Find the complete or particular solution of the followiing D.E.
1. y(x^2+xy-2y^2)dx+x(3y^2-xy-x^2)dy=0
2. (x+ysin y/x)dx-xsin y/x dy=0
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Unanswered Posts
A solid shaft made from copper is 90mm diameter and 8m long
A solid shaft made from copper is 90mm diameter and 8m long. If this shaft is joined to a 1.5m long solid steel shaft and 120mm diameter, estimate the maximum shear stress in each material and the total angle of twist of the entire shaft, if a torque of 20KN-m is applied to each end of shaft. GC=40GN/m2 G=90GN/m2
differential equation: given $f(x)$, show that $f(x)$, $f'(x)$, and $f''(x)$ are continuous for all $x$
Let
f1(x) = 1 + x^3 for x ≤ 0 ,1 for x ≥ 0
f2(x)= 1 for x ≤ 0, 1 + x^3 for x ≥ 0
f3(x)= 3 + x^3 for all x.
show that
a) f, f' , f", are continous for all x for each f1, f2, f3.
Homework About Torsion
The solid compound shaft, made of three different materials, carries the two torques shown. (a) Calculate the maximum shear stress in each material. (b) Find the angle of rotation of the free end of the shaft. The shear moduli are 28 GPa for aluminium, 83 GPa for steel and 35 GPa for bronze.
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Help please: $(1+e^x y+x e^x y) dx + (x e^x + 2) dy=0$
Help please.
(1+e^(x) y+x e^(x) y) dx + (x e^(x) + 2) dy=0
linear DE
tdx/dx = 6t(e^ 2t) +x(2t-1)
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analysis of truss
any idea how to analyze trusses? like in method of sections and method of joint thanks in advance
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Tension and stress of a chain lifting a beam
The 5m uniform steel beam has a mass of 600 kg and is to be lifted from the ring at B with the two chains, AB of length 3m., and CB of length 4m. a.)Determine the tension T in chain AB when the beam is clear of the platform. b.) stress if the cross-sectional area is limited to 500 mm2.
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More Topics on Dynamics
Please upload more examples and answers on Dynamics sirs maam Thanks in advance
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Differential Equations
3y-2yx^2 [ 1 + (ln (2x^3 / 3y^2))^2 ]dx - 2xdy =0
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