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 about

PhysicsMediumHigh School (11–12)Mechanics › Vectors and Motion in a Plane

A hiker walks $3\ \text{km}$ west and then $4\ \text{km}$ north. Taking east as the $+x$ direction and measuring angles anticlockwise from it, the direction of her displacement is about

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← On a city map with x to the east and y to the north, a delivery van is at A = (4î + 3ĵ) km from the depot, and a scooter is at B = (î + ĵ) km. The position of the van as seen from the scooter, A - B, is The wind blows with a velocity of (3î + 4ĵ) m/s. A weather app shows only its direction, as a unit vector. Which unit vector does it show? →

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