Two vehicles boats sail away from each other on a lake. Sailing boat A sails directly North at 3 km/h and sailing boat B sails N.53,13° E. at 5km/h .
1.calculate the velocity of sailing boat A relative to the velocity of sailing boat B.
North: An-Bn = 3 - 5 cos 53.13
East Ae - Be = 0 - 5 sin 53.13