Recent content by Abe21599

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    Calculating Acceleration and Tension in a Pulley System

    sorry its late and my brains not working or else id help, but i just wanted to say 2 years ago i took 131 with dongping too lol does this help? http://www.sparknotes.com/testprep/books/sat2/physics/chapter8section2.rhtml
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    How Do I Calculate Equivalent Resistance Without Voltage?

    equivalent resistance doesn't depend on the voltage. just add the resistors (using parallel and series) to obtain Req also note its easier to start from the farthest point from the battery
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    Solving Substitution Problem: \int (x2 +2x +1)e^(-ln(x+1)) dx

    http://www.wolframalpha.com/input/?i=integrate++%28x2+%2B2x+%2B1%29e%5E%28-ln%28x%2B1%29%29+dx and clicking on show steps will help out too
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    Principal Virtual Work vs Principal of Minimum Potential Energy

    Thanks for the detailed response. that definitely clears up a lot of things.
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    Principal Virtual Work vs Principal of Minimum Potential Energy

    Hello Just had a quick question for a structures class. When attempting a problem, what's the main difference between applying PVW and PMPE? What would classify a problem in using one over the other? Thanks
    • Abe21599
    • Thread
    • Energy Minimum Potential Potential energy Virtual Virtual work Work
    • Replies: 2
    • Forum: Mechanics
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