Relative Velocity from Coordinates

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Your question is Relative Velocity from Coordinates. Start with the requirements on the right.

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Problem

Given two vehicles moving in a 2D plane, each represented by two consecutive positions: (x1, y1) at time t1 and (x2, y2) at time t2, compute the relative velocity vector of the merging vehicle with respect to the ego vehicle. Return [rvx, rvy, speed], where rvx and rvy are the relative velocity components and speed is the magnitude of that relative velocity.

Constraints

dt > 0
Each vehicle is given by exactly two 2D points
-10^6 <= x, y <= 10^6
Coordinates may be integers or floating-point values

Function Signature

def relative_velocity(ego, merge, dt):

Your solutionPython 3

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