Answered: Suppose you have two meter sticks, one…

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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Suppose you have two meter sticks, one made of steel and one made of invar (an alloy of iron and nickel), which are the same length (1.00 m) at 0°C. The coefficients of volume expansion for steel and invar are 3.6 × 10^-5 /°C and 2.7 × 10^-6 /°C respectively.

apparently, you need to use the volume expansion formula below & have B=3a. have no idea how to turn the length into a volume for this problem. have no idea what value alpha is...

THERMAL EXPANSION IN THREE DIMENSIONS
The relationship between volume and temperature
AP
is given by
dV = BV, where B is the coefficient
dT
of volume expansion. As you can show in Exercise 1.60, B= 3a. This equation is usually written as
%3D
AV = BVAT.
1.4
Note that the values of B in Table 1.2 are equal to 3a except for rounding.

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What is their difference in length, in meters, at 21.5°C ?

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