Answer:
Cave-ins
Explanation:
The term excavation means any form of cuts, depression or trench by removing the surface of the earth. This process is intended primarily for the purpose of construction and maintenance or exploration. In this process there are many hurdles that pose danger to both human life and earth. The excavation workers face the great threat because of cave-ins. The collapsing of the earth's surface and random accidents prove to be very dangerous for the workers.
Which of the following are consequences of burning coal for energy? (mark all that apply) Check All That Apply A. increased levels of CO2 in the atmosphere B. increased heavy metals (lead and mercury) released into the air C. acidified rain D. increased radicals that deplete ozone in the stratosphere:
The following are consequences of burning coal for energy increased levels of CO2 in the atmosphere, increased heavy metals (lead and mercury) released into the air and Acidified rain. The correct options are a, b and c.
Burning coal produces a number of main emissions: Sulphur dioxide (SO2), which causes respiratory conditions and acid rain, Nitrogen oxides (NOx), which cause respiratory diseases and smog, Particulates that cause lung sickness, respiratory diseases, fog, and haze, The main greenhouse gas produced by burning fossil fuels (coal, oil, and natural gas) is carbon dioxide (CO2).
Mercury and other heavy metals have been associated with developmental and neurological harm in both humans and other animals. Power stations produce bottom ash and fly ash as byproducts of burning coal.
Learn more about coal, here:
https://brainly.com/question/12981477
#SPJ4
MAPP gas, natural gas, propane, and acetylene can be used with oxygen to cut metal.
True
False
An aluminum rod is press fitted onto an aluminum collar. The collar has an inner radius of 1 cm and an outer radius of 2 cm. Given the rod has a diameter of 2.01cm and the young's modulus of aluminum is 69 GPa
The question is incomplete. The complete question is --
An aluminum rod is press fitted onto an aluminum collar. The collar has an inner radius of 1 cm and an outer radius of 2 cm. Given the rod has a diameter of 1.01 cm and the young's modulus of aluminum is 69 GPa, determine the following :
1. the interference value, i
2. the radial pressure at the interference of the collar and the rod
3. the maximum effective stress in the collar
4. if the yield strength of aluminium is 200 MPa and assume a safety factor of 1.5, will the aluminium collar break
Solution:
Given :
Inner radius of the collar = 1 cm
So, inner diameter, \($d_1$\) = 2 cm
Outer radius of the collar = 12 cm
So, outer diameter, \($d_2$\) = 4 cm
The aluminium rod diameter, d = 1.01 cm
Now, from the figure, we can see that there will be no interference and so the rod will easily insert inside the collar.
1. So, the interference , i =0
2. The radial pressure is also 0.
3. There will be no stress developed. So the maximum effective stress is 0
4. The collar will not break
projective tests face the same drawbacks as other b-data tests, including that
Projective tests are a type of psychological assessment tool that involve presenting individuals with ambiguous stimuli, such as inkblots or drawings, and asking them to provide interpretations or responses.
While projective tests can provide useful insights into an individual's personality or thought processes, they are not without their drawbacks.
One of the main drawbacks of projective tests, as with other "b-data" tests (behavioral data), is that they are subjective in nature and rely heavily on the interpretation of the examiner. The responses and interpretations may be influenced by the examiner's biases, and there is no clear set of guidelines or criteria for scoring or evaluating the responses. This can lead to inconsistencies and inaccuracies in the results.
Another drawback of projective tests is that they are time-consuming and resource-intensive, requiring a trained examiner to administer and interpret the results. This can make them less practical for use in large-scale assessments or in settings where resources are limited.
Additionally, some individuals may feel uncomfortable or resistant to the ambiguous stimuli presented in projective tests, which can affect their responses and the accuracy of the results.
learn more about Projective tests here:
https://brainly.com/question/10379868
#SPJ11
In all vehicles, you can disconnect the electrical connector on the idle speed control system to prevent the PCM
from changing the idle speed.
Select one:
True
False
tech a says that a battery load test must be performed with the battery removed from the vehicle. tech b says that a battery load test should be performed when the battery is heavily discharged. who is correct?
Tech a says that a battery load test must be performed with the battery removed from the vehicle. Tech b says that a battery load test should be performed when the battery is heavily discharged. The correct technician is Technician A.
What is a battery load test?
Load testing your car battery may tell you if it is sufficiently charged, and it is simple to do using a voltmeter. Set your voltmeter to 20 volts or the highest number over 15.
