Peoples Physics Book Version-2

(Marvins-Underground-K-12) #1

4.6. One-Dimensional Motion Problem Set http://www.ck12.org


3..


4..



  1. Zyan

  2. Ashaan is accelerating because the distance he travels every 0.1 seconds is increasing, so the speed must
    be increasing

  3. Ashaan

  4. Zyan

  5. Ashaan
    5..
    6..

  6. 6 minutes

  7. (d) 20 meters (e) 40 meters (f) 2.67 m/s (g) 6 m/s (h) Betweent=15 s andt=20 sec because your position
    goes fromx=30 m tox=20m. (i) You made some sort of turn

  8. 7.7 m/s^2

  9. 47 m,150 feet

  10. 34 m/s

  11. 1.22 m

  12. 4.9 m/s

  13. 2.46 m/s
    4.− 4 .9 m/s

  14. (b) 1 second (c) at 2 seconds (d) 4m

  15. 250 m

  16. 13 m/s,−13 m/s

  17. 14 s for round trip

  18. Let’s say we can jump 20 feet( 6 .1 m)in the air.? Then, on the moon, we can jump 36.5 m straight up.
    11.−31m/s^2

  19. 23 m/s

  20. 3.6 seconds

  21. 28 m

  22. 45m

  23. 25 m/s

  24. 30 m

  25. 2.5 m/s^2

  26. 2 m/s^2
    1.v 0 = 0

  27. 10 m/s^2
    3.−10 m/s^2

  28. 60 m

  29. 0.3 m/s^2

  30. 0.5 m/s

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