and a mass of 9.00 kg is freely rotating at 60.0 rpm. A chunk of clay with a rotational inertia of 0.0250 kg m2 about the spinning axis is stuck on the wheel. The potter can stop the wheel over 5.00 seconds by pressing a rag against the edge of the wheel. a. What is the total initial angular momentum? (Give your answer in N m s.)total rotational inertia is equal to the rotational inertia of the disk (Idisk = 1/2 MR2) plus the rotational inertia of the clay. b. What frictional torque does the potter apply to bring the wheel to a stop? (Give your answer in N m.)
and a mass of 9.00 kg is freely rotating at 60.0 rpm. A chunk of clay with a rotational inertia of 0.0250 kg m2 about the spinning axis is stuck on the wheel. The potter can stop the wheel over 5.00 seconds by pressing a rag against the edge of the wheel. a. What is the total initial angular momentum? (Give your answer in N m s.)total rotational inertia is equal to the rotational inertia of the disk (Idisk = 1/2 MR2) plus the rotational inertia of the clay. b. What frictional torque does the potter apply to bring the wheel to a stop? (Give your answer in N m.)
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 96P: A thin stick of mass 0.2 kg and length L=0.5m is attached to the rim of a metal disk of mass M=2.0kg...
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A thick stone disk with a radius of 15.0 cm and a mass of 9.00 kg is freely rotating at 60.0 rpm. A chunk of clay with a rotational inertia of 0.0250 kg m2 about the spinning axis is stuck on the wheel. The potter can stop the wheel over 5.00 seconds by pressing a rag against the edge of the wheel.
a. What is the total initial
b. What frictional torque does the potter apply to bring the wheel to a stop? (Give your answer in N m.)
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