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Physics Lab124021
April 18, 2007
Abstract
In this lab experiment, we examined the motion of rotating bodies using the
principle of conservation of angular momentum.
Data from the previous experiment was
used for this experiment.
The experimental value found in the first exercise was If/Ii,
Final moment of inertia divided by Initial moment of inertia, which was then tested
verses our measured values to give us a percent difference.
The second exercise found an
experimental value for Mp, Mass of the point mass, which was also tested against the
measured Mp to give a percent difference.
Experiment
Table 1
Data Table 1: Exercise 1
Moment of inertia of solid disk, Id
=
8.96x10^3 kgm^2
Initial moment of inertia of hollow cylinder,
Ic
=
5.019x10^3 kgm^2
Initial moment of inertia of the system, Ii
=
8.96x10^3 kgm^2
Final moment of inertia of the system, If
=
1.397x10^2 kgm^2
Initial rotational speed, wi
Final rotational speed, wf
(rad/s)
(rad/s)
15.376
11.42
18.193
14.71
13.421
11.054
19.32
16.83
14.132
10.61
18.519
13.07
21.956
17.93
24.856
19.77
12.497
9.821
16.77
13.501
The value to be found in Exercise 1 was If/Ii.
This value is the slope of the graph
of wf vs. wi, with wf being graphed as the x, and wi as the y.
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This note was uploaded on 04/03/2008 for the course PHYS 124 taught by Professor Jay during the Spring '07 term at Clemson.
 Spring '07
 Jay
 Angular Momentum, Momentum

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