The st graph for a train has been experimentally determined From the data, construct the vt and at graphs for the motion 0 t t 2 For 0 t t 1 , the curve is a parabola, and then it becomes straight for t t 1 Given t 30 s 12 40 s $1 360 m 600 m $2

Question: The st graph for a train has been experimentally determined. From the data, construct the vt and at graphs for the motion; 0 t

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: t = 30 s 12 = 40 s $1 = 360 m : 600 m $2 =

t = 30 s 12 = 40 s $1 = 360 m : 600 m $2 =

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