What is speed and direction of the boat, relative to "moving water"? (Vector Problem) FULL PROBLEM STATEMENT: http://dpaste.com/1WPKTNY MY WORK: http://dpaste.com/0JA7TFA Is the velocity I find relati

What is speed and direction of the boat, relative to "moving water"? (Vector Problem)

FULL PROBLEM STATEMENT:

http://dpaste.com/1WPKTNY

MY WORK:

http://dpaste.com/0JA7TFA

Is the velocity I find relative to the water or shore?

I suspect it's relative to the shore and that the velocity relative to the "moving water" is simply 15 mph i. Am I right? If not, could someone please elaborate?