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?
- 2500.00s
- 75.00s
-
4.00s
- 0.25s
The correct answer is: C
Explanation
Distance between the boat and crest = 100mtime = \(\frac{100}{25}\)
= 4sec