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Why does it make more sense to provide relative errors, such as: δν δm δρ 2 V m P instead of absolute errors: SV, 8m, Sp? Before you answer, think of a measurement of your height with an error of 10 cm and a measurement of the distance from New York to Los Angeles with the same error. What can you say about the absolute and relative errors for these measurements? Which one is more accurate?

Why does it make more sense to provide relative errors, such as: δν δm δρ 2 V m P instead of absolute errors: SV, 8m, Sp? Before you answer, think of a measurement of your height with an error of 10 cm and a measurement of the distance from New York to Los Angeles with the same error. What can you say about the absolute and relative errors for these measurements? Which one is more accurate?

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter1: Introduction: The Nature Of Science And Physics
Section: Chapter Questions
Problem 20PE: (a) A person's blood pressure is measured to be 1202 mm Hg. What is its percent uncertainty? (b)...
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Please help me with this question

It was from a Lab that we have to understand but im unsure how to answer this. 

With Ruler: Sample Height, (cm) 1.short 1.5 2.long 5 H 1.long 5.004 object 2.short 1.512 object Diameter, (cm) H 2.5 1.2 With Vernier Caliper: Sample Height, (cm) Diameter, (cm) 1.27 D 2.54 D Table A Error in Height, SH H 3.33% 1% Table B Error in Height, SH H .0999 x 100% .3306 x 100% Error in Diameter, 2% SD D 4.2% Error in Diameter, SD D .3937 X 100% .1969 x 100%
Transcribed Image Text:With Ruler: Sample Height, (cm) 1.short 1.5 2.long 5 H 1.long 5.004 object 2.short 1.512 object Diameter, (cm) H 2.5 1.2 With Vernier Caliper: Sample Height, (cm) Diameter, (cm) 1.27 D 2.54 D Table A Error in Height, SH H 3.33% 1% Table B Error in Height, SH H .0999 x 100% .3306 x 100% Error in Diameter, 2% SD D 4.2% Error in Diameter, SD D .3937 X 100% .1969 x 100%
δν δm δρ m P Why does it make more sense to provide relative errors, such as: instead of absolute errors: SV, Sm, Sp? Before you answer, think of a measurement of your height with an error of 10 cm and a measurement of the distance from New York to Los Angeles with the same error. What can you say about the absolute and relative errors for these measurements? Which one is more accurate?
Transcribed Image Text:δν δm δρ m P Why does it make more sense to provide relative errors, such as: instead of absolute errors: SV, Sm, Sp? Before you answer, think of a measurement of your height with an error of 10 cm and a measurement of the distance from New York to Los Angeles with the same error. What can you say about the absolute and relative errors for these measurements? Which one is more accurate?
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