Change g, k, l, m, dampting see angle/ t for pendulum attached to spring
http://mw.concord.org/nextgen/#interactives/physics/pendulums/pendulum-spring
Change g, k, l, m, dampting see angle/ t for pendulum attached to spring
http://mw.concord.org/nextgen/#interactives/physics/pendulums/pendulum-spring