Use mass on ramp to change angle and measure T of pendulum
https://app.pivotinteractives.com/activities/5b5a230172e8d5002a76729f/preview
Helen rates this resource as good
Use mass on ramp to change angle and measure T of pendulum
https://app.pivotinteractives.com/activities/5b5a230172e8d5002a76729f/preview
Helen rates this resource as good
Change lengths, angles, see theta/t graph
http://mw.concord.org/nextgen/#interactives/physics/pendulums/double-pendulum