Concept explainers
Gretchen moves at a speed of 6.0 m/s when sitting on the edge of a horizontal rotating platform of diameter 4.0 m. Her mass is 45 kg. Show that her
To Show: The angular momentum about the center of the platform will be
Answer to Problem 47A
The angular momentum about the center of the platform is
Explanation of Solution
Given info:
The speed is
The diameter of the platform is
The mass is
Formula used:
The expression for the angular momentum as follows:
Here,
Calculation:
The radius as follows:
The angular momentum as follows:
Conclusion:
Thus, the angular momentum about the center of the platform is
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