Dynamics of a Double Spring Mass
Explore the dynamics of a double spring mass. You can change the system parameters and initial conditions that determine this system; the Demonstration then solves the equations numerically. You can see the graphs of the displacements and velocities of each of the masses and run the system using the trigger to observe the dynamics of the system.
The spring system derivation follows the one given in W. Seto, Schaum's Outline Series on Mechanical Vibrations, New York: McGraw–Hill, 1964.