2. A disk has a mass M = 0.2 kg and a radius R = 0.3 m. A string is wrapped around the perimeter of the disk and one end is held while the disk is dropped from rest. What is the speed of the disk after its center has fell by 0.75 m? The rotational inertia of a disk is ½ MR?.
2. A disk has a mass M = 0.2 kg and a radius R = 0.3 m. A string is wrapped around the perimeter of the disk and one end is held while the disk is dropped from rest. What is the speed of the disk after its center has fell by 0.75 m? The rotational inertia of a disk is ½ MR?.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotation Of A Rigid Object About A Fixed Axis
Section: Chapter Questions
Problem 10.21P: A disk 8.00 cm in radius rotates at a constant rate of 1 200 rev/min about its central axis....
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Directions: Select the best answer for the following questions. Use g = 9.80 m/s2 and assume all numbers are accurate to 3 significant figures unless otherwise indicated.
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