3B10.75 Uncoupled Pendulum Waves

3B10.75 Uncoupled Pendulum Waves

A set of pendula, started in phase, exhibit a sequence of traveling waves, standing waves, and random motion. Each in the set of successively shorter pendula executes one additional oscillation in the same time interval.

Pendulum Wave side view showing the unequal lenths of the pendula
Side view of demonstration

 

view of demo in motion

The apparatus is from AJP 59(2),186.

Location: On cart at the end of aisle K