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Two 4.50 kg balls are attached to the ends of a thin rod of length 47.0 cm and negligible mass. The rod is free to rotate in a vertical plane without friction about a horizontal axis through its center. With the rod initially horizontal (see the figure below), a 40.0 g wad of wet putty drops onto one of the balls, hitting it with a speed of 2.09 m/s and then sticking to it. (a) What is the angular speed of the system just after the putty wad hits? (b) What is the ratio of the kinetic energy of the system after the collision to that of the putty wad just before? (c) Through what angle (in degrees) will the system rotate before it momentarily stops? Putty wad Rotation- axis (a) Number i Units (b) Number i Units (c) Number Units

Two 4.50 kg balls are attached to the ends of a thin rod of length 47.0 cm and negligible mass. The rod is free to rotate in a vertical plane without friction about a horizontal axis through its center. With the rod initially horizontal (see the figure below), a 40.0 g wad of wet putty drops onto one of the balls, hitting it with a speed of 2.09 m/s and then sticking to it. (a) What is the angular speed of the system just after the putty wad hits? (b) What is the ratio of the kinetic energy of the system after the collision to that of the putty wad just before? (c) Through what angle (in degrees) will the system rotate before it momentarily stops? Putty wad Rotation- axis (a) Number i Units (b) Number i Units (c) Number Units

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Two 4.50 kg balls are attached to the ends of a thin rod of length 47.0 cm and negligible mass. The rod is free to rotate in a vertical plane without friction about a horizontal axis through its center. With the rod initially horizontal (see the figure below), a 40.0 g wad of wet putty drops onto one of the balls, hitting it with a speed of 2.09 m/s and then sticking to it. (a) What is the angular speed of the system just after the putty wad hits? (b) What is the ratio of the kinetic energy of the system after the collision to that of the putty wad just before? (c) Through what angle (in degrees) will the system rotate before it momentarily stops? Putty wad Rotation- axis (a) Number i Units (b) Number i Units (c) Number Units
Transcribed Image Text:Two 4.50 kg balls are attached to the ends of a thin rod of length 47.0 cm and negligible mass. The rod is free to rotate in a vertical plane without friction about a horizontal axis through its center. With the rod initially horizontal (see the figure below), a 40.0 g wad of wet putty drops onto one of the balls, hitting it with a speed of 2.09 m/s and then sticking to it. (a) What is the angular speed of the system just after the putty wad hits? (b) What is the ratio of the kinetic energy of the system after the collision to that of the putty wad just before? (c) Through what angle (in degrees) will the system rotate before it momentarily stops? Putty wad Rotation- axis (a) Number i Units (b) Number i Units (c) Number Units
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