Load testing a battery with an adjustable graphite pile battery tester is one approach for checking the status of its plates. A load tester applies a calibrated load to the battery and measures its response. The load is set to half the present battery's cold cranking amp (CCA) rating for 15 seconds.
Learn more about testing batteries:
https://brainly.com/question/14821588
#SPJ1
Can be used to eliminate rubbing friction of wheel touching frame. 1.Traction 2.Thrust washer
Answer:
thrust washer
can be used to eliminate rubbing friction of wheel touching frame
Following data refers to the years of service (variable x) put in by seven
specialized workers in a factory and their monthly incomes (variable y). x
variable values with corresponding y variable values can be listed as: 11 years of
service with income 700, 7 years of service with income 500, 9 years of service
with income 300, 5 years of service with income 200, 8 years of service with
income 600, 6 years of service with income 400, 10 years of service with
income 800. Regression equation y on-x is
Select one:
ay=3/4x+1
by=4/3x-1
y=3/4x-1
dy-1-3/4x
Based on the data given, the regression equation y on-x is y = 3/4x + 1.
The regression equation that represents the relationship between the years of service (x) and monthly incomes (y) for the specialized workers in the factory can be determined by analyzing the given data points. By examining the data, we can observe that the monthly income increases as the years of service increase. Calculating the regression equation using the given data, we find that the equation that best fits the relationship is:y = (3/4)x + 100
This equation indicates that for every increase of 1 year in service, the monthly income increases by 3/4 (0.75) units. The constant term of 100 represents the base income level. Therefore, the correct option from the given choices is ay = (3/4)x + 1.For more such questions on Regression:
https://brainly.com/question/14230694
#SPJ8
Distinguish and describe the stage of the product development life cycle reflected in the following scenario.
Mindy, a recent transplant to the Midwest from the Southwest, has a great idea for building a corn roaster and taking it to state and county fairs and festivals in Michigan and Minnesota. However, she determines that the cost to grow sweet corn throughout the year would be prohibitively expensive.
Answer:Very productive
Explanation:
The bonus rates for each salesperson are determined by sales amounts using the following scale: Sales greater than $35,000 earn a bonus rate of 5%, sales greater than $25,000 earn a bonus rate of 4%. All other sales (any amount greater than 0) earn a bonus rate of 2%. With the sheets still grouped, in cell C5 use an IFS function to determine the commission rate for the first salesperson whose sales are in cell B5. Fill the formula down through cell C8.
Assuming that cell B5 contains the sales amount for the first salesperson, the IFS function to determine the commission rate in cell C5 is:
=IFS(B5>35000, 0.05, B5>25000, 0.04, B5>0, 0.02)
This formula checks the sales amount in B5 against each threshold amount in descending order (starting with $35,000), and returns the corresponding bonus rate if the sales amount is greater than that threshold. If the sales amount is less than or equal to zero, it returns a bonus rate of 0%.
To fill the formula down through cell C8, select cell C5 and drag the fill handle down to cell C8. This will copy the formula to the other cells in the group, adjusting the cell references as needed.
Air initially at 120 psia and 500o F is expanded by an adiabatic turbine to 15 psia and 200o F. Assuming air can be treated as an ideal gas and has variable specific heat. a) Determine the specific work output of the actual turbine (Btu/lbm). b) Determine the amount of specific entropy generation during the irreversible process (Btu/lbm R). c) Determine the isentropic efficiency of this turbine (%).
Answer:
a) specific work output of the actual turbine is 73.14 Btu/lbm
b) the amount of specific entropy generation during the irreversible process is 0.050416 Btu/lbm°R
c) Isentropic efficiency of the turbine is 70.76%
Explanation:
Given the data in the question;
For an adiabatic turbine; heat loss Q = 0
For Initial State;
p₁ = 120 psia
T₁ = 500°F = 959.67°R
from table; { Gas Properties of Air }
At T₁ = 959.67°R
\(s_1^0\) = 0.74102 Btu/lbm°R
\(h_1\) = 230.98 Btu/lbm
For Finial state;
p₂ = 15 psia
T₂ = 200°F = 659.67°R
\(s^0_{2a\) = 0.64889 Btu/lbm°R
\(h_{2a\) = 157.84 Btu/lbm
we know that R for air is 0.06855 Btu/lbm.R
a)
The specific work output of the actual turbine Wₐ is;
W\(_a\) = \(h_1\) - \(h_{2a\)
we substitute
W\(_a\) = 230.98 - 157.84
W\(_a\) = 73.14 Btu/lbm
Therefore, specific work output of the actual turbine is 73.14 Btu/lbm
b)
amount of specific entropy generation during the irreversible process.
