Objects dropped 6.14 m above ground to measure gravity during physics ...
Updated: Mar 09, 2009 4:03pm PST
A lit sparkler moving in a circle. Do the sparks fly outward, inward, ...
Updated: Mar 09, 2009 4:07pm PST
For analysis of the tangential acceleration of a golf club head.
Updated: Apr 11, 2009 8:17am PST