How to find Speed and Direction

[zuber]

Homework Statement

A sailboat is traveling eat at 5.0 m/s/ A sidden gust of wind gives the boat an acceleration a-> = (0.80 m/s^2, 40 degrees North of east). what are the boat's speed and direction 6.0 seconds later when the gust subsides?

Homework Equations

I don't know wht formula to use,
please help me
how to do this problem

The Attempt at a Solution

 

[tiny-tim]

A sailboat is traveling eat at 5.0 m/s/ A sidden gust of wind gives the boat an acceleration a-> = (0.80 m/s^2, 40 degrees North of east). what are the boat's speed and direction 6.0 seconds later when the gust subsides?

Hi zuber!

Acceleration is a vector (like velocity), so you can split it into components.

Then calculate the x and y components of velocity separately.