Peoples Physics Book Version-3

(Marvins-Underground-K-12) #1

3.1. The Big Idea http://www.ck12.org



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

  2. Ashaan

  3. Zyan

  4. Ashaan
    5..
    6..

  5. 6 minutes

  6. 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

  7. 7.7 m/s^2

  8. 47 m, 150 feet

  9. 34 m/s

  10. 1.22 m

  11. 4.9 m/s

  12. 2.46 m/s

  13. -4.9 m/s

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

  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 b. 3.6 seconds (3.5 seconds if using 10 m/s^2 ) c. 28 m (27 m if using 10 m/s^2 ) d. 45 m


13.

MEDIA


Click image to the left for more content.


  1. 25 m/s b. 30 m c. 2.5 m/s^2

  2. 2 m/s^2
    1.v 0 = 0
    2. 10 m/s^2
    3.−10 m/s^2
    4. 60 m

    1. 0.3 m/s^2

    2. 0.5 m/s



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