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**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.