A Floating Leaf Oscillates Up and Down Two Complete Cycles

question 21

Multiple Choice

A floating leaf oscillates up and down two complete cycles in 1 s as a water wave passes by. The wave's wavelength is 10 m. 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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Definitions:

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A device that maintains a constant output air pressure regardless of variations in input pressure and flow requirements.

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The technology or method of using pressurized air to effect mechanical motion or control systems.

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