Chasing Person B: Describing the Curve Mathematically

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Discussion Overview

The discussion revolves around a mathematical problem involving two individuals, A and B, where A is attempting to chase B, who moves horizontally at a constant speed. The focus is on describing the resulting curve mathematically, exploring the dynamics of their movement and the nature of the chase.

Discussion Character

  • Exploratory, Mathematical reasoning, Debate/contested

Main Points Raised

  • Person A is positioned at (0,1) and pursues person B at (0,0), who moves horizontally with a constant speed v.
  • Some participants question whether person A will ever intercept person B.
  • One participant suggests that while interception may not occur, the distance between A and B could become infinitely small.
  • There is a suggestion that the curve created by A's pursuit may have an asymptotic property.
  • Participants acknowledge the difficulty in solving the differential equation that describes the chase.
  • A link to a resource on pursuit curves is provided for further exploration.

Areas of Agreement / Disagreement

Participants express differing views on whether person A will ever intercept person B, with some suggesting that interception is unlikely while others propose that the distance may approach zero.

Contextual Notes

The discussion does not resolve the mathematical analysis of the differential equation, and assumptions regarding the nature of the chase and the behavior of the curve remain unexamined.

Who May Find This Useful

Individuals interested in mathematical modeling, differential equations, and pursuit curves may find this discussion relevant.

hypermonkey2
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Heres a problem that could use some light. Say person A at (0,1) is following a person B at (0,0). Person B moves horizontally with a constant speed v (towards the positive x direction). Person A also moves with speed v, but always in the direction pointing at person B (to chase him). How can we describe mathematically the curve thus created?

I hope my explanation of the problem was clear, thanks!
 
Last edited:
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Do you think A will ever intercept B?
 
I wouldn't think so. Their distance might become infinitely small though, if that means the same thing.
 
So one property of the curve would be that it has an asymptote?
 
That would seem to be the case. But even so, we haven't been able to solve the differential equation. Can you try a mathematical analysis? This is not homework, haha, no need for the socratic method.
 
Have a look at http://mathworld.wolfram.com/PursuitCurve.html" .
 
Last edited by a moderator:
thanks, ill wrestle with that.
 

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