At the center of a 50--diameter circular ice rink a 80, Ask an Expert

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At the center of a 50--diameter circular ice rink, a 80 skater traveling north at 2.8 collides with and holds onto a 67 skater who had been heading west at 3.6. How long will it take them to glide to the edge of the rink? Where will they reach it? Give your answer as an angle north of west.

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