(Solved): A submarine descends at an angle of 30 below the horizontal with a heading to the northeast. If ...

A submarine descends at an angle of $30^{?}$ below the horizontal with a heading to the northeast. If its speed is 36 knots, find the components of the velocity in the east, north, and vertical directions. Let the unit vectors $\mathbf{i},\mathbf{j}$, and $\mathbf{k}$ point east, north, and upward, respectively. Sketch a vector describing the velocity of the submarine. Choose the correct graph below. $\mathbf{F}$ The components of the velocity are knots to the east, knots to the north, and knots downward. (Type exact answers.)