Why Do Vehicles Moving North-South Have East-West Velocity Components?

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SUMMARY

This discussion addresses the phenomenon where vehicles moving in a north-south direction exhibit east-west velocity components. The Toyundai vehicle is traveling at a speed of 30 km/h, while the Chryssalt vehicle is moving at approximately 39 km/h. The participants analyze the vector components of these velocities, emphasizing the importance of understanding vector magnitudes in relation to directional movement. The conclusion drawn is that even vehicles primarily oriented north-south can have measurable east-west velocity due to factors such as wind or road curvature.

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there are 5 more questions on this which are more complicated but want to get this (a) first. assume by speed they mean magnitude of the vector.

Toyundai speed is $$30 \frac{km}{h} $$

Chryssalt speed is $$\approx 39 \frac{km}{h}$$
 
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The arithmetic looks fine, but the question doesn't. Why do vehicles working north-south have east-west velocity components?
 

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