Posted by **Natalie** on Friday, April 11, 2008 at 12:29pm.

A boat that travels at 16 knots in calm water is sailing across a current of 3 knots on a river 250 m wide. The boat makes an angle of 35 degrees with the current heading into the current.

Find the resultant velocity of the boat. How far upstream is the boat when it reaches the other shore?

Do I need to use parametric equations to solve this? If so, how do I find the time? Thanks in advance.

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