The figure below shows the position of a particle versus time, with each line on

Question

The figure below shows the position of a particle versus time, with each line on the vertical axis representing 3.8 m. Find the average velocities for the time intervals a, b, c, and d indicated in the figure.

m/s (time interval a)

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2)

m/s (time interval b)

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3)

m/s (time interval c)

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4)

m/s (time interval d)

Explanation / Answer

1) va = (x2-x1)/(t2-t1)

= (3-3)/(4-0)

= 0 m/s

2) vb = (5-4)/(7-4)

= 0.333 m/s

3) vc = (-2-5)/(10-7)

= -2.33 m/s

4) vd = (1-(-2))/(14-10)

= 0.75 m/s

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