With your group members review the following position-vs-time graph for a moving object. B C D CX3 E F 1 Using the labeled points determine: a. Where is the object moving the fastest? b. Where is the object moving to the left? Where is the object speeding up? d. Where is the object slowing down? Where is the object turning around? C. e. A Activity 2: Group Discussion Discuss with your group members if you can have zero displacement and nonzero average velocity? Zero displacement and nonzero velocity? Explain your reasoning. You can use an x-t graph to aid in your explanation. Activity 3: Group Problem Work with your group members to solve this problem: A car is traveling north on a straight road at a constant 20.0 m/s. A truck traveling north at 30.0 m/s passes the car, and then starts to slow down at a constant -1.80 m/s. a. How much time elapses from when the truck passes the car to when the car passes the truck? b. What distance does the truck travel in this amount of time? What is the speed of the truck when the car passes it? c. Activity 1: Acceleration Vector With your group members determine the direction of the acceleration vector at each of the labeled points. A B C D E Activity 2: Projectile Motion Problem With your group members answer the following question: You launch a projectile from level ground at a speed of 25.0 m/s and an angle of 36.9 above the horizontal. a. How long after it is launched does the projectile reach its maximum height above the ground? b. What is the maximum height of the projectile? C. How far from its launch point does the projectile land? Activity 3: Relative Motion Problem With your group members answer the following question: I A jet is flying due north relative to the ground. The speed of the jet relative to the ground is 155 m/s. The wind at the jet's altitude is 40.0 m/s toward the northeast (45.0 north of east). Suppose that the +x-axis is directed eastward and the +y-axis is directed northward. a. Find the speed of the jet relative to the air (its airspeed). b. Find the direction in which the pilot of the jet must point the plane so that it travels due north relative to the ground. The direction angle is measured from the +x-axis toward the +y-axis. With your group members review the following position-vs-time graph for a moving object. B C D CX3 E F 1 Using the labeled points determine: a. Where is the object moving the fastest? b. Where is the object moving to the left? Where is the object speeding up? d. Where is the object slowing down? Where is the object turning around? C. e. A Activity 2: Group Discussion Discuss with your group members if you can have zero displacement and nonzero average velocity? Zero displacement and nonzero velocity? Explain your reasoning. You can use an x-t graph to aid in your explanation. Activity 3: Group Problem Work with your group members to solve this problem: A car is traveling north on a straight road at a constant 20.0 m/s. A truck traveling north at 30.0 m/s passes the car, and then starts to slow down at a constant -1.80 m/s. a. How much time elapses from when the truck passes the car to when the car passes the truck? b. What distance does the truck travel in this amount of time? What is the speed of the truck when the car passes it? c. Activity 1: Acceleration Vector With your group members determine the direction of the acceleration vector at each of the labeled points. A B C D E Activity 2: Projectile Motion Problem With your group members answer the following question: You launch a projectile from level ground at a speed of 25.0 m/s and an angle of 36.9 above the horizontal. a. How long after it is launched does the projectile reach its maximum height above the ground? b. What is the maximum height of the projectile? C. How far from its launch point does the projectile land? Activity 3: Relative Motion Problem With your group members answer the following question: I A jet is flying due north relative to the ground. The speed of the jet relative to the ground is 155 m/s. The wind at the jet's altitude is 40.0 m/s toward the northeast (45.0 north of east). Suppose that the +x-axis is directed eastward and the +y-axis is directed northward. a. Find the speed of the jet relative to the air (its airspeed). b. Find the direction in which the pilot of the jet must point the plane so that it travels due north relative to the ground. The direction angle is measured from the +x-axis toward the +y-axis.