Consider a particular wheel with a mass of (8 kg), a radius of (0.3 m), and a moment of inertia (I MR2. The wheel rolls along the ground travelling a distance of 40 m in 5 seconds at a constant speed. a) What is the angular velocity of the wheel? b) What is the angular momentum of the wheel? c) If the wheel comes to a stop in 0.4 seconds, what is the average torque experienced by the wheel? d) If the wheel was set to spinning freely at a rate of 12 Hz, then it expanded to a radius of (0.8 m), what would its new rotation rate be?

Consider a particular wheel with a mass of (8 kg), a radius of (0.3 m), and a moment of inertia (I MR2. The wheel rolls along the ground travelling a distance of 40 m in 5 seconds at a constant speed. a) What is the angular velocity of the wheel? b) What is the angular momentum of the wheel? c) If the wheel comes to a stop in 0.4 seconds, what is the average torque experienced by the wheel? d) If the wheel was set to spinning freely at a rate of 12 Hz, then it expanded to a radius of (0.8 m), what would its new rotation rate be?

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 63P: A system consists of a disk of mass 2.0 kg and radius 50 cm upon which is mounted an annular...

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Question

Consider a particular wheel with a mass of (8 kg), a radius of (0.3 m), and a moment of inertia (I
MR2. The wheel rolls along the ground travelling a distance of 40 m in 5 seconds at a constant speed.
a) What is the angular velocity of the wheel?
b) What is the angular momentum of the wheel?
c) If the wheel comes to a stop in 0.4 seconds, what is the average torque experienced by the wheel?
d) If the wheel was set to spinning freely at a rate of 12 Hz, then it expanded to a radius of (0.8 m), what
would its new rotation rate be?

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