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Ad libitum [116K]
3 years ago
8

Determine the resultant horizontal and vertical force component that the water exerts on the side of the dam. The dam is 25 ft l

ong and specific weight = 62.4 ib/ft cubed. Diagram is located at:_________

Engineering
1 answer:
Leya [2.2K]3 years ago
3 0

Answer:

Your question is not complete. However, i have provided the missing part both the diagram and remaining data as stated in attached full.

Resultant vertical force component is 260005.2 Ibs

Resultant horizontal force component is 487500 Ibs

Explanation:

From P = Specific Weight * height

P = 62.4 * 25 = 1560Ib/ft^2

Then, W = P * Z

W = 1560 * 25 = 39000Ib/ft

Resultant forces

Let the base length be 10ft

A = 2/3 (a*b)

A = 2/3 (10* 25) = 166.67ft^2

Resolving vertical component

F vertical = Specific weight * Volume

F vertical = 62.4 (166.67 * 25)

F vertical = 260005.2 Ibs

Resolving horizontal component

F horizontal = 1/2 (W * height )

F horizontal = 1/2 ( 39000 *25)

F horizontal = 487500 Ibs

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Select the correct answer. The most frequent maintenance task for a car is: A. Oil changes B. Tire replacements C. Coolant chang
abruzzese [7]

Answer:

  A. Oil changes

Explanation:

It depends on the car and its usage and environment. Usually oil is supposed to be changed every few months, more often if the car is driven a lot. Coolant changes may be indicated as seasons change, so will generally occur less frequently than oil changes.

Tire and brake replacement depend on usage and driving habits. Some owners may never have to replace either one, if they trade their car every year or two. Folks who drive with their foot on the brake pedal may have to replace brakes relatively often.

The most frequent task is generally oil changes.

5 0
3 years ago
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Dampness or moisture introduces ____ into the weld, which causes cracking when some metals are welded.
N76 [4]

Answer: Dampness or moisture introduces hydrogen into the weld, which causes cracking when some metals are welded.

Explanation:

<em>This moisture (hydrogen) is a major cause of weld cracking and porosity. </em>

5 0
2 years ago
A 11.5 nC charge is at x = 0cm and a -1.2 nC charge is at x = 3 cm ..At what position or positions on the x-axis is the electric
diamong [38]

Answer:

Explanation:

Given

q_1=11.5\ nC charge is placed at x=0\ cm

another charge of q_2=-1.2\ nC is at x=3\ cm

We know that Electric field due to positive charge is away  from it and Electric field due to negative charge is towards it.

so net electric field is zero somewhere beyond negatively charged particle

Electric Field due to q_2 at some distance r from it

E_2=\frac{kq_2}{r^2}

Now Electric Field due to q_1 is

E_1=\frac{kq_1}{(3+r)^2}

Now E_1+E_2=0

\frac{k\times 11.5}{(r+3)^2}\frac{k\times (-1.2)}{r^2}=0

\frac{3+r}{r}=(\frac{11.5}{1.2})^{0.5}

\frac{3+r}{r}=3.095

thus r=1.43\ cm

Thus Electric field is zero at some distance r=1.43 cm right of q_2

3 0
3 years ago
The amplitudes of the displacement and acceleration of an unbalanced motor were measured to be 0.15 mm and 0.6*g, respectively.
ehidna [41]

Answer:

The speed of shaft is 1891.62 RPM.

Explanation:

given that

Amplitude A= 0.15 mm

Acceleration = 0.6 g

So

we can say that acceleration= 0.6 x 9.81

acceleration,a=5.88\ \frac{m}{s^2}

We know that

a=\omega ^2A

So now by putting the values

a=\omega ^2A

5.88=\omega ^2 \0.15\times 10^{-3}

\omega =198.09\ \frac{rad}{s}

We know that

  ω= 2πN/60

198.0=2πN/60

N=1891.62 RPM

So the speed of shaft is 1891.62 RPM.

                                               

       

4 0
3 years ago
Consider a simply supported rectangular beam with a span length of 10 ft, a width of 8 in, and an effective depth of 20 in. Norm
yulyashka [42]

Answer:

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8 0
2 years ago
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