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This video demonstrates a simple experiment to investigate the principle of moments.

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The speed of a wave in a solid is investigated in this video. A signal generator and length of elastic are used to measure the frequency and wavelength of a wave, which allows wave speed to be calculated. 

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A ripple tank is used in this video to calculate the speed of a water wave by measuring the distance and time. This is a GCSE Combined Science and Physics Required Practical.

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A ripple tank is used in this video to calculate the speed of a water wave by measuring the frequency and wavelength. This is a GCSE Combined Science and Physics Required Practical.

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