A car starts 200 m west of the town square and moves with a constant velocity of 15 m/s toward the east. Draw a d vs. t graph that represents the motion of the car

Ithink the answer is d

The boat's velocity relative to the riverbank can be resolved into two components. the component going north is 2.7 m/s and the component going west is 1.2 m/s.we add these two vectors and then find the magnitude of the resultant to get the speed.the magnitude of the resultant vector from adding can be obtained by the pythagorean theorem.    to two significant figures, the boat's speed relative to the riverbank is 3.0 m/s.