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University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 83AP: A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12s. There is an uncertainty of...
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Below is the question:

  1. Consider the errors involved in the measurements you made in this lab in both length and mass. Search the internet to find devices that exceed the precision of devices used in this lab. Can you find the maximum experimental precision of mass and length measurement that has currently been achieved?
Equipment:
1. Triple-Beam Balance with a set of standard weights.
2. Ruler.
3. Vernier Caliper.
4. Micrometer
Transcribed Image Text:Equipment: 1. Triple-Beam Balance with a set of standard weights. 2. Ruler. 3. Vernier Caliper. 4. Micrometer
With Ruler:
Sample Height, (cm)
1.short 1.5
2.long
5
With Vernier Caliner
1.long
obiect
2.short 1.512
obiect
Sample
5.004
With Micrometer:
2.long
H
Sample Height, (cm) Diameter, (cm)
H
1.short 1.55
Not
applicable
(Weight is
too big for
measuring)
Diameter, (cm)
2.5
1.long 17.2
object
2.short 20.5
1.2
1.27
m
2.54
Height, (cm) Diameter, (cm)
H
D
2.585
1.318
Sample Triple Beam Balance
Mass measurement (g)
D
Table A
D
Error in Height,
SH
H
3.33%
Table B
1%
Table C
17.0518
Error in Height,
SH
H
.0999
20.4887
.3306
x 100%
Table D-1
x 100%
Error in Height,
SH
H
Lab Manual: General Physics I (SCP231)
Natural Sciences Department, LaGuardia Community College
0.0323%
x 100%
Analytic Balance Mass
measurement (g)
m
Error in Diameter,
SD
TX 100%
2%
4.2%
Error in Diameter,
SD
D
.3937
2. Measure the Mass m of each weight using the triple-beam balance and the
working analytic balance. Record relevant data in Table D.
.1969
x 100%
Error in Diameter,
SD
-x 100%
X
0.0193%
0.0379%
Error in
Mass,
triple
beam
0.581
8m
m
x 100%
Error in
Mass,
Analytic
balance
Sm
m
-x100
0.0058
0.487 0.0048
Transcribed Image Text:With Ruler: Sample Height, (cm) 1.short 1.5 2.long 5 With Vernier Caliner 1.long obiect 2.short 1.512 obiect Sample 5.004 With Micrometer: 2.long H Sample Height, (cm) Diameter, (cm) H 1.short 1.55 Not applicable (Weight is too big for measuring) Diameter, (cm) 2.5 1.long 17.2 object 2.short 20.5 1.2 1.27 m 2.54 Height, (cm) Diameter, (cm) H D 2.585 1.318 Sample Triple Beam Balance Mass measurement (g) D Table A D Error in Height, SH H 3.33% Table B 1% Table C 17.0518 Error in Height, SH H .0999 20.4887 .3306 x 100% Table D-1 x 100% Error in Height, SH H Lab Manual: General Physics I (SCP231) Natural Sciences Department, LaGuardia Community College 0.0323% x 100% Analytic Balance Mass measurement (g) m Error in Diameter, SD TX 100% 2% 4.2% Error in Diameter, SD D .3937 2. Measure the Mass m of each weight using the triple-beam balance and the working analytic balance. Record relevant data in Table D. .1969 x 100% Error in Diameter, SD -x 100% X 0.0193% 0.0379% Error in Mass, triple beam 0.581 8m m x 100% Error in Mass, Analytic balance Sm m -x100 0.0058 0.487 0.0048
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