1. Warm Up
Solve the period of a mass on a spring equation for the spring constant. k = _______
What are some properties of a pendulum?
A 5 kg mass oscillating on a spring has a period of 2 s. What is the spring constant of the spring?

2. Pendulum Lab
Write a lab report including (purpose:”Find what effects the period of a pendulum,” hypothesis, materials, procedure, picture, data table, and conclusion paragraph)
What propert(y/ies) of a mass on a string used as a pendulum determines the period of the pendulum?
HINT: do not pull the pendulum past about 45 degrees.

3. Homework