The general formula is k = |dT/dt|/|dr/dt| where T is the unit tangent
You should get 5/26
For a general discussion of curvature and why this formula works see my website
Unit Tangent Vectors/Unit Normal Vectors
The general formula is k = |dT/dt|/|dr/dt| where T is the unit tangent
You should get 5/26
For a general discussion of curvature and why this formula works see my website
Unit Tangent Vectors/Unit Normal Vectors