Friction
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Unanswered Posts
Mech2
Find each member. (method of sections)
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Basic Cal.
Hi! I need help with these.
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DE
(x²+4) y' + 3 xy = x
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Present Economy
The Philippine Institute of Civil Engineers is planning to construct its own building. Two proposals are being considered:
(a) The construction of the building now to cost PhP 400,000.00
(b) The construction of a smaller building now, to cost PhP 300,000.00 and at the end of 5 years, an extension to be added to cost PhP 200,000.00
Which proposal is more economical if interest is 20%, depreciation is disregarded and by how much?
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DYNAMICS
A balloon rises from the ground with a constant acceleration of 4ft per sec^2. Five seconds later, a stone is thrown vertically up from the launching site. What must be the minimum initial velocity of the stone for it to just touch the balloon? Note that the balloon and stone have the same velocity at contact.
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The Chain Rule Explained: Don't Just Memorize, Visualize It
Many students struggle with the Chain Rule because they get lost in the notation of f(g(x)) and dy/dx = (dy/du) * (du/dx). Let's break down what it actually means in plain English.
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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Enginnering Mechanics/Statics/Friction
Can anyone answer this?
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Engineering Economy
Juan plans to raise a new building of 1 million. He raise the building by issuing 10%, 20 yr bond that would pay one hundred fifty thousand interest per year an repay the amount of maturity he can least it for Php 140,000 per year. First payment being due one year from now. The building has an expected life of 20 yrs. ignoring effects on income tax, what is the difference between buying the building and leasing it?
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Recent comments
is it not…