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I believe it's for better visual distinction as frequency (v as in nu) and velocity (v) share the same character. There's a symbol (a fancier looking v, honestly) to distinguish between the two, but the forum won't let me use it in a post :)
Brian Bui 2A wrote:As others said, they are interchangeable! However v (Greek letter) for frequency has a little curve on the left while v for velocity is just straight, if that helps. Very nit-picky details!
Thanks for this! I probably would not have noticed that tiny detail.
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