Classroom water  demonstration of motion in two directions forming Parabolic curves

Classroom water demonstration of motion in two directions forming Parabolic curves

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Bruce Yeany
Feb 11, 2026

A student recorded my classroom demonstration of motion in two directions using a water stream. It is using a hose to spray water into the sink, roughly forming a parabolic curve as it moves forward and downward. Pointing the nozzle upwards gives us a symmetrical arc of water which can be angled at various degrees but still showing the same dimensions going up as it is coming down..

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