If a pendulum has a frequency of 0.75 Hz, will reducing the length by half double the frequency or will reducing mass by half cause the frequency to double? - Quora
Pendulums in Physics | Calculation, Potential Energy & Kinetic Energy - Video & Lesson Transcript | Study.com
Pendulum Wave – GeoGebra
Graphing the Sine Wave of a Simple Pendulum – GeoGebra
Is a pendulum a wave? - Quora
The Pendulum Wave : 8 Steps (with Pictures) - Instructables