Acceleration for a curved trajectory

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Main Question or Discussion Point

In feynman lectures on physics volume 1
Excerpt 11-6
I don't get how the equation \begin{equation*} \Delta v_\perp=v\,\Delta\theta \end{equation*} is found.
 

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  • #2
haushofer
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Me neither, I don't have a copy of the Feynman lectures and don't have a clou what this all means.
 
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Me neither, I don't have a copy of the Feynman lectures and don't have a clou what this all means.
They are available online.
 
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Ibix
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It would be helpful to link, at least to section 11-6 even if you can't link to the equation: http://www.feynmanlectures.caltech.edu/I_11.html#Ch11-S6

##\sin\Delta\theta\simeq\Delta\theta## if ##\Delta\theta<<1##, is the relevant fact, I think. Then the result follows from figure 11-8.
 
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