Trusses
Determine the support reactions.
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Unanswered Posts
solution needed
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Help please :( - Flange Bolt coupling
A flanged bolt coupling consists of two concentric bolt circles. One bolt circle consists of six 0.5-in-diameter steel bolts on a circle 9 inches in diameter and the other consists of eight 0.5-in-diameter steel bolts on a circle 12 inches in diameter. What is the shearing stress in the bolts if a torque of 7 kip-ft is to be carried by the assembly?
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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.
Need this badly today
What work is done on a level track in bringing the velocity of a train weighing 200metric tons from zero to 45 kph, if the frictional resistance at any velocity is 45N/ton, and if the change in speed is accomplished in length of 1000m? (Ans. 26780.95 KN/m)
C. If the track were a 1% upgrade, what would be the additional work to be done?
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could it be solvable?
Help me for the solution of this problem:
What should be the maximum dimensions of a rectangular open box of a given volume V?
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Engineering Mechanics
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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
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Sunk cost of a concrete mixer
A concrete mixer was bought for P30,000 six years ago. It will have a salvage value of P3,000 four years from now. It is sold now at P8,000. What is the sunk cost if the depreciation used is sinking fund method at 6%? Hint: sunk cost is the difference between the book value and the selling price.
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is it not…