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Continue to ChatD. Morin leads AP Physics, using photogates to measure velocity. http://www.redgoldnews.com/d-morin-leads-ap-physics-using-photogates-to-measure-velocity/12665/
D. Morin leads AP Physics, using photogates to measure velocity. http://www.redgoldnews.com/d-morin-leads-ap-physics-using-photogates-to-measure-velocity/12665/