use two points: one taken at near the beginning of its descent, “initial”, and one just prior to the hanging mass reaching its lowest point, “final”, to determine the moment of inertia of the disk/plate.   Note the position of the hanging mass is yh , and its velocity is vh . The moment of inertia isI for whatever is rotating. 1. Isolate the moment of inertia, algebraically from the above equation as all other variables have been measured.   Solve for the variable in terms of the others because there is no data so only working with variables.

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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use two points: one taken at near the beginning of its descent,
“initial”, and one just prior to the hanging mass reaching its lowest point, “final”, to determine the
moment of inertia of the disk/plate.

 

Note the position of the hanging mass is yh , and its velocity is vh . The moment of inertia isI for
whatever is rotating.
1. Isolate the moment of inertia, algebraically from the above equation as all other variables have been
measured.

 

Solve for the variable in terms of the others because there is no data so only working with variables.

E₁ = Ef
+Ko=K₁+U₂₁f + Krf
1
1
1/2 m₂ V/10 + m₂,891.0
+m₂8Yho + = 10²³ = = m,v².5 +m₂8Y₁₁5 + ²/10/²
=
h,f
h
2
2
2
Ko +U₂0
0
8,0
g,f
Transcribed Image Text:E₁ = Ef +Ko=K₁+U₂₁f + Krf 1 1 1/2 m₂ V/10 + m₂,891.0 +m₂8Yho + = 10²³ = = m,v².5 +m₂8Y₁₁5 + ²/10/² = h,f h 2 2 2 Ko +U₂0 0 8,0 g,f
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