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17 August, 09:36

Question 29 A football coach walks 12 meters westward, then 16 meters eastward, then 22 meters westward, and finally 6 meters eastward. For this motion, what is the distance moved? What is the magnitude and direction of the displacement?

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Answers (2)
  1. 17 August, 10:46
    0
    Answer: 56m; 12m

    Step-by-step explanation:

    A football coach walks 12 meters westward, 16 meters eastward, 22 meters westward, and then 6 meters eastward. The total distance moved will be: 12m + 16m + 22m + 6m = 56 metres.

    The displacement will be:

    12i + 16i - 22i + 6i

    = 34i - 22i

    = 12m west
  2. 17 August, 13:01
    0
    Distance moved is 56 meters The magnitude and direction of the displacement is 12 meters eastward

    Step-by-step explanation:

    Distance is scalar quantity and as such it has only magnitude and no direction.

    The distance moved by the coach is calculated as;

    distance = 12 meters + 16 meters + 22 meters + 6 meters

    distance = 56 meters

    Again, we determine the magnitude and direction of the displacement.

    Displacement is a vector quantity and as such it has both magnitude and direction.

    let westward represent positive direction, and

    eastward represent negative direction

    Displacement = 12 meters westward - 16 meters eastward + 22 meters westward - 6 meters eastward

    Displacement = 12 meters eastward
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