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Stopping distance

Stopping distance. Subtitle. Some Review questions and topics. You should know the content of these slides. Computations can be done on your calculator. Graphs and plots should be done on your calculator as well as paper. Consider the data below.

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Stopping distance

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  1. Stopping distance Subtitle

  2. Some Review questions and topics • You should know the content of these slides. • Computations can be done on your calculator. • Graphs and plots should be done on your calculator as well as paper.

  3. Consider the data below • In a study on speed control, it was found that the main reasons for the regulations were to make the traffic flow more efficient and to minimize the risk of danger. • Distance to required to stop at various speed is of much importance.

  4. What you should know: • What is the independent variable? • What is the dependent variable? • Do you expect a correlation between the variables? • List at least three other factors that affect braking distance.

  5. Construct a scatter plot. • Can braking distance be accurately predicted from speed? • Draw the regression line and state its equation.

  6. Use the context of the problem… • What does the y-intercept represent? • What does the slope represent? • How much distance should a driver allow if the car’s speed is at 55 mph? 65 mph?

  7. Finally: How much extra braking distance should a driver allow if his mama is next to him in the passenger seat and acting nervous by pressing her feet to the floor of the car and grabbing the door handle so tightly that her knuckles are whiter than teeth of a toothpaste model?

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