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class04.2_ps2

# class04.2_ps2 - Insure that all units cancel Check one last...

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1 Techniques for Error-Free Problem Solving Always sketch a picture of the physical situation. State any assumptions. Indicate all given properties on the diagram with their units. Convert units to a given unit system. Label unknown quantities with a question mark.

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2 Techniques for Error Free Problem Solving From the text, write the main equation that contains the unknown quantity. or derive the desired algebraic equation by solving integral or differential equations. Algebraically manipulate the equation to isolate the desired quantity.
3 Techniques for Error Free Problem Solving Write subordinate equations for the unknown quantities in the main equation. Indent to indicate that the equation is subordinate. It may be necessary to go through several levels of subordinate equations before all the quantities in the main equation are known. Once all algebraic manipulations and substitutions are made, insert numerical values with their units.

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4 Techniques for Error Free Problem Solving

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Unformatted text preview: Insure that all units cancel. Check one last time for sign error. Compute the answer. Clearly mark the final answer. Indicate units ! Test the final answer to see that it makes physical sense! Insure that all questions have been answered. 5 Skills used in Implementing Problem Solving Strategies Analysis ❑ Use logic to: ❑ Identify the system to be analyzed ❑ Identify the objective ❑ Identify relationships ❑ Divide the system into parts 6 Skills used in Implementing Problem Solving Strategies Synthesis Use creativity to: Develop ideas via brainstorming Evaluate the ideas by analysis when some or enough ideas have been generated. 7 Skills used in Implementing Problem Solving Strategies Decision Making Use logic to compare the various ideas and select the best one(s); Define “best” Generalization- Going from the specific to the broad use abstraction to: Aid in analysis, synthesis, and decision making...
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class04.2_ps2 - Insure that all units cancel Check one last...

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