COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Question
Chapter 8, Problem 85QAP
To determine
(a)
Moment of inertia of the wheel
To determine
(b)
Magnitude of torque applied by break
Expert Solution & Answer
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Check out a sample textbook solutionChapter 8 Solutions
COLLEGE PHYSICS
Ch. 8 - Prob. 1QAPCh. 8 - Prob. 2QAPCh. 8 - Prob. 3QAPCh. 8 - Prob. 4QAPCh. 8 - Prob. 5QAPCh. 8 - Prob. 6QAPCh. 8 - Prob. 7QAPCh. 8 - Prob. 8QAPCh. 8 - Prob. 9QAPCh. 8 - Prob. 10QAP
Ch. 8 - Prob. 11QAPCh. 8 - Prob. 12QAPCh. 8 - Prob. 13QAPCh. 8 - Prob. 14QAPCh. 8 - Prob. 15QAPCh. 8 - Prob. 16QAPCh. 8 - Prob. 17QAPCh. 8 - Prob. 18QAPCh. 8 - Prob. 19QAPCh. 8 - Prob. 20QAPCh. 8 - Prob. 21QAPCh. 8 - Prob. 22QAPCh. 8 - Prob. 23QAPCh. 8 - Prob. 24QAPCh. 8 - Prob. 25QAPCh. 8 - Prob. 26QAPCh. 8 - Prob. 27QAPCh. 8 - Prob. 28QAPCh. 8 - Prob. 29QAPCh. 8 - Prob. 30QAPCh. 8 - Prob. 31QAPCh. 8 - Prob. 32QAPCh. 8 - Prob. 33QAPCh. 8 - Prob. 34QAPCh. 8 - Prob. 35QAPCh. 8 - Prob. 36QAPCh. 8 - Prob. 37QAPCh. 8 - Prob. 38QAPCh. 8 - Prob. 39QAPCh. 8 - Prob. 40QAPCh. 8 - Prob. 41QAPCh. 8 - Prob. 42QAPCh. 8 - Prob. 43QAPCh. 8 - Prob. 44QAPCh. 8 - Prob. 45QAPCh. 8 - Prob. 46QAPCh. 8 - Prob. 47QAPCh. 8 - Prob. 48QAPCh. 8 - Prob. 49QAPCh. 8 - Prob. 50QAPCh. 8 - Prob. 51QAPCh. 8 - Prob. 52QAPCh. 8 - Prob. 53QAPCh. 8 - Prob. 54QAPCh. 8 - Prob. 55QAPCh. 8 - Prob. 56QAPCh. 8 - Prob. 57QAPCh. 8 - Prob. 58QAPCh. 8 - Prob. 59QAPCh. 8 - Prob. 60QAPCh. 8 - Prob. 61QAPCh. 8 - Prob. 62QAPCh. 8 - Prob. 63QAPCh. 8 - Prob. 64QAPCh. 8 - Prob. 65QAPCh. 8 - Prob. 66QAPCh. 8 - Prob. 67QAPCh. 8 - Prob. 68QAPCh. 8 - Prob. 69QAPCh. 8 - Prob. 70QAPCh. 8 - Prob. 71QAPCh. 8 - Prob. 72QAPCh. 8 - Prob. 73QAPCh. 8 - Prob. 74QAPCh. 8 - Prob. 75QAPCh. 8 - Prob. 76QAPCh. 8 - Prob. 77QAPCh. 8 - Prob. 78QAPCh. 8 - Prob. 79QAPCh. 8 - Prob. 80QAPCh. 8 - Prob. 81QAPCh. 8 - Prob. 82QAPCh. 8 - Prob. 83QAPCh. 8 - Prob. 84QAPCh. 8 - Prob. 85QAPCh. 8 - Prob. 86QAPCh. 8 - Prob. 87QAPCh. 8 - Prob. 88QAPCh. 8 - Prob. 89QAPCh. 8 - Prob. 90QAPCh. 8 - Prob. 91QAPCh. 8 - Prob. 92QAPCh. 8 - Prob. 93QAPCh. 8 - Prob. 94QAPCh. 8 - Prob. 95QAPCh. 8 - Prob. 96QAPCh. 8 - Prob. 97QAPCh. 8 - Prob. 98QAPCh. 8 - Prob. 99QAPCh. 8 - Prob. 100QAPCh. 8 - Prob. 101QAPCh. 8 - Prob. 102QAPCh. 8 - Prob. 103QAPCh. 8 - Prob. 104QAPCh. 8 - Prob. 105QAPCh. 8 - Prob. 106QAPCh. 8 - Prob. 107QAPCh. 8 - Prob. 108QAPCh. 8 - Prob. 109QAPCh. 8 - Prob. 110QAPCh. 8 - Prob. 111QAPCh. 8 - Prob. 112QAPCh. 8 - Prob. 113QAPCh. 8 - Prob. 114QAPCh. 8 - Prob. 115QAPCh. 8 - Prob. 116QAPCh. 8 - Prob. 117QAPCh. 8 - Prob. 118QAPCh. 8 - Prob. 119QAPCh. 8 - Prob. 120QAPCh. 8 - Prob. 121QAPCh. 8 - Prob. 122QAPCh. 8 - Prob. 123QAPCh. 8 - Prob. 124QAPCh. 8 - Prob. 125QAPCh. 8 - Prob. 126QAPCh. 8 - Prob. 127QAP