To determine the entropy generation \(S_{gen\);
\(S_{gen\) = ΔS = \(s_{2a\) - \(s_1\) = \(s^0_{2a\) - \(s_1^0\) - R ln(\(\frac{p_2}{p_1}\))
we substitute in our values
\(S_{gen\) = 0.64889 - 0.74102 - 0.06855 ln(\(\frac{15}{120}\))
\(S_{gen\) = 0.64889 - 0.74102 + 0.1425457
\(S_{gen\) = 0.050416 Btu/lbm°R
Therefore, the amount of specific entropy generation during the irreversible process is 0.050416 Btu/lbm°R
c)
Isentropic efficiency of turbine η\(_{is\)
η\(_{is\) = {actual work output] / [ ideal work output ] = (\(h_1\) - \(h_{2a\) ) / ( \(h_1\) - \(h_{2s\) )
Now, for an ideal turbine;
ΔS = 0 = \(s_{2s\) - \(s_1\)
so, \(s_{2s\) - s₁ = \(s^0_{2s\) - \(s_1^0\) - R ln(\(\frac{p_2}{p_1}\))
0 = \(s^0_{2s\) - \(s_1^0\) - R ln(\(\frac{p_2}{p_1}\))
\(s^0_{2s\) = \(s_1^0\) + R ln(\(\frac{p_2}{p_1}\))
we substitute
\(s^0_{2s\) = 0.74102 + 0.06855 ln(\(\frac{15}{120}\))
\(s^0_{2s\) = 0.74102 - 0.1425457
\(s^0_{2s\) = 0.59847 Btu/lbm°R
Now, from table; { Gas Properties of Air }
At \(s^0_{2s\) = 0.59847 Btu/lbm°R; \(h_{2s\) = 127.614 Btu/lbm
η\(_{is\) = [( \(h_1\) - \(h_{2a\) ) / ( \(h_1\) - \(h_{2s\) )] × 100%
we substitute
η\(_{is\) = [( 230.98 - 157.84 ) / ( 230.98 - 127.614 )] × 100%
η\(_{is\) = [ 73.14 / 103.366] × 100%
η\(_{is\) = 0.70758 × 100%
η\(_{is\) = 70.76%
Therefore, Isentropic efficiency of the turbine is 70.76%
Fast fourier transforms (FFT) are algorithms that speed up the computation of fourier coefficients compared to the traditional direct form discuss how the speed up is achieved
Answer:
Fast Fourier ( FFT ) algorithms speed up computation of Fourier coefficients by simply reducing the the computing time of a traditional direct form Fourier series. it achieves this by breaking complex DFTS into smaller DFTS to reduce its complexity and in turn reduce its computing time
Explanation:
Fast Fourier ( FFT ) algorithms speed up computation of Fourier coefficients by simply reducing the the computing time of a traditional direct form Fourier series. it achieves this by breaking complex DFTS into smaller DFTS to reduce its complexity and in turn reduce its computing time. an example of such FFT is Cooley-Tukey algorithm
8. Which of these plastics is a themoplastic - melts or softens with heat.
Acrylic
Bakelite
Polyester resin
Melamine
Epoxy Resin
Could someone please help me, this is very urgent, I will pay an extra bonus if done correct.
Answer:
Acryclic
Explanation:
Hope it helps you!
The beam is subjected to the two concentrated loads. Assuming that the foundation exerts a linearly varying load distribution on its bottom, determine the load intensities
�
1
w
1
and
�
2
w
2
for equilibrium if P=500 lb and L=12 ft.
To determine the load intensities, we need to first find the reactions at the supports of the beam. the load intensities are w1 = 125 lb/ft and w2 = 375 lb/ft for equilibrium if P = 500 lb and L = 12 ft.
Assuming the loads are applied at distances of x1 and x2 from the left support, the reactions at the supports are:
Sum of moments about the left support:
(R2)(12 ft) - (500 lb)(x2) - (1000 lb)(6 ft - x1) = 0
Sum of forces in the vertical direction:
R1 + R2 - 500 lb - 1000 lb = 0
Solving for R1 and R2 gives:
R1 = 750 lb
R2 = 750 lb
Now, to determine the load intensities, we can use the fact that the load distribution on the foundation is linearly varying. We can assume that the load intensity at any point along the beam is proportional to the distance from that point to the left support.
