Find the average velocity of the car whose position is graphed in Figure 2.45. Data given in
Question:
Find the average velocity of the car whose position is graphed in Figure 2.45.
Data given in Figure 2.45
Strategy
The slope of a graph of x vs. t is average velocity, since slope equals rise over run. In this case, rise = change in position and run = change in time, so that
Since the slope is constant here, any two points on the graph can be used to find the slope. (Generally speaking, it is most accurate to use two widely separated points on the straight line. This is because any error in reading data from the graph is proportionally smaller if the interval is larger.)
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Step by Step Answer:
1 Choose two points on the line In this case we choose t...View the full answer
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