1. The problem statement, all variables and given/known data A 95.0 cm pendulum is released from a small angle. After 115 oscillations, the amplitude is one half of its original value. The damping is proportional to the speed of the pendulum bob. Find the value of the damping coefficient. 2. Relevant equations b=sqrt k*m A= Ao*factor^N 3. The attempt at a solution I can't seem to figure out how to approach this problem. According to the equation, I need to know what k is and what the mass is...but all they provide in the problem is the length of the pendulum. I think it is a simple pendulum, so I used the equation T= 2pi*sqrtL/g knowing T, I can find the frequency and the angular frequency...but I'm stuck after that. What am I overlooking?