A person lying on an air mattress in the ocean rises and falls through one complete cycle every five seconds.
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A person lying on an air mattress in the ocean rises and falls through one complete cycle every five seconds.

[From: ] [author: ] [Date: 11-11-17] [Hit: ]
3 x 0.2), = 4.26m/sec.......
A person lying on an air mattress in the ocean rises and falls through one complete cycle every five seconds. The crests of the wave causing the motion are 21.3 m apart. Determine (a) the frequency and (b) the speed of the wave.

(a): __________ Hz
(b): __________ m/s

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a) Frequency = (1/5) = 0.2Hz.
b) Velocity = (21.3 x 0.2), = 4.26m/sec.
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