dt = -k(T - 22) c. dt/dT = k(T - 22) d. dt/dT = -k(T - 22)
Transcribed Image Text:A thermometer, reading 5°C, is brought into a room whose temperature is 22°C. One minute later the thermometer reading is 12°C. 1. Which function representing the thermometer reading, T, at any given time t (in minutes) is correct? a. dT/dt = k(T - 22) b. dT/dt = -k(T - 22) c. dt/dT = k(T - 22) d. dt/dT = -k(T - 22)
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