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Canadian geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to about 100km/h. If one such bird is flying at 100km/hrelative to the air, but there is a 46.0km/h wind blowing from west to east.
At what angle relative to the north-south direction should this bird head so that it will be traveling directly southward relative to the ground?
How long will it take the bird to cover a ground distance of 600 km from north to south? (Note: Even on cloudy nights, many birds can navigate using the earth's magnetic field to fix the north-south direction.)
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