- #76

- 801

- 1

i still couldnt figure out which part is wrong, can you point out?If you recognize ##\vec r = (cos\omega t, \sin\omega t) ## as describing the unit circle, you know which of the answers for ##\kappa = {1\over \rho}## is wrong ...

Check your own post #66...

And cry out thatmade two huge mistakes in post #72 -- sorry about that !I