Two racing boats set out from the same dock and speed away, Ask an Expert

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Two racing boats set out from the same dock and speed away at thesame constant speed of 80.9 km/h for half an hour (0.500 h), theblue boat headed 29.2° south of west, and the green boat headed39.6° south of west. During this half-hour (a)how much farther west does the blue boat travel, compared to the green boat, and (b) how much farther south doesthe green boat travel, compared to the blue boat? Express youranswers in km.

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