
# 13.6: Velocity and Acceleration in Polar Coordinates


http://faculty.etsu.edu/gardnerr/211...-12e/c13s6.pdf

https://ecourses.ou.edu/cgi-bin/eboo....6&page=theory

http://pioneer.netserv.chula.ac.th/~...1/24rtheta.pdf

http://math.stackexchange.com/questi...ar-coordinates