Math Problem???? Need help pleaseeeee!!!

Posted on 2014-11-21 11:20:00 in Math by LEO

Q 9.  Determine whether the vector field F = ( cos z, 8y, ?x sin z ) is conservative:

If so, find a potential function. (If the field is not conservative, enter DNE.)

 ?(x, y, z) =

Q 10.  In the figure below, assume P = (7, 0), Q = (7, 7), R = (0, 7).

Calculate the work expended when a particle is moved from 0 to Q along segments in the figure in the presence of the force field F (x2, y2)

How much work is expended moving in a complete circuit around the square?

Q 11. Let F =  Calculate the work against F required to move an object from (1, 1) to

(3, 2) along any path in the first quadrant.

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