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AA point mass (m) is undergoing uniform circular motion with an angular speed (@) in a horizontal circle of radius r. Which of the following represents the angular momentum of the mass? a) mr?o b) mr?/o c) ra?/m d) mrø e) mo A skater extends her arms, holding a 2kg mass in each hand. She is rotating about a vertical axis at a given rate. She brings her arms inward toward her body in such a way that the distance of each mass from the axis changes from 1m to 0.5m. Her rate of rotation will be a) doubled b) halved c) quadrupled d) quartered e) the same A 45kg girl is sitting on a seesaw 0.6m from the balance point. How far, on the other side, of the balance point should a 60kg boy sit so that the seesaw will remain balanced? 45 kg Y 60kg. 0.6m a) 0.3m b) 0.35m c) 0.4m d) 0.45m e) 0.5m

AA point mass (m) is undergoing uniform circular motion with an angular speed (@) in a horizontal circle of radius r. Which of the following represents the angular momentum of the mass? a) mr?o b) mr?/o c) ra?/m d) mrø e) mo A skater extends her arms, holding a 2kg mass in each hand. She is rotating about a vertical axis at a given rate. She brings her arms inward toward her body in such a way that the distance of each mass from the axis changes from 1m to 0.5m. Her rate of rotation will be a) doubled b) halved c) quadrupled d) quartered e) the same A 45kg girl is sitting on a seesaw 0.6m from the balance point. How far, on the other side, of the balance point should a 60kg boy sit so that the seesaw will remain balanced? 45 kg Y 60kg. 0.6m a) 0.3m b) 0.35m c) 0.4m d) 0.45m e) 0.5m

University Physics Volume 1
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 60P: A uniform rod of mass 200 g and length 100 cm is free to rotate in a horizontal plane around a fixed...
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Hello. This is multiple choice so you can give me the letter of the answer. Thank you!! This is 1 question it just has 4 parts..
PartI AA point mass (m) is undergoing uniform circular motion with an angular speed (@) in a horizontal circle of radius r. Which of the following represents the angular momentum of the mass? a) mr?a b) mr?/o c) rm/m d) mræ e) ma A skater extends her arms, holding a 2kg mass in each hand. She is rotating about a vertical axis at a given rate. She brings her arms inward toward her body in such a way that the distance of each mass from the axis changes from 1m to 0.5m. Her rate of rotation will be a) doubled b) halved c) quadrupled d) quartered e) the same A 45kg girl is sitting on a seesaw 0.6m from the balance point. How far, on the other side, of the balance point should a 60kg boy sit so that the seesaw will remain balanced? 45 kg 2 60kg 0.6m a) 0.3m b) 0.35m c) 0.4m d) 0.45m e) 0.5m A A solid disk with a radius R rotates at a constant rate w. Which of the following points has the greater angular displacement? А. А A В. В С. С D. All points have the same angular displacement.
Transcribed Image Text:PartI AA point mass (m) is undergoing uniform circular motion with an angular speed (@) in a horizontal circle of radius r. Which of the following represents the angular momentum of the mass? a) mr?a b) mr?/o c) rm/m d) mræ e) ma A skater extends her arms, holding a 2kg mass in each hand. She is rotating about a vertical axis at a given rate. She brings her arms inward toward her body in such a way that the distance of each mass from the axis changes from 1m to 0.5m. Her rate of rotation will be a) doubled b) halved c) quadrupled d) quartered e) the same A 45kg girl is sitting on a seesaw 0.6m from the balance point. How far, on the other side, of the balance point should a 60kg boy sit so that the seesaw will remain balanced? 45 kg 2 60kg 0.6m a) 0.3m b) 0.35m c) 0.4m d) 0.45m e) 0.5m A A solid disk with a radius R rotates at a constant rate w. Which of the following points has the greater angular displacement? А. А A В. В С. С D. All points have the same angular displacement.
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