A pendulum is made of a rod of length L andnegligible mass, but capable of thermal expansion, anda weight of negligible size. (a) Show that when thetemperature increases by dT, the period of the pendulumincreases by a fraction αLdT/2 . (b) A clock controlledby a brass pendulum keeps time correctly at 10 °C . If theroom temperature is 30 °C , does the clock run faster orslower? What is its error in seconds per day?
A pendulum is made of a rod of length L andnegligible mass, but capable of thermal expansion, anda weight of negligible size. (a) Show that when thetemperature increases by dT, the period of the pendulumincreases by a fraction αLdT/2 . (b) A clock controlledby a brass pendulum keeps time correctly at 10 °C . If theroom temperature is 30 °C , does the clock run faster orslower? What is its error in seconds per day?
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 pendulum is made of a rod of length L and
negligible mass, but capable of thermal expansion, and
a weight of negligible size. (a) Show that when the
temperature increases by dT, the period of the pendulum
increases by a fraction αLdT/2 . (b) A clock controlled
by a brass pendulum keeps time correctly at 10 °C . If the
room temperature is 30 °C , does the clock run faster or
slower? What is its error in seconds per day?
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