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A boat at anchor is rocked by waves whose crest are 100m apart and whose...

Physics
JAMB 1987
A boat at anchor is rocked by waves whose crest are 100m apart and whose velocity is 25ms-1. At what interval does the wave crest reach the boat?
  • A. 2500.00s
  • B. 75.00s
  • C. 4.00s
  • D. 0.25s
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Correct Answer: Option C
Explanation
Distance between the boat and crest = 100m

time = \(\frac{100}{25}\)

= 4sec
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