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1-D Motion

1-D Motion. Displacement, Position, and Distance Velocity vs. Speed Frame of Reference. Frame of Reference. x=975 ft. x=0. x=1000 ft. Where is the grizzly?. Position vs. Displacement. Reference point or origin. x=975 ft. x=0. x=1000 ft. positions. Position depends upon your

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1-D Motion

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  1. 1-D Motion • Displacement, Position, and Distance • Velocity vs. Speed • Frame of Reference

  2. Frame of Reference x=975 ft. x=0 x=1000 ft. Where is the grizzly?

  3. Position vs. Displacement Reference point or origin x=975 ft. x=0 x=1000 ft. positions Position depends upon your frame of reference.

  4. Position vs. Displacement Reference point or origin x=975 ft. x=475 ft. x=500 ft. x=0 x=1000 ft. positions If we change our frame of reference, Then our positions change.

  5. Position vs. Displacement x=975 ft. x=0 x=1000 ft. 25 ft. Displacement is the difference in positions.

  6. Position vs. Displacement Reference point or origin x=975 ft. x=475 ft. x=0 x=1000 ft. x=500 ft. 25 ft. If we change our frame of reference, the displacement stays the same.

  7. 1-D Motion

  8. Displacement • Displacement is change in position. • Displacement can be positive or negative.

  9. Velocity • Average velocity is displacement in a given time.

  10. Finding displacement from velocity and time. • The high-speed train travels from Paris to Lyons at an average velocity of +227 km/h. The trip takes 2.00 h. How far is Lyons from Paris?

  11. Finding displacement from velocity and time. Paris 227 km/h Lyons Dt=2h Unknown Dx

  12. Finding displacement from velocity and time. Paris 227 km/h Lyons Dt=2h Unknown Dx

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