A swimming duck paddles the water with its feet once every, Ask an Expert

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A swimming duck paddles the water with its feet once every 1.6s, producing surface waves with this period. The duck is moving at a constant speed in a pond where the speed of the surface waves is .32 m/s and the crests ahead of the duck are spaced .12m apart.

What is the duck's speed?

How far apart are the crests behind the duck?

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Reference No.:- M9906146

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