- #1

pringless

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- Thread starter pringless
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- #1

pringless

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- #2

arcnets

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no, you do not need calculus to solve this.

Let's call x(t) = x

This is just quadratic in t (the graph is a parabola).

All you got to do is find the lowest (or highest) point of the parabola.

Let's call that point (t

x(t) = a(t - t

You can find a, t

- #3

pringless

- 43

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im sorry...i don't really understand what u mean

- #4

enigma

Staff Emeritus

Science Advisor

Gold Member

- 1,757

- 17

Graph the two equations. That will show you position of each particle as a function of time.

If you then subtract one from the other, you'll have the difference between the two. If you graph that, you'll see the difference as a function of time. You'll see that it will go down and then go back up. The closest approach is where the difference is the smallest.

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