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Fuck geometry (lemm.ee)
submitted 6 months ago by [email protected] to c/[email protected]
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[-] [email protected] 3 points 6 months ago

Thank you for reminding me!

Btw, Radians/sec = Hz? What is this, physics?

[-] [email protected] 2 points 6 months ago

Engineering unit maths. Cos angles are unitless so radians/second =1/second=Hz

[-] [email protected] 2 points 6 months ago* (last edited 6 months ago)

The easiest way to think about it is that 1 full rotation (2*pi radians) in 1 second makes 1 Hz.

The number of rotations made in a second corresponds to Hz in the same way that the number of sine wave periods that fit in a second also represents Hz. This gif does a really good job of showing how rotation relates to sine/cosine waves, which just so happens to help visualize the rad/s -> Hz <- periods/s relationship:

this post was submitted on 29 Nov 2024
326 points (96.0% liked)

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