A woman is standing in the ocean, and she notices that after a wave crest passes by, five more crests pass in a time of 50.2 s. The distance between two successive crests is 30.2 m. What is the wave's (a) period, (b) frequency, (c) wavelength, and (d) speed

Explanation:

(a) The period of a wave is the time required for one complete cycle. In this case, we have the time of five cycles. So:

(b) The frequency of a wave is inversely proportional to its period:

(c) The wavelength is the distance between two successive crests, so:

(d) The speed of a wave is defined as:

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