If gasoline costs $3.90 per gallon, what was the fuel cost for this trip?.What (average) fuel economy, in miles per gallon, did the Prius get during this trip?.\large\text=\$214 Check Your LearningĪ Toyota Prius Hybrid uses 59.7 L gasoline to drive from San Francisco to Seattle, a distance of 1300 km (two significant digits). This is typically accomplished by measuring the time required for the athlete to run from the starting line to the finish line, and the distance between these two lines, and then computing speed from the equation that relates these three properties: For example, consider measuring the average speed of an athlete running sprints. It is often the case that a quantity of interest may not be easy (or even possible) to measure directly but instead must be calculated from other directly measured properties and appropriate mathematical relationships. Use dimensional analysis to carry out unit conversions for a given property and computations involving two or more properties.Explain the dimensional analysis (factor label) approach to mathematical calculations involving quantities.By the end of this section, you will be able to:
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