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15 January, 22:35

a 150 kg object takes 1.5 minutes to travel a 2,500 meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What was its acceleration?

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Answers (2)
  1. 15 January, 22:49
    +1
    -1.11 m/s²

    Explanation:

    v = at + v₀

    Given v = 20 m/s, v₀ = 120 m/s, and t = 1.5 min = 90 s:

    20 m/s = a (90 s) + 120 m/s

    a = - 1.11 m/s²
  2. 16 January, 02:24
    +1
    -1.11 m/s²

    Explanation:

    A 150 kg object takes 1.5 minutes to travel a 2,500 meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. Its acceleration was - 1.11 m/s².
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