The period of a wave is the time it takes for one complete cycle of the wave. In this case, the time needed for the wave to change from the equilibrium level to the crest is only half of a complete cycle, so we need to double it to get the period.
Period = 2 * 0.16 s = 0.32 s
Therefore, the period of the wave is 0.32 seconds.
The time needed for a water wave to change from the equilibrium level to the crest is 0.16 s. What is the period of the wave?
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