Mathematics, 10.11.2019 02:31 lalaboooobooo
Consider the vector field bold upper fequalsleft angle y minus x comma x right angle and curve c: bold r (t )equalsleft angle 9 cosine t comma 9 sine t right angle for 0 less than or equals t less than or equals 2 pi. a. based on the picture, make a conjecture about whether the circulation of bold upper f on c is positive, negative, or zero. b. compute the circulation.
Answers: 2
and 
![=[\frac{-81\sin2t}{2}-\frac{81cos2t}{4}]^{2\pi}_0\\=\frac{-81}{4}+\frac{81}{4}=0](/tpl/images/0367/5181/700d1.png)
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Consider the vector field bold upper fequalsleft angle y minus x comma x right angle and curve c: b...
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