question archive The speed of surface waves in water decreases as the water becomes shallower
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The speed of surface waves in water decreases as the water becomes shallower. Suppose waves travel across the surface of a lake with a speed of 2.2 m/s and a wavelength of 1.35 m. When these waves move into a shallower part of the lake, their speed decreases to 1.6 m/s, though the frequency remains the same. Find the wavelength of the waves in the shallower water.