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Puck Slides on Smooth Surface
Download the QuickTime files: Direct Measurement Video of a puck sliding (slow) (Quicktime Video 7.1MB Jul15 13) here and Direct Measurement Video of a puck sliding (fast) (Quicktime Video 6.3MB Nov8 13)
Sample question: What is the relationship between the speed of the cart and the distance the puck slides?
Dry Ice Puck Slides on a Circular Hoop
Download the QuickTime file: Direct Measurement Video of a dry ice puck sliding on a circular hoop (Quicktime Video 9.6MB Mar26 13) here.
Sample question: At what angle should the puck leave the surface if it is frictionless? At what horizontal location would a frictionless puck cross the ruler at the bottom of the screen?
Sample question: What is the power used by the clock?
Cart Rolls Down a Ramp and Collides with Spring
Download the QuickTime file: video of a cart rolling down a ramp into spring (Quicktime Video 2.9MB Jul7 12) here.
Sample question: What is the force constant for the spring?
Roller Coaster 1
Download the QuickTime file: Video of roller coaster 1 (Quicktime Video 11.2MB Jul23 12) here.
Sample question: What is the velocity of the roller coaster?
Sample question: Was mechanical energy conserved?
Download the QuickTime file: Video of M&M candy ballistic pendulum (Quicktime Video 1.3MB Jul7 12) here.
Sample question: Determine the velocity of the bullet as it leaves the pneumatic cannon.
Sample activity: Analyzing a Direct Measurement Video of a Ballistic Pendulum
Download the QuickTime file: video of person jumping on a trampoline (Quicktime Video 7.7MB Jul9 12) here.
Sample question: Determine the ratio of elastic potential energy when the jumper is at the low point to the gravitational potential energy when she is at the high point. Also, explain why you do not need to know the mass of the jumper to answer this question.
Sample activity: Direct Measurement Video of a Girl on a Trampoline