Suppose we want to calculate the moment of inertia of a 68.5 kg skater, relative to a vertical axis through their center of mass. A. First calculate the moment of inertia (in kg⋅m2) when the skater has their arms pulled inward by assuming they are cylinder of radius 0.115 m. Ib = 0.453 This was correct. I cannot figure part B B. Now calculate the
Suppose we want to calculate the moment of inertia of a 68.5 kg skater, relative to a vertical axis through their center of mass. A. First calculate the moment of inertia (in kg⋅m2) when the skater has their arms pulled inward by assuming they are cylinder of radius 0.115 m. Ib = 0.453 This was correct. I cannot figure part B B. Now calculate the
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 64P: (a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of...
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Suppose we want to calculate the moment of inertia of a 68.5 kg skater, relative to a vertical axis through their center of mass.
A. First calculate the moment of inertia (in kg⋅m2) when the skater has their arms pulled inward by assuming they are cylinder of radius 0.115 m.
Ib = 0.453 |
B. Now calculate the moment of inertia of the skater (in kg⋅m2) with their arms extended by assuming that each arm is 5% of the mass of their body. Assume the body is a cylinder of the same size, and the arms are 0.875 m long rods extending straight out from the center of their body being rotated at the ends.
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