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?