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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. 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) Which of the following gives the temperature decay constant k? a. -0.531 b. 17 C. 0.531 d. -17 How long, in minutes, does it take until the reading is about 21.9°C? a. 10.3 b. 9.67 C. 9.31 d. 8.43

A thermometer, reading 5°C, is brought into a room whose temperature is 22°C. One minute later the thermometer reading is 12°C. 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) Which of the following gives the temperature decay constant k? a. -0.531 b. 17 C. 0.531 d. -17 How long, in minutes, does it take until the reading is about 21.9°C? a. 10.3 b. 9.67 C. 9.31 d. 8.43

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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. Which function representing the thermometer reading, T, at any given timet (in minutes) is correct? a. dT/dt = k(T - 22) b. aT/dt = -k(T - 22) c. dt/dT = k(T - 22) d. dt/dT = -k(T - 22) %3D Which of the following gives the temperature decay constant k? a. -0.531 b. 17 C. 0.531 d. -17 How long, in minutes, does it take until the reading is about 21.9°C? a. 10.3 b. 9.67 c. 9.31 d. 8.43
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. Which function representing the thermometer reading, T, at any given timet (in minutes) is correct? a. dT/dt = k(T - 22) b. aT/dt = -k(T - 22) c. dt/dT = k(T - 22) d. dt/dT = -k(T - 22) %3D Which of the following gives the temperature decay constant k? a. -0.531 b. 17 C. 0.531 d. -17 How long, in minutes, does it take until the reading is about 21.9°C? a. 10.3 b. 9.67 c. 9.31 d. 8.43
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