Simple Harmonic Motion PBS (10pts)

1. (5pts) Diagram Simple Harmonic Motion in relation to Energy (KE and PE)
   Using the diagram of a spring mass system and a pendulum.
2. (1pt) What is the equation for the period of a spring-mass system?
3. (1pt) What is the equation for the period of a pendulum?
4. (3pts) Explain why do both equations have 2π in them?