Q239
A boat at anchor is rocked by waves whose consecutive crests are 100 m apart. The velocity of the wave of the moving crests is 25 ms-1. What is the frequency of the rocking of the boat?
A.
100 Hz
B.
0.25 Hz
AnswerC.
250 Hz
D.
0.20 Hz
Answer: Option B
Solution
Answer: Option B
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