2010 Speed And Velocity
- 1. Speed and Velocity February 17, 2010
- 2. Objectives Define distance, time, speed, and velocity Distinguish between and calculate speed and velocity Explain constant speed and average speed Read a distance time graph
- 3. Motion is measured by time and distance
- 4. Distance the separation of two positions
- 5. Distance Commonly measured in meters kilometers
- 6. Time the period between two events
- 7. Time Commonly measured in Seconds Minutes Hours
- 8. Speed the measure of how fast an object moves as it changes its position
- 9. Speed Commonly measured in Meters per minute (m/m) Kilometers per hour (km/h)
- 10. Speed = Distance Time
- 11. Speed Time = 0 seconds meters 25 20 30 15 35 10 5 0
- 12. Speed Time = 5 seconds meters 25 20 30 15 35 10 5 0
- 13. Speed Time = 10 seconds meters 25 20 30 15 35 10 5 0
- 14. Speed Time = 15 seconds meters 25 20 30 15 35 10 5 0
- 15. Constant Speed speed that does not change
- 16. Constant Speed
- 17. Average Speed the total distance traveled divided by the total time of travel
- 18. Average Speed
- 19. Speed & Velocity How is speed different from velocity?
- 20. Velocity describes both the speed and its direction 90 km/h = speed 90 km/h west = velocity