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A cruise ship leaves Port Everglades, near downtown, and sets course to the bahamas. Unaware of the current and wind speeds the captain steers the ship S70(deg)E at 40mi/hr. Calculate the ships resultant speed and the direction if the ocean's current and wind push N10(deg)W at 3mi/hr

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  1. gvt016
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    |dw:1353455775278:dw|

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  2. gvt016
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    then we calculate the resultant using Law of cosines |dw:1353456480492:dw|

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  3. gvt016
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    R^2 = 1609 - 120 R^2 = 1489 ----------------> R = 38,587 min/ hr

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    |dw:1353457219993:dw|

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