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Pivot point Rod A massless rigid rod of length L has a ball of mass m attached to one end. The other end is pivoted in such a way that the ball will move in a vertical circle. First, assume that there is no friction at the pivot. The system is launched downward from the horizontal position A with initial speed vo. The ball just barely reaches point D and then stops. NOTE: Express your answers in terms f the L, m, and g. (a) Determine an expression for vo. |/2 gl (b) What is the tension in the rod when the ball passes through B?

Pivot point Rod A massless rigid rod of length L has a ball of mass m attached to one end. The other end is pivoted in such a way that the ball will move in a vertical circle. First, assume that there is no friction at the pivot. The system is launched downward from the horizontal position A with initial speed vo. The ball just barely reaches point D and then stops. NOTE: Express your answers in terms f the L, m, and g. (a) Determine an expression for vo. |/2 gl (b) What is the tension in the rod when the ball passes through B?

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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I need help with part a B D please
Pivot point A Rod →マ A massless rigid rod of length L has a ball of mass m attached to one end. The other end is pivoted in such a way that the ball will move in a vertical circle. First, assume that there is no friction at the pivot. The system is launched downward from the horizontal position A with initial speed vo. The ball just barely reaches point D and then stops. NOTE: Express your answers in terms the L, m, and g. (a) Determine an expression for vo. /2 gl (b) What is the tension in the rod when the ball passes through B? Tencion 5am MacBook Pro Hi Hello BBB @ %23 2$ 2 3 5 7 8. くo
Transcribed Image Text:Pivot point A Rod →マ A massless rigid rod of length L has a ball of mass m attached to one end. The other end is pivoted in such a way that the ball will move in a vertical circle. First, assume that there is no friction at the pivot. The system is launched downward from the horizontal position A with initial speed vo. The ball just barely reaches point D and then stops. NOTE: Express your answers in terms the L, m, and g. (a) Determine an expression for vo. /2 gl (b) What is the tension in the rod when the ball passes through B? Tencion 5am MacBook Pro Hi Hello BBB @ %23 2$ 2 3 5 7 8. くo
(a) Determine an expression for vo. 2 gl (b) What is the tension in the rod when the ball passes through B? Tension 5 g m (c) A little grit is placed on the pivot to increase the friction there. Then the ball just barely reaches C when launched from A with the same speed as before. What is the decrease in the mechanical energy during this motion? AEmech -(m gl) (d) What is the decrease in the mechanical energy by the time the ball finally comes to rest at B after several oscillations? AEmech = -2 m gl MacBook Pro Hello @ #3 2$ & 3 4 7 8 E T Y U くO w/
Transcribed Image Text:(a) Determine an expression for vo. 2 gl (b) What is the tension in the rod when the ball passes through B? Tension 5 g m (c) A little grit is placed on the pivot to increase the friction there. Then the ball just barely reaches C when launched from A with the same speed as before. What is the decrease in the mechanical energy during this motion? AEmech -(m gl) (d) What is the decrease in the mechanical energy by the time the ball finally comes to rest at B after several oscillations? AEmech = -2 m gl MacBook Pro Hello @ #3 2$ & 3 4 7 8 E T Y U くO w/
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