Finding the phase angle of a pendulum swinging.

1. The problem statement, all variables and given/known data

The question reads:

Two identical pendulums have the same amplitude and the same length (20cm) At time t = 0, one pendulum reaches the end of its swing at x = +6 cm. At the same time the second pendulum has velocity v = -27 cm/s and sits on opposite ends of the equilibrium position. Find the phase angle of the second pendulum.


2. Relevant equations



3. The attempt at a solution

Ive tried several things but im hung up on finding the position of the 2nd pendulum at time 0.
 

kuruman

Science Advisor
Homework Helper
Insights Author
Gold Member
7,520
1,462
Can you show what you have tried?
 

The Physics Forums Way

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving
Top