You are working as a land surveyor in Upington and decided to BUY a plot of land for yourself. You now measure the physical distance between two outer points on the plot with a steel tape on a day when the temperature is almost 45 degrees Celsius. You measure a distance of exactly 1000 m on this day with the steel measuring tape(a=1.2x105/K). You now decided to verify your data (i.e. the 1000 m distance) a month later when the temperature was now only 5 degrees Celsius using the same steel tape. a) Why do you think the steel tape will give a controversial answer in the cold weather? b) Explain (using words and a calculation) whether you expect to find a distance of more than 1000 m or less than 1000 m between the 2 poles at 5 degrees celsius. Maximum number of characters (including HTML tags added by text editor): 32.000 Show Rich-Text Editor (and character count)

You are working as a land surveyor in Upington and decided to BUY a plot of land for yourself. You now measure the physical distance between two outer points on the plot with a steel tape on a day when the temperature is almost 45 degrees Celsius. You measure a distance of exactly 1000 m on this day with the steel measuring tape(a=1.2x105/K). You now decided to verify your data (i.e. the 1000 m distance) a month later when the temperature was now only 5 degrees Celsius using the same steel tape. a) Why do you think the steel tape will give a controversial answer in the cold weather? b) Explain (using words and a calculation) whether you expect to find a distance of more than 1000 m or less than 1000 m between the 2 poles at 5 degrees celsius. Maximum number of characters (including HTML tags added by text editor): 32.000 Show Rich-Text Editor (and character count)

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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Concept explainers

Energy transfer

The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.

Molar Specific Heat

Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1)

Thermal Properties of Matter

Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which is transferred between the two systems or in between the systems and their surrounding by the virtue of difference in temperature. Calorimetry is that branch of science which helps in measuring the changes which are taking place in the heat energy of a given body.

Question

You are working as a land surveyor in Upington and decided to BUY a plot of land for yourself. You now measure the physical distance between two
outer points on the plot with a steel tape on a day when the temperature is almost 45 degrees Celsius. You measure a distance of exactly 1000 m on
this day with the steel measuring tape(a=1.2x10/K). You now decided to verify your data (i.e. the 1000 m distance) a month later when the
temperature was now only 5 degrees Celsius using the same steel tape.
a) Why do you think the steel tape will give a controversial answer in the cold weather?
b) Explain (using words and a calculation) whether you expect to find a distance of more than 1000 m or less than 1000 m between the 2 poles at 5
degrees celsius.
Maximum number of characters (including HTML tags added by text editor): 32,000
Show Rich-Text Editor (and character count)
12:55
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20°C Mostly sunny
ENG
2021/10/29
DELL

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