Recent content by gills

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    Creating a timing correction factor for weight differences in karting

    Ok, I've come to the realization that analyzing cornering is ridiculously difficult. In order for me to do it accurately at all, i need actual test data of the tires themselves.
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    Creating a timing correction factor for weight differences in karting

    Unfortunately i can't do experiments. If i could, i wouldn't be doing this:) I have straight line compensation already as i mentioned in my original post and the time difference of lifting our weights 6ft with 6.5hp. It's obviously not quite 6.5hp due to driveline inefficiencies, so I may...
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    Creating a timing correction factor for weight differences in karting

    Hey all, this is long so read if you like anything to do with motorsports and let me know what you think. My friends and I (currently in junior year as ME student) are going to a high performance karting facility for some good racing and I wanted to do something as a fun little project...
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    Current in wire loop inside a solenoid

    ok, nevermind on that one. Would i just be changing the area of the loop from the equation i derived in the first problem or is there more to it?
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    Current in wire loop inside a solenoid

    ok, got the first part. What about when there's a loop that is larger than the solenoid? Would the current in that loop be zero since the magnetic field outside of solenoid is almost neglible? The diameter of the larger loop is 19.5cm
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    Current in wire loop inside a solenoid

    ok this is what I've got dB/dt = \mu_{0}*n*\frac{dI}{dt}
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    Current in wire loop inside a solenoid

    how do i treat the current since it is given per unit time? That is throwing me off. B(solenoid) = \mu_{0}*n*I ---> ??
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    Current in wire loop inside a solenoid

    bump^^
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    Current in wire loop inside a solenoid

    Homework Statement A 2.1m -long solenoid is 13.0cm in diameter and consists of 2200 turns of wire. The current in the solenoid is increasing at the rate of 1.0 kA/s . The Attempt at a Solution Any help to point me in the right direction would be great. I'm thinking that i need to...
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    Magnetic field and current of solid wire

    SOLVED! thanks (again) Doc
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    Magnetic field and current of solid wire

    gotcha, haha. Thanks for the help, i'll let you know if i get it.
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    Magnetic field and current of solid wire

    it's correct, thank you.. For part B, using ampere's Law i came up with (\mu(0)*J(0)*R^2)/6r which came out to be correct. Now for part C, do i need to integrate again since the current surrounded will not be from the whole wire? or I'm just replacing R with r for the total current now...
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    Magnetic field and current of solid wire

    ahhh indeed! i've got I = J(0)*((pi*R^2)/3))
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    Magnetic field and current of solid wire

    circumference is 2pi*r Would dA be 2pi*r dr? why the need for the circumference?
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    Magnetic field and current of solid wire

    ok, i actually integrated only J from 0 to R then multiplied by the area after the integration. So i'll integrate what you said. so DA = (pi*r)dr ??
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