DE
(x²+4) y' + 3 xy = x
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Unanswered Posts
Shear and Moment in Frames
Ask ko lang po? Bat wala po kayong Shear and Moment in Frames?
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Net Present Worth analysis
How do you calculate NPV for a model with single payment compound amount scenario.
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kindly help; limit analysis
1434 (fl. singer 4th edition)
Determine the maximum torque that can be applied at 1.0 m from the right end of the shaft, without causing excessive rotation.
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truss: simply supported right-angle triangle truss
A simple supported right-angle triangle truss of 1/2( 5 x 12 ) meter square, is subjected with 50KN and 25KN at the mid-span and top end of the truss respectively. The truss is having two internal members one acting horizontal at the mid-span and the other acting diagonal from support A to joint at a point on the slanted side of right angle triangle.
Taking into account that the pined support is on the right and the roller on the left.
You are required to check the determinant and compute the reactions of this truss.
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Applications Of Differential Equations
The radial stress p at distance r for the axis of the thick cylinder subjected to internal pressure is given by p + r (dp/dr) = A − p where A is a constant. If p = p0 at the inner wall r = r1 and is negligible (p = 0) at the outer wall r = r2 find an expression for p.
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Differential Equation
(xy + (y/x) + (3/x) -2) dy + y2 dx = 2(1+(y/x))dx
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Differential Equation: [ e^(2y) - y cos (xy) ] dx - y(1 - x^2) dy = 0
Please help me again to solve this.
(e2y-ycosxy)dx-y(1-x2)dy=0
Differential Equation
find a general solution
dx/dy =[ -2x (csc 2y – 2x3 cos 2y)] / sec 2y
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Dynamics
Hi! Pahelp please? Anyone who has a good heart huhuhu. I badly need your help. Anyone who can answer this? I mean with the process.
The collar has a mass of 3kg and is supported on the rod having a coefficient of kinetic friction Uk=0.4. The attached spring has an unstretched length of 0.2m and stiffness k=50N/m. Determine the speed of the collar after the applied force F=200N causes it to be displaced s=1.5m from pt. A. When s=0 the collar is held at rest?
What is the process?
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