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Motion Review Challenge

Motion Review Challenge. 15 m. 4 m. 10 m. 10 m. 6 m. Start. Finish. What is the total distance traveled?. Ans. 45 m. 15 m. 4 m. 10 m. 10 m. 6 m. Start. Finish. What is the displacement?. Ans. 5 m right. Sally. Sam. position. 0. 0. time. Who is moving faster?.

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Motion Review Challenge

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  1. Motion Review Challenge

  2. 15 m 4 m 10 m 10 m 6 m Start Finish What is the total distance traveled? Ans. 45 m

  3. 15 m 4 m 10 m 10 m 6 m Start Finish What is the displacement? Ans. 5 m right

  4. Sally Sam position 0 0 time Who is moving faster? Ans. Sally

  5. Who starts out ahead? Sally Sam position 0 0 time Ans. Sally

  6. 32 24 Sam 16 position (m) 8 0 16 18 0 2 4 14 6 10 8 12 time (s) What is Sam’s speed? Ans. 2 m/s

  7. What is Sally’s speed at t = 8 s? 32 24 Sally 16 velocity (m/s) 8 0 16 18 0 2 4 14 6 10 8 12 time (s) Ans. 16 m/s

  8. 32 24 16 position (m) 8 0 16 18 0 2 4 14 6 10 8 12 time (s) What is the displacement? Ans. +8 m

  9. What is the total distance traveled? 32 24 16 position (m) 8 0 16 18 0 2 4 14 6 10 8 12 time (s) Ans. 48 m

  10. 32 24 16 position (m) 8 0 16 18 0 2 4 14 6 10 8 12 time (s) What is the average speed for the first 10 seconds? Ans. 1.6 m/s

  11. 32 24 16 position (m) 8 0 16 18 0 2 4 14 6 10 8 12 time (s) What is the fastest speed traveled? Ans. 10 m/s

  12. 4 2 0 velocity (m/s) -2 -4 16 18 0 2 4 14 6 10 8 12 time (s) What is the displacement? Ans. 36 m

  13. 4 2 velocity (m/s) 0 -2 -4 12 16 10 14 6 8 0 4 2 time (s) What is the velocity of the object at t = 11 s? Ans. -3 m/s

  14. What is the displacement of the object for the entire trip? 4 2 velocity (m/s) 0 -2 -4 12 16 10 14 6 8 0 4 2 time (s) Ans. 12 m

  15. What is the acceleration of the object? 4 2 velocity (m/s) 0 -2 -4 12 16 10 14 18 6 8 0 4 2 time (s) Ans. 0

  16. What is the acceleration of the object? 4 2 velocity (m/s) 0 -2 -4 12 16 10 14 6 8 0 4 2 time (s) Ans. 1/3 m/s2

  17. What is the object doing? 4 2 velocity (m/s) 0 -2 -4 12 16 10 14 6 8 0 4 2 time (s) Ans. Slowing down

  18. What is the object doing? 4 2 velocity (m/s) 0 -2 -4 12 16 10 14 6 0 8 4 2 time (s) Ans. Speeding up

  19. Ans. D

  20. Ans. C

  21. Ans. E

  22. Ans. B

  23. Ans. D

  24. Ans. B

  25. Ans. D

  26. What is the velocity of the object? Ans. 32 m/s Position (m) Time (s)

  27. Describe (in words) how to match this graph. 4 2 velocity (m/s) 0 -2 -4 12 16 10 14 18 6 0 8 4 2 time (s) Ans. Move away from detector at constant speed of 2 m/s for 9 s, then move toward detector at constant speed of 1 m/s for 9 s

  28. 8 6 position (m) 4 2 0 12 16 10 14 18 6 0 8 4 2 time (s) Describe (in words) how to match this graph. Ans. Move forward at constant speed (4/9 m/s) for 9 s, stop moving for 4 s, then move forward at constant speed (1 m/s) for 2 s

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