Senior students in the physics class taught by Brother James Petrait, O.S.F.S., at St. Joseph High School on St. Croix had a laboratory experiment on September 1. Students observed the acceleration due to gravity by rolling a tennis ball down inclined planes. Ian Heath (right) rolled the ball before fellow students (left to right) Roxane Grey, Jonique George, Yahaira Olmeda, Enrique Arroyo and Julie Dupie, Jr. Brother Petrait (not shown) made a video of the action, which was analyzed in slow motion on a computer screen in the next class.
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