One January morning in 1943, a warm chinook wind rapidly raised the temperature in Spearfish, South Dakota from below freezing to +12.0°C. As the chinook died away, the temperature fell to -20.0°C in 27.0 minutes. Suppose a 18.4-m aluminum (a = 23x10-6 (Co)-¹) flagpole were subjected to the temperature change. Find the average speed at which its height would decrease, assuming the flagpole reacted instantaneously to the changing temperature.

College Physics
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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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One January morning in 1943, a warm chinook wind
rapidly raised the temperature in Spearfish, South
Dakota from below freezing to +12.0°C. As the
chinook died away, the temperature fell to -20.0°C in
27.0 minutes. Suppose a 18.4-m aluminum (a =
23x10-6 (Co)-¹) flagpole were subjected to the
temperature change. Find the average speed at
which its height would decrease, assuming the
flagpole reacted instantaneously to the changing
temperature.
Transcribed Image Text:One January morning in 1943, a warm chinook wind rapidly raised the temperature in Spearfish, South Dakota from below freezing to +12.0°C. As the chinook died away, the temperature fell to -20.0°C in 27.0 minutes. Suppose a 18.4-m aluminum (a = 23x10-6 (Co)-¹) flagpole were subjected to the temperature change. Find the average speed at which its height would decrease, assuming the flagpole reacted instantaneously to the changing temperature.
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