I don't understand how this was manipulated

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SUMMARY

The discussion centers on the manipulation of the equation for time in relation to distance and speed, specifically in the context of an atom hitting a wall twice. The conclusion drawn is that the time interval, delta t, can be expressed as delta t = 2d/vx, where vx represents the velocity of the atom. The participant confirms that the relationship time = distance/speed is correctly applied, leading to the derived equation t = 2d/vx. This indicates a clear understanding of the basic principles of motion.

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Saippo
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I'm reading an explanation that involves the atom hitting the wall twice so the distance the atom traveled is 2d along the x direction in time delta t. Then the paragraph concludes that delta t = 2d/vx
So I assumed that it was because vx = 2d/delta t. Is that it? Or is there something that I'm missing? Thanks!
 
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time=distance/speed
t=2d/vx

That's all there is to it.
 

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