Question

Sinusoidal water waves are generated in a large ripple tank. The waves travel at 20 cm/s and their adjacent crests are 5.0 cm apart. The time required for each new whole cycle to be generated is:
A) 100 s
B) 4.0 s
C) 2.0 s
D) 0.5 s
E) 0.25 s

Answer

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