Exercise 1: A boat is traveling east at a peed of 3.8 m/s. a person walks across the boat with a velocity of 1.3 south. What is the person's velocity (magnitude and direction) relative to the water?

Exercise 2: You are riding in a bus moving at 3.0 m/s. You hurry to the rear of the bus at 2.0m/s relative to the bus. What is your speed relative to the street?

Exercise 3: Rafi is pulling a toy wagon through a neighborhood at a speed of 1.2 m/s. A caterpillar in the wagon is crawling toward the rear of the wagon at 2.0 cm/s. What is the caterpillar's velocity relative to the ground?