Recitation 10ans

Recitation 10ans - Recitation 10 1. a. T (1) = b. = 1 2 2...

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Recitation 10 1. a. G T 1 () = 1 2 , 1 2 ,0 r N 1 () =− 1 2 , 1 2 ,0 b. κ = 1 22 c. v = 40 2. a. a T = 0 b. a N can never be zero since there is no straight line part to an ellipse. If a N were constant, then curvature would be constant which would mean the curve is a circle.
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