University Physics Volume 1
18th Edition
ISBN: 9781938168277
Author: William Moebs, Samuel J. Ling, Jeff Sanny
Publisher: OpenStax - Rice University
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Textbook Question
Chapter 11, Problem 77P
The axis of Earth makes a
(a) Calculate the change in
(b) What is the average torque producing this change in angular momentum?
(c) If this torque were created by a pair of forces acting at the most effective point on the equator, what would the magnitude of each force be?
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University Physics Volume 1
Ch. 11 - Check Your Understanding A hollow cylinder is on...Ch. 11 - Check Your Understanding A proton spiraling around...Ch. 11 - Check Your Understanding Which has greater angular...Ch. 11 - Check Your Understanding A merry-go-round at a...Ch. 11 - Check Your Understanding A top has a precession...Ch. 11 - Can a round object released from rest at the top...Ch. 11 - A cylindrical can of radius R is rolling across a...Ch. 11 - A wheel is released from the top on an incline. Is...Ch. 11 - Which rolls down an inclined plane faster, a...Ch. 11 - A hollow sphere and a hollow cylinder of the same...
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The...Ch. 11 - A propeller consists of two blades each 3.0 m in...Ch. 11 - A pulsar is a rapidly rotating neutron star. The...Ch. 11 - The blades of a wind turbine are 30 m in length...Ch. 11 - A roller coaster has mass 3000.0 kg and needs to...Ch. 11 - A mountain biker takes a jump in a race and goes...Ch. 11 - Conservation of Angular Momentum 52.A disk of mass...Ch. 11 - The Sun’s mass is 2.01030kg , its radius is...Ch. 11 - A cylinder with rotational inertia I1=2.0kgm2...Ch. 11 - A diver off the high board imparts an initial...Ch. 11 - An Earth satellite has its apogee at 2500 km above...Ch. 11 - A Molniya orbit is a highly eccentric orbit of a...Ch. 11 - Shown below is a small particle of mass 20 g that...Ch. 11 - A bug of mass 0.020 kg is at rest on the edge of a...Ch. 11 - A uniform rod of mass 200 g and length 100 cm is...Ch. 11 - A merry-go-round has a radius of 2.0 m and a...Ch. 11 - A playground merry-go-round has a mass of 120 kg...Ch. 11 - Three children are riding on the edge of a...Ch. 11 - (a) Calculate the angular momentum of an ice...Ch. 11 - Twin skaters approach one another as shown below...Ch. 11 - A baseball catcher extends his arm straight up to...Ch. 11 - In 2015, in Warsaw, Poland, Olivia Oliver of Nova...Ch. 11 - A satellite in a geosynchronous circular orbit is...Ch. 11 - A gymnast does cartwheels along the floor and then...Ch. 11 - The centrifuge at NASA Ames Research Center has a...Ch. 11 - A ride at a carnival has four spokes to which pods...Ch. 11 - An ice skater is preparing for a jump with turns...Ch. 11 - A space station consists of a giant rotating...Ch. 11 - Neptune has a mass of 1.01026kg and is 4.5109km...Ch. 11 - A gyroscope has a 0.5-kg disk that spins at 40...Ch. 11 - The precession angular velocity of a gyroscope is...Ch. 11 - The axis of Earth makes a 23.5 angle with a...Ch. 11 - A marble is rolling across the floor at a speed of...Ch. 11 - Repeat the preceding problem replacing the marble...Ch. 11 - The mass of a hoop of radius 1.0 m is 6.0 kg. 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