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A thin uniform rod of mass M, and length L is suspended from the ceiling and mounted on a horizontal frictionless axle at the top. The rod is initially at rest in its equilibrium position when a ball of play dough, of mass mb, strikes the rod at its lower end and remains stuck to the rod. M, The sticky ball is thrown with an initial speed vo at a 60 degree angle from the horizontal direction, and strikes the rod when it reaches the top of its trajectory, as shown in Fig.4. The acceleration due to gravity has magnitude g and air resistance is negligible. vo 60° Figure 4 a- Determine the velocity of the ball of play dough right before it sticks to the rod. Use the x-y coordinate system defined in Fig.4.

A thin uniform rod of mass M, and length L is suspended from the ceiling and mounted on a horizontal frictionless axle at the top. The rod is initially at rest in its equilibrium position when a ball of play dough, of mass mb, strikes the rod at its lower end and remains stuck to the rod. M, The sticky ball is thrown with an initial speed vo at a 60 degree angle from the horizontal direction, and strikes the rod when it reaches the top of its trajectory, as shown in Fig.4. The acceleration due to gravity has magnitude g and air resistance is negligible. vo 60° Figure 4 a- Determine the velocity of the ball of play dough right before it sticks to the rod. Use the x-y coordinate system defined in Fig.4.

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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A thin uniform rod of mass M, and length L is suspended from the ceiling and mounted on a horizontal frictionless axle at the top. The rod is initially at rest in its equilibrium position when a ball of play dough, of mass mb, strikes the rod at its lower end and remains stuck to the rod. + M, The sticky ball is thrown with an initial speed vo at a 60 degree angle from the horizontal direction, and strikes the rod when it reaches the top of its trajectory, as shown in Fig.4. The acceleration due to gravity has magnitude g and air resistance is negligible. Mb vo 60° Figure 4 a- Determine the velocity of the ball of play dough right before it sticks to the rod. Use the x-y coordinate system defined in Fig.4. 8. b- Determine the angular velocity of the rod+ball system right after the collision. Take counterclockwise as positive.
Transcribed Image Text:A thin uniform rod of mass M, and length L is suspended from the ceiling and mounted on a horizontal frictionless axle at the top. The rod is initially at rest in its equilibrium position when a ball of play dough, of mass mb, strikes the rod at its lower end and remains stuck to the rod. + M, The sticky ball is thrown with an initial speed vo at a 60 degree angle from the horizontal direction, and strikes the rod when it reaches the top of its trajectory, as shown in Fig.4. The acceleration due to gravity has magnitude g and air resistance is negligible. Mb vo 60° Figure 4 a- Determine the velocity of the ball of play dough right before it sticks to the rod. Use the x-y coordinate system defined in Fig.4. 8. b- Determine the angular velocity of the rod+ball system right after the collision. Take counterclockwise as positive.
c- Establish the differential equation satisfied by the rod+ball system after the collision and determine the angular frequency of the system. You may assume that the small angle approximation (sin0 =0) is valid. d- Determine the expression that describes the angular position of the rod+ball system at any time after the collision.
Transcribed Image Text:c- Establish the differential equation satisfied by the rod+ball system after the collision and determine the angular frequency of the system. You may assume that the small angle approximation (sin0 =0) is valid. d- Determine the expression that describes the angular position of the rod+ball system at any time after the collision.
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