(Answered) Bryan allen pedaled a human-powered aircraft across the

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Bryan Allen pedaled a human-powered aircraft across the English Channel from the cliffs of dover to Cap Gis-Nez on June 12, 1979.

(a) He flew for 169 min at an average velocity of 3.53 m/s in a direction 45? south of east. What was his total displacement?

(b) Allen encountered a headwind averaging 2.00 m/s almost precisely in the opposite direction of his motion relative to the Earth. What was his average velocity relative to the air?

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