Created by StemPy LabThe wind blows with a velocity of . A weather app shows only its direction, as a unit vector. Which unit vector does it show?
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← A hiker walks 3 km west and then 4 km north. Taking east as the +x direction and measuring angles anticlockwise from it, the direction of her displacement is aboutAt a jetty, a small boat is held by two mooring lines tied to the same ring on its bow. One line pulls with 10 N, the other with 6 N, and there is an angle of 120° between them. About how large is the single force that would do the same job as both lines? →
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