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21 November, 23:09

If a train going 80 m/min hits the

brakes, and it takes the train 2.5

seconds to stop, what is the

train's acceleration?

+2
Answers (2)
  1. 22 November, 01:40
    0
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  2. 22 November, 02:57
    0
    -0.53 m/s²

    Explanation:

    Acceleration is the change in velocity over change in time.

    a = Δv / Δt

    First, convert m/min to m/s.

    80 m/min * (1 min / 60 s) = 1.33 m/s

    a = (0 m/s - 1.33 m/s) / 2.5 s

    a = - 0.53 m/s²
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