Displacement in Two Dimensions: Motion in Two Dimensions
Strobe Penlight
PIRA Class: 1D10.05*

Purpose
To observe the relationship between velocity, position & time

Description
Wave a blinking (LED) light about to observe the spacing between the blinks. Compare the spacings between the blinks w/ the moving wand's rate of motion.
1. Plug in, turn on strobe penlight
2. Wave wand about allowing students to observe the equal time interval displacements of the wand's tip

PEDAGOGY: Vary the rate of motion for students to observe the flashes closer & further

Equipment
Strobe penlight w/ power supply