Question

The graph below shows the velocity f(t) of a runner during a certain time interval:

Answer 1

For this case, the first thing we must do is take into account the definition of the axes:
 the x axis is time in seconds
 the y axis is velocity in meters per secon
 
 Then, we look for the cut point with the y axis, which is given by:
 (0, 2)
 This means that the initial speed is 2 m / s.
 
 We now look for the cut point with the x axis, which is given by:
 (8, 0)
 This means that the speed is 0 m / s, so the runner stopped when the time is 8 seconds.

 Answer:
 The initial velocity of the runner was 2 m / s, and the runner stopped after 8 seconds.

Answer 2

Answer:

The initial velocity of the runner was 2 m/s, and the runner stopped after 8 seconds.

Step-by-step explanation:

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