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Physics Online
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
A waves on water distance and time Gratnell tray
This video explains how to measure the speed of water waves using an alternative to the ripple tank wave experiment; water in a Gratnell tray. In order to calculate the speed of a wave, we need to measure the distance covered by a wave in the time it takes to cover that distance.
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