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/sci/ - Science & Math


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5075476 No.5075476 [Reply] [Original]

R = ∫ q dx
_
X = 1/R ∫ qx dx
_
Can /sci/ figure out what R = ?, and X = ?

>> No.5075498

>>5075476

bump for civil engineer help me build this bridge

>> No.5075512

cant really say much more about R and X without knowing what q actually is. I mean...you have the formulas right there, and normal person would just solve them if they had all the pieces, right?

>> No.5075559

>>5075512

ignore q. just help me with the rest please.

>> No.5075580

>>5075559

What "rest" ?
you can't just ignore q. For instance,
R1 = 1/2 * L/3 * q = 1/6qL
R2 = 1/2 * 2L/3 * q = 2/6qL
R = R1 + R2 = 2/6qL + 1/6qL = 1/2ql.

Now, can someone help me find the distance between A and R's "attack point", also known as:
_
X = ???

>> No.5075585

>>5075580

That's wrong

>> No.5075591

>>5075580

that looks sketchy to me

>> No.5075630

>>5075580

come on dude, don't give me that half-baked crap. either help me or get out of the thread?

thank you.

>> No.5075631 [DELETED] 

>>5075630

Ungrateful piece of shit.

Do your homework alone.

>> No.5075645

>>5075631
Agreed, but it's not his homework, it's my homework, he's just a troll, and its not homework either, i'm just trying to understand how to calculate R and X when the load isn't evenly distributed

>> No.5075648

>>5075631

either help or stifle yourself.

flaming is a rule violation in /sci/ i will not report you this time you get a second chance to leave like you have some manners.

>> No.5075661

Yes, and if it helps, the correct answers are R=qL/2 and ¨x = 4L/9.
If someone could show me the method.

>> No.5075744
File: 341 KB, 2048x1536, A.jpg [View same] [iqdb] [saucenao] [google]
5075744

>> No.5075749
File: 305 KB, 2048x1536, B.jpg [View same] [iqdb] [saucenao] [google]
5075749

i Suppose that is isostatic