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- A wheel 2.00 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 4.00 rad/s2. The wheel starts at rest at t = 0, and the radius vector of a certain point P on the rim makes an angle of 57.3 with the horizontal at this time. At t = 2.00 s, find (a) the angular speed of the wheel and, for point P, (b) the tangential speed, (c) the total acceleration, and (d) the angular position.arrow_forwardWhy is the following situation impossible? Starting from rest, a disk rotates around a fixed axis through an angle of 50.0 rad in a time interval of 10.0 s. The angular acceleration of the disk is constant during the entire motion, and its final angular speed is 8.00 rad/s.arrow_forwardA solid cylinder of mass 2.0 kg and radius 20 cm is rotating counterclockwise around a vertical axis through its center at 600 rev/min. A second solid cylinder of the same mass and radius is rotating clockwise around the same vertical axis at 900 rev/min. If the cylinders couple so that they rotate about the same vertical axis, what is the angular velocity of the combination?arrow_forward
- A turntable (disk) of radius r = 26.0 cm and rotational inertia0.400 kg m2 rotates with an angular speed of 3.00 rad/s arounda frictionless, vertical axle. A wad of clay of mass m =0.250 kg drops onto and sticks to the edge of the turntable.What is the new angular speed of the turntable?arrow_forwardRigid rods of negligible mass lying along the y axis connect three particles (Fig. P10.18). The system rotates about the x axis with an angular speed of 2.00 rad/s. Find (a) the moment of inertia about the x axis, (b) the total rotational kinetic energy evaluated from 12I2, (c) the tangential speed of each particle, and (d) the total kinetic energy evaluated from 12mivi2. (e) Compare the answers for kinetic energy in parts (b) and (d). Figure P10.18arrow_forwardA 12.0-kg solid sphere of radius 1.50 m is being rotated by applying a constant tangential force of 10.0 N at a perpendicular distance of 1.50 m from the rotation axis through the center of the sphere. If the sphere is initially at rest, how many revolutions must the sphere go through while this force is applied before it reaches an angular speed of 30.0 rad/s?arrow_forward
- A constant net torque is applied to an object. Which one of the following will not be constant? (a) angular acceleration, (b) angular velocity, (c) moment of inertia, or (d) center of gravity.arrow_forwardA disk with moment of inertia I1 rotates about a frictionless, vertical axle with angular speed i. A second disk, this one having moment of inertia I2 and initially not rotating, drops onto the first disk (Fig. P10.50). Because of friction between the surfaces, the two eventually reach the same angular speed f. (a) Calculate f. (b) Calculate the ratio of the final to the initial rotational energy. Figure P10.50arrow_forwardIn testing an automobile tire for proper alignment, a technicianmarks a spot on the tire 0.200 m from the center. He then mountsthe tire in a vertical plane and notes that the radius vector to thespot is at an angle of 35.0 with the horizontal. Starting from rest,the tire is spun rapidly with a constant angular acceleration of 3.00 rad/s2. a. What is the angular speed of the wheel after 4.00 s? b. What is the tangential speed of the spot after 4.00 s? c. What is the magnitude of the total accleration of the spot after 4.00 s?" d. What is the angular position of the spot after 4.00 s?arrow_forward
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Moment of Inertia; Author: Physics with Professor Matt Anderson;https://www.youtube.com/watch?v=ZrGhUTeIlWs;License: Standard Youtube License