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? (c) What was his total displacement relative to the air mass?
I would really appreciate any help to solve this and an explanation as to what equations to use. I am so confused! Thank you
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