Physics

To determine the average velocity, we need to find the displacement first:

We can calculate the area of the polygon formed by the graph with the time – axis.

0-6s:

The area of a trapezoid , where and are the parallel sides and is the height. Here, , , and .

So .

6-15s:

The area of a trapezoid , where and are the parallel sides and is the height. Here,

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