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WAEC - Physics (2009 - No. 23)
A boat is rocked by waves of speed 30ms
-1
whose successive crest are 10m apart. Calculate the rate at which the boat recieves the waves
30s
-1
10s
-1
3s
-1
1s
-1
解释
F = \(\frac{v}{\lambda} = \frac{30}{10} = 3s^{-1}\)
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