Potential energy is energy stored.
Kinetic energy is the energy in motion.
My hypothesis is that the time when the book swings and freezes, its potential energy is max and kinetic is none. When the book swings and reaches the middle, the kinetic energy is max and the potential is none. Meter stick 3. 1. connect a book with strings about 84 in. 2. turn on sound sensor 3. swing the book 4. measure the distance the book swings horizontally 5.