Waves in a lake are observed to be 5 m in length and to pass an anchored
Question:
Waves in a lake are observed to be 5 m in length and to pass an anchored boat 1.25 s apart. The speed of the waves is
a. 0.25 m/s
b. 4 m/s
c. 6.25 m/s
d. impossible to find from the information given
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