https://gdpark.blog/tags/polar-coordinates/Recent content in Polar Coordinates on gdpark.blogHugoenThu, 25 Jun 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-01-vectors-and-polar-coordinates/Thu, 18 Jun 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-01-vectors-and-polar-coordinates/A breezy walkthrough of cross products, the BAC-CAB rule, coordinate transformation matrices, and polar coords — all the vector stuff that actually felt new in university physics.https://gdpark.blog/posts/classical-mechanics-09-kepler-s-laws-ellipse-law-equal-area-law-and-harmonic-law-pa/Thu, 25 Jun 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-09-kepler-s-laws-ellipse-law-equal-area-law-and-harmonic-law-pa/We derive the polar equation of an ellipse straight from its definition, then match it to the orbital equation — and yeah, gravity really does give you ellipses!!!