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How can models be used to find out physics information?

posted Mar 13, 2020, 10:12 AM by Barbara Fortunato   [ updated Mar 13, 2020, 10:20 AM ]
T 3/17 (e-learning)

Today, you'll take your lab data and do your final analysis.  You should have a graph with three data points.  Plot the points on a piece of graph paper.  Linearize the graph if necessary.  How do you extract the coefficient of kinetic friction from the best fit line?  You should not be finding the coefficient using particular data points and averaging!  That is not the way we do science!  Upload pictures of your progress to Google Classroom.  Only hand-drawn graphs and analyses will be accepted.  Also, in a separate document within the assignment, answer the question to the reflection and also upload this document to TurnItIn.com.

 II. Reflect: Why did we do this lab?
  1. Explain how knowing the coefficient of friction between the tire and the road helps the police department to determine the speed of a vehicle before the collision using the length of skid marks. 

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