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Boats & Streams Flashcards

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Formula

Stream speed = (Downstream - Upstream) / 2...?

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Answer

Stream speed = (Downstream - Upstream) / 2.

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Formula

Time upstream = Distance / (Sb - Sr)...?

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Answer

Time upstream = Distance / (Sb - Sr). Time downstream = Distance / (Sb + Sr).

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Formula

If boat goes x km upstream in same time as y km downstream = ?

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Answer

(x)/(Sb-Sr) = (y)/(Sb+Sr). Solve for Sb or Sr.

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