Differential Equation
(xy + (y/x) + (3/x) -2) dy + y2 dx = 2(1+(y/x))dx
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Unanswered Posts
Mechanics of Machines 2
can anyone help with Hoists and Haulages in engineering mechanics?
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mechanices dynamic questions: resistance to take off
the jet fighter has a mass 6450kg reguries 10 seconds from rest to reach its take off speed 250km/hr under the jet thrust t 48KN compute resistance "R" during take oof?
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Calculus
answer this;
find the derivative of y= root 3√2x-7
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Algebra
A company has a certain number of machines of equal capacity that produced a total of 180 pieces each working day. If two machines breakdown, the workload of the remaining machines is increased by three pices per day to maintain production. Find the number of machines?
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Trusses
Determine the support reactions.
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Nominal rate of a quarterly payment
At what nominal rate compounded quarterly will payments of P800 quarterly for 5 years discharge all liabilities of a debtor who borrows P14,000 today?
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Need this badly today
17. At what speed must a 1000kg car approach a ramp which has a slope and 12m high at the top such that it will just coast to the top. Assume the constant retarding force due to friction, wind, etc. to be 60kg.
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differential equation: Show that if f and f' are continuous on a ≤ x ≤ b then f and f' are linearly independent on a ≤ x ≤ b
Show that if f and f' are continuous on a ≤ x ≤ b and f(x) is not zero for all x on a ≤ x ≤ b,
then f and xf are linearly independent on a ≤ x ≤ b.
Problem of finite element analysis(urgent)
Consider the truss system shown in Fig. 2 modelled by three elements. The element numbers are shown in brackets. The node numbers are as indicated in the figure. Suppose that all the trusses have a cross sectional area of A = 0.1 m2 and Young’s modulus E = 70 GPa. Determine the displacements at all the nodes if the force P = 2000 N. The length L = 2 m.
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