Answer to Question #148328 in Classical Mechanics for Alfraid

Question

What is kinetic enrgy of system which is in polar coordinates system.

Answer 1

Answer

kinetic enrgy of system which is in polar coordinates system (r, $\theta$)

Can be written as

$T=\frac{m}{2}(\dot{r}^2+r^2\dot{\theta}^2)$

Where

m is mass of body.