(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Suppose that a simple pendulum consists of a 50.0 g bob at the end of a cord of negligible mass. The angle (theta) between the cord and the vertical is given by: (theta)=(0.01000rad)cos[(5rad/s)t ], where t is time. A. What is the pendulum's length? B. What is the pendulums maximum potential energy? C. What is the maximum tension in the cord?

2. Relevant equations

PE=mgh

KE=1/2mv^2

3. The attempt at a solution

I got part a. Part b is throwin me off. I know how to find the maximum kinetic energy (KE=5rad/s x .392m x .1 rad) Im confused as to how to find potential, and even more lost on the tension

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# Homework Help: What is the pendulum's length?

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