Physics II workshop_Part_29

# Physics II workshop_Part_29 - The model When an object has...

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60 The model When an object has reached terminal velocity, the downward pull of gravity exactly balances the upward push of air resistance: That means that you can calculate the force of air resistance easily, if you know the mass of the falling filters. Now, your job is to determine which of these relationships between the force of air resistance and velocity is a better fit to your measurements. A good way to see if measurements match a theory is to make a graph on which the theory predicts there should be a straight line: If the data lie in a line on the graph, then they agree with the theory. The slope of that line must correspond to the symbol m in the equation, and the y-intercept of the graph must correspond to the symbol b . a. If you wanted to test the first theory, in which air resistance goes like velocity, what variable should you put on the x-axis of a graph? What variable would go on the y-axis of the graph? b.

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## This note was uploaded on 11/26/2011 for the course PHY 2053 taught by Professor Lind during the Fall '09 term at FSU.

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Physics II workshop_Part_29 - The model When an object has...

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