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Solution: A group of swimmers is resting in the sun on an off-shore ra...

Question

A group of swimmers is resting in the sun on an off-shore raft. They estimate that 2.79 m separate a trough and an adjacent crest of surface waves on the lake. They count 14 crests that pass by the raft in 20.7 s. How fast are the waves moving?

A. 3.88251

B. 4.75641

C. 4.55385

D. 4.17228

E. 3.72

F. 3.77391

G. 5.43646

H. 4.01154

I. 3.30603

J. 5.30653