Calculus 3: Vector Calculus in 2D (32 of 39) Finding the Unit Normal Vector

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In this video I will find the unit normal vector N(t) of a given position vector r(t) (note: will need to use the T(t) from the previous video (31 of 39)) when t=2, N(t=2)=?

Next video in the series can be seen at:
  1. Michel van Biezen
  2. ilectureonline
  3. ilectureonline.com
  4. Mike
  5. Mike van Biezen
  6. van Biezen
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he said "all you hafta do is switch these (damn) components and their signs, and then you have the Unit Normal Vector"...

AFTER I JUST SPEND 2 1/2 HOURS IN LECTURE AND 3 HOURS IN TUTORING w/o ANYONE TELLING ME THAT...

only for you to clarify within less than 60 seconds. WHHHHAAAAT THE owugeuowEBJKFJDSFO!

lightlove
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Thank you for that simple technique. I owe you man.

TalaashDotCom
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can u talke abaut birth and death processes and haw we use markov in this processes thnx

wafawafa
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Sir, can we turn the unit tangent vector to normal unit vector using "derivative of t^2 +t^3", instead of using "1/sqrt 10 + 3/sqrt 10"?

younique