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GRADE 10 SCIENCE:
"MORE MOTION REVIEW! ANSWERS

Grade 10 IB Students!
If you need some pre-test help, I will be available in room 209 during the lunch period on Monday, October 16.

  1. (A) 150 m [forward] (B) 150 m [forward] (C) 100 m [forward] (D) 350 m [forward] (E) 400 m [forward]

    INTERVAL A:   15 m/s [forward]
    INTERVAL B:   0 m/s
    INTERVAL C:   -5.0 m/s or 5.0 m/s [back]
    INTERVAL D:   20 m/s [forward]
    INTERVAL E:   10 m/s [forward]

  2. (displacements)
    (A) 150 m [forward]   (B) 100 m [back]   (C) 400 m [forward]

    (distances)
    (A) 150 m   (B) 200 m (C) 500 m

  3. 2.5 m/s2

    These answers are relating to the v-t graph question.
    (A) 20 km/hr, 40 km/hr, 80km/hr

    (B) 10 km/hr/s,  6.7 km/hr/s,   0     (you won't see km/hr/s as a unit of acceleration on your test)


  4. all these displacements are [forward]:
    240 km, 270 m, 18 m, 338 m

  5. 0.20 m/s2

  6. (A) -40 m/s     (B) 800 m [forward]

  7. 10 m/s [south]

  8. 12 m/s [north]

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