This, the length of the pendulum is 1.06 m. Now you start with the pendulum at 23.8 degrees with respect to the vertical, but rather than releasing it from rest, you give it a push downward. It swings to the other side, and reaches a maximum angle of 59.6 degrees with respect to the vertical. What must have been the initial speed of the pendulum just after you pushed it?   Question 3 options:   2.92 m/s   3.21 m/s   1.33 m/s   5.14 m/s

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.52P: A particle of mass m moving in one dimension has potential energy U(x) = U0[2(x/a)2 (x/a)4], where...
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This, the length of the pendulum is 1.06 m. Now you start with the pendulum at 23.8 degrees with respect to the vertical, but rather than releasing it from rest, you give it a push downward. It swings to the other side, and reaches a maximum angle of 59.6 degrees with respect to the vertical. What must have been the initial speed of the pendulum just after you pushed it?
 

Question 3 options:

 
2.92 m/s
 
3.21 m/s
 
1.33 m/s
 
5.14 m/s
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