1. Speed,Velocity and Acceleration SC-HS-1.2.1

2. Which of the following units represent distance? 1.30 m/s 2.1.4 m 3.120 mph 4.34 min

3. Which of the following represents acceleration? 1.25 m/s 2.24 hrs 3.34 ft 4.6 cm/min/sec

4. The changes in speed, changes in direction, or changes in both can described as what? 1.Speed 2.Velocity 3.Acceleration 4.Instantaneous speed

5. The ratio of the distance an object moves to the amount of time the object moves is what? 1.Speed 2.Velocity 3.Acceleration 4.Instantaneous Speed

6. When measuring speed in a specific direction, it is called 1.Velocity 2.Speed 3.Acceleration 4.Instantaneous Speed

7. Jack's speed on his bicycle as he went by school was 8 m/s and then at the stop light was 0 m/s. How would you describe his motion? 1.Staying constant 2.Accelerating 3.Decelerating 4.Increasing velocity

8. Which of the following is the equation for speed? 1.S = d/t 2.S = d * t 3.S = Vf -Vi 4.None of the above

9. A horizontal line on a distance line graph means the object is 1.How fast a speed is changing at a specific instant 2.How fast a direction is changing at a specific instant 3.How fast a velocity is changing at a specific instant 4.None of the above

10. What is the shortest distance between the starting point and the end point called? 1.Frame of reference 2.Velocity 3.Displacement 4.All of the above

11. Which distance can be most accurately measured with a ruler? 1.The width of a book 2.The length of a river 3.The distance between two cities 4.The size of an object under a microscope

12. What two variables are used to measure speed? 1.Distance & velocity 2.Distance & time 3.Time & Velocity 4.Final Velocity and Initial Velocity

13. Velocity is a description of what two things? 1.Vector and time 2.Speed and distance 3.Speed and direction 4.Distance and direction

14. Which of the following best describes how to determine acceleration of an object? 1.Take the final velocity subtract the initial velocity then divide by time 2.Take the initial velocity subtract the final velocity then divide by time 3.Distance divided by time 4.Lactic acid production