Question

Asked Oct 6, 2019

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I am nee help with estimating the values for evaluation. please advise.

Thank You

Step 1

We have been provided with speed time graph. Distance travelled = area under the speed time grpah till the time speed becomes zero. So, please see the graph now. We need to calculate ghe area under the pink line between the limits t = 0 to t = 6 second (this is when the car comes to halt)

Step 2

In order to calculate this, we will approximate the area under the curve by dividing the area into multiple regions. For the purpose of approximation we will assume that all the points of intersection are the mid points.

Please see the chart above

Total area = Area of triangle ABC + Area of rectangle OBCH + Area of triangle CDE + Area of rectangle HDEF + Area of triangle EFG

Step 3

OA = 105, OB = CH = 75; Hence AB = OA - OB = 105 - 75 = 30; BC = 1; DH = ...

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