The position versus time for a certain object moving along the x-axis is shown.

Question

The position versus time for a certain object moving along the x-axis is shown. The objects initial position is - 2 m. Find the average velocity in the time interval 0 s to 1 s. Answer in units of m/s. Find the average velocity in the time interval 0 s to 4 s. Answer in units of m/s. Find the average velocity in the time interval 1 s to 4 s. Answer in units of m/s. Find the average velocity in the time interval 4 s to 8 s. Answer in units of m/s. Find the average velocity in the time interval 0 s to 9 s. Answer in units of m/s.

Explanation / Answer

a) v = d/t = (4-(-2) )/4 = 1.5 m/s b) 4 - 8 /3 = -1.33 m/s c) -4 - 4 /4 = -2 m/s d)0 - (-2) / 9 = 0.222m/s e) 8 - (-2)/1 = 10m/s

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