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Describing Motion & Relative Velocity 1. Describe how distance and displacement are different. Give an example where they would be the same value, and another example where they would be different values. 2. Use the graph below to answer a and b. 20 18 16 14 12 velocity (m/s) 10 CO 4 2 2 3 5 7 8 time (s) a. Describe the acceleration of the object graphed above.b. How far does the object travel between 2 and 8 seconds? Hint: You can view this area under the "curve" as a triangle PLUS a rectangle. 3. You are standing on the shore watching the river. The river is flowing south at 5 m/s. You see a boat traveling upriver. The boat is traveling north at 8 m/s relative to the water. What is the boat's velocity relative to you, standing on the shore? 4. Describe how the velocities of the objects whose motion is shown in each of the following position-time graphs are different. x (m) x (m) x(m t (s ) t (s) t (s A B C 5. A cop is driving his patrol car at 35 miles/hr. A speeding car flies by going in the opposite direction and the cop checks his radar gun. His radar gun says that the RELATIVE velocity of the speeding car was 80 mi/hr. How fast was the speeding car going