5.9 Kinematics

5.9 Kinematics Quiz

IB Maths: Analysis and Approaches HL: Quiz

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5 questions, one answer each

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  1. 1. s(t)=4t2−t3s(t)=4t^{2}-t^{3}. Find a(2)a(2).

    • A. −4-4
    • B. 88
    • C. 44
    • D. −8-8

  2. 2. A particle has v(t)=t2−9v(t)=t^{2}-9 for t≥0t\ge0. When is it at rest?

    • A. t=0t=0
    • B. t=3t=3
    • C. t=±3t=\pm3
    • D. t=9t=9

  3. 3. v(t)=2t−6v(t)=2t-6 m s−1^{-1}. Find the displacement change for 0≤t≤40\le t\le4.

    • A. 1010 m
    • B. −8-8 m
    • C. 88 m
    • D. −10-10 m

  4. 4. For the same v(t)=2t−6v(t)=2t-6, find the total distance for 0≤t≤40\le t\le4.

    • A. 88 m
    • B. 99 m
    • C. 1010 m
    • D. 11 m

  5. 5. At some instant v=−5v=-5 m s−1^{-1} and a=2a=2 m s−2^{-2}. Which is true?

    • A. It is speeding up
    • B. It is slowing down
    • C. It is at rest
    • D. Its speed is −5-5 m s−1^{-1}

Quiz