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A Floating Leaf Oscillates Up and Down 2 Complete Cycles

Question 47

Multiple Choice

A floating leaf oscillates up and down 2 complete cycles in 1 s as a water wave of wavelength 10 m passes by. What is the wave's speed?

A) 2 m/s
B) 10 m/s
C) 20 m/s
D) 40 m/s
E) more than 40 m/s

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