A student measures the oscillations of a water wave in three trials: Trial 1: 25…

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

A student measures the oscillations of a water wave in three trials: Trial 1: 25 oscillations in 2.5 s Trial 2: 40 oscillations in 3.8 s Trial 3: 35 oscillations in 3.3 s If the wavelength of the wave is 0.30 m, what is the approximate speed of the wave based on the average frequency of the trials? (a) 3.9 m/s3.9\,\text{m/s} (b) 30 m/s30\,\text{m/s} (c) 3.1 m/s3.1\,\text{m/s} (d) 3.0 m/s3.0\,\text{m/s}

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