The st graph for a train has been experimentally determined. From the data, construct the vt and
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The s–t graph for a train has been experimentally determined. From the data, construct the v–t and a–t graphs for the motion; 0 ≤ t ≤ t2. For 0 ≤ t ≤ t1, the curve is a parabola, and then it becomes straight for t ≥ t1. Given:
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t₁ = 30 s 12 = 40 s $1 = 360 m : 600 m $2 =
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