1) In a particle model diagram, how do you identify nonuniform motion? a) The dots are unevenly spaced. b) The vectors are different lengths. c) Look for signs of velocity changes. d) All of the above. 2) If a car’s acceleration is in the same direction as its velocity, what happens to the car’s speed? a) The speed of the car does not change. b) The speed of the car increases. c) The speed of the car decreases. d) There is not enough information to determine the car’s speed. 3) Which line or lines on the graph represent positive acceleration if east is the positive direction? a) A and E b) C c) B and D d) B, C, and D 4) Using the graph, determine the average acceleration between 2 s and 4 s. a) 2.0 m/s^2 b) 4.0 m/s^2 c) 6.0 m/s^2 d) 8.0 m/s^2 5) You can determine which factor of an object in motion by determining the slope of a tangent line on the velocity-time graph at the point in which you are insterested? a) instantaneous acceleration b) average acceleration c) velocity d) speed

Unit 1. Module 2. Lesson 1. Acceleration Recall

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