Henrique drew and labeled the net shown. He also labeled the areas of the left and right triangular sides. A net has a rectangle
2 answers:
You might be interested in
Curl is defined as:
Which can be rewritten as:
This is because C1 lies on the xy plane and thus it's unit vector will be .
By similar arguments the rest will follow too.
Now, area of each circle will be:
Therefore, Curl, as per our definition will be:
Thus, Curl=
Which is the required answer.