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Practice Part#1: With what was discussed in class, practice the following exercises, remember to do the process, to obtain the total points. (value:20pts) 1. A boat sailing through a river moves eastward for 5 km, then crosses the river by moving 3 km southward. On reaching the other side it moved westward through 1 km and reached the jetty. Find the distance covered and displacement of the boat. North w ........"5 km ......... E 3 km 2. A car moving along a straight highway from point P to point Q to point R and to point S, then back to point Q and finally to point R as shown in the figure below. a) Find the distance traveled by car. b) Find the displacement of the car. 7 km 5 km 3 km R 3. A person walks along the path of a rectangle from point P to point R as shown in the below figure. a) Find the distance traveled by the person. b) Find out the magnitude of the displacement of the person. 8:53 AM V Antilles Military Academy "Our mission consists in fostering academic and leadership skills and values that will enable students to be prepared for university entrance." 5 km 2 km R . The graph In Figure 13 represents the motion of a car moving along a straight highway. Describe in words the car's motion. Position v. Time 150.0 100.0 Position (m) 50.0 0.0 1.0 3.0 5.0 7.0 -50.0 Time (s) 4. 8:53 AM V