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Using the following data, draw the time-displacement graph for a moving object:
Time(t) | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
Displacement(d) | 0 | 2 | 4 | 4 | 4 | 6 | 4 | 2 | 0 |
Use this graph to find the average velocity for the first 4 s
Using the given data, the drawn graph is as below:
Now, average velocity for first 4 seconds $V_1=\frac{d_2-d_1}{t_2-t_1}=\frac{4-0}{4-0}=\frac{4}{4}=1\ m/s$
Average velocity for next 4 seconds $V_2=\frac{4-4}{8-4}=\frac{0}{4}=0$
Average velocity for last 6 seconds $V_3=\frac{0-6}{16-10}=\frac{-6}{6}=-1\ m/s$
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