Try the NGfL site for information on any topic.

 

 

 

Three Applets to assist your understanding. Directions of velocity and acceleration, size of centripetal force and assorted graphs against time.

 

Visit the hyperphysics website for a more mathematical approach.

 

 

An animation of Masses on a Spring can be found on the PHET site. A small animation that introduces SHM and one that relates SHM to Circular Motion. 

 

An animation that looks at Damping of Oscillations.

 

 

Two excellent animations can be found on the PHET site. Wave Interference and Wave on a String. Another animation to show how standing waves are formed.

 

 

Two more excellent animations can be found on the PHET site. The Photoelectric Effect and Models of the Hydrogen Atom. Another Photoelectric Effect animation

 

 

An animation to show the Doppler Effect. And another Doppler animation.