book:chap3:3.6_problems
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
book:chap3:3.6_problems [2022/01/30 04:19] – add Problem 3.22: Length of the groove of venyl records jv | book:chap3:3.6_problems [2022/01/30 04:23] (current) – jv | ||
---|---|---|---|
Line 244: | Line 244: | ||
---- | ---- | ||
- | <wrap #quest_line-integral-venyl-discs | + | <wrap #quest_lineintegral_venyl-disc > Problem 3.22: </ |
\\ | \\ | ||
<WRAP 200pt right > | <WRAP 200pt right > | ||
- | {{: | + | {{ : |
DJ Spooky playing venyl records at the Sundance Film Festival (2003), | DJ Spooky playing venyl records at the Sundance Film Festival (2003), | ||
Line 264: | Line 264: | ||
In the frame of the disc we will denote the position of the needle as | In the frame of the disc we will denote the position of the needle as | ||
\begin{align*} % \label{eq:} | \begin{align*} % \label{eq:} | ||
- | \vec q (\theta) = R(\theta) \: \hat{\mathbf r}(\theta) | + | \mathbf |
\end{align*} | \end{align*} | ||
Here $\hat{\mathbf r}(\theta)$ is the radial unit vector of polar coordinates taken with respect to the center of the disc, | Here $\hat{\mathbf r}(\theta)$ is the radial unit vector of polar coordinates taken with respect to the center of the disc, |
book/chap3/3.6_problems.1643512797.txt.gz · Last modified: 2022/01/30 04:19 by jv