Phys2A_F07_Lecture_05

Phys2A_F07_Lecture_05 - W. P. Beyermann Fall 2007 1...

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Unformatted text preview: W. P. Beyermann Fall 2007 1 Developing a Good Problem-Solving Strategy Representations of Knowledge Verbal representation Pictorial representation Physical representation Graphical representation Mathematical representation W. P. Beyermann Fall 2007 2 Pictorial Representation A rocket sled accelerates at 50 m/s 2 for 5 seconds, then coasts for 3 seconds. What is the total distance traveled? W. P. Beyermann Fall 2007 3 Problem-Solving Strategy Model Think about what information is given and what you want to find. (i.e., what are the relevant parts of the problem.) What are the simplifying assumptions (i.e., particle model)? Visualize Draw a pictorial & physical representation of the problem. You can go back and forth between these representations. Solve Develop a mathematical representation. The visualization step should help with this process. Assess Crap detection. After you are done, step back and ask Does it make sense? Are the units correct? W. P. BeyermannW....
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Phys2A_F07_Lecture_05 - W. P. Beyermann Fall 2007 1...

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