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VERN HART. Created for Copyright 2016. All rights reserved.

Two ducks, separated by a distance of 10 m, are bobbing up and down on the surface of a pond. The ducks' motion is in phase as they complete 4 full cycles every 5 seconds. Assume the speed of the waves on the water is 4 m/s. A goose approaches the first duck along a straight line, perpendicular to the line joining the two ducks (see figure).

At which location would the goose experience maximum amplitude?


2 m from the first duck


5 m from the first duck


7.5 m from the first duck


10 m from the first duck

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