Let w1 and w2 be the load intensities at x1 and x2, respectively. Then:
w1 = (R1 - 500 lb)x1/6 ft
w2 = (R1 - 500 lb)(12 ft - x2)/6 ft
Substituting the values for R1 and solving for w1 and w2, we get:
w1 = 125 lb/ft
w2 = 375 lb/ft
Therefore, the load intensities are w1 = 125 lb/ft and w2 = 375 lb/ft for equilibrium if P = 500 lb and L = 12 ft.
learn more about load intensities here:
https://brainly.com/question/2253214
#SPJ11
How does the Center of Gravity of a Robot Relate to the Translational, Rotational, or Oscillatory Motion Associated with it?
The center of gravity, also known as the balance point or point of rotation when an object is permitted to freely rotate, is the average location of an object's weight.
Explain about the Gravity?All objects with mass are attracted to one another by the gravitational attraction, which has a magnitude that is directly proportional to the masses of the two objects and inversely proportional to the square of their distance from one another.
By means of gravity, a planet or other body pulls items toward its core. All the planets are maintained in their orbits around the sun by the force of gravity.
Any particle of matter in the universe will gravitate toward any other with a force that varies directly as the product of the masses and inversely as the square of the distance between them, according to Newton's law of gravity.
To learn more about Gravity refer to:
https://brainly.com/question/940770
#SPJ9
determine the force in member bc . state if this member is in tension or compression. express your answer to three significant figures and include the appropriate units. enter negative value in the case of compression and positive value in the case of tension.
The force in member BC is 2.60 AB.
How to determine the force in member BC?
Therefore, the force in member BC can be determined by resolving forces in horizontal and vertical direction.
Resolving forces in horizontal direction
ΣFx = 0-ABsin 45° + BCsin 30°
= 0BCsin 30°
= ABsin 45°BC
= AB (sin 45° / sin 30°)
= 3AB
Resolving forces in vertical direction
ΣFy = 0-AC - ABcos 45° - BCcos 30°
= 0AC
= - ABcos 45° - BCcos 30°AC
= - AB (1/√2) - 3AB(√3 / 2)
= - 2.232 AB
Now, the force in member BC can be calculated as:
FB = BC sin 30°FB= 3AB(sin 45° / sin 30°)(√3 / 2)
FB = 2.598 AB
Hence, the force in member BC is 2.60 AB and it is in tension. Therefore, the appropriate units will be applied to this answer, which are unknown.
Learn more about Force
brainly.com/question/13191643
#SPJ11
which section of business plan should be the bulk of the plan
Answer: Service and/or product line
What parts of ignition system that produce the high voltage?
Modern petrol engines employ ignition coils in all ignition systems for the same fundamental purpose: to produce the high voltage necessary to ignite a spark at the spark plug.
An electric spark is used in a gasoline engine's ignition system to start the fuel-air combination, which burns in the cylinders to create the motive force.
A storage battery, an induction coil, a device to timing high-voltage discharges from the induction coil, a distributor, and a set of spark plugs are the essential parts of the ignition system. The mechanism converts the low voltage electric current from the storage battery, which is typically 12 volts, to high voltage (some 40,000 volts). The distributor sends the high-voltage pulses in succession to each spark plug in the firing order.
To know more about ignition system:
https://brainly.com/question/14094081
#SPJ4
Now, you get a turn to practice writing a short program in Scratch. Try to re-create the program that was shown that turns the sprite in a circle. After you have completed that activity, see if you can make one of the improvements suggested. For example, you can try adding a sound. If you run into problems, think about some of the creative problem-solving techniques that were discussed.
When complete, briefly comment on challenges or breakthroughs you encountered while completing the guided practice activity.
Pls help im giving 100 points for this i have this due in minutes
Answer:
u need to plan it out
Explanation:
u need to plan it out
Answer:
use the turn 1 degrees option and put a repeat loop on it
Explanation:
u can add sound in ur loop
hãy trình bày sự hiểu biết của bạn về đo dòng điện
Answer:
-Khái niệm:
Đo dòng điện là sử dụng các dụng cụ như ôm kê, vôn kế, ampe kế, tần số kế… để xác định các đại lượng vật lý của dòng điện
-Đo lường điện để làm gì?
Phát hiện hư hỏng sự cố trong mạch điện và các thiết bị vi mạch
Xác định các giá trị cần đo
Đánh giá chất lượng của các thiết bị sau sản xuất
Xác định thông số kỹ thuật của thiết bị
-Phân loại dụng cụ đo điện: Hiên nay có 2 phương pháp phân loại chính
a. Theo nguyên lý làm việc
Dụng cụ đo kiểu điện từ
Dụng cụ đo kiểu điện động
Dụng cụ đo kiểu cảm ứng
Dụng cụ đo kiểu từ điện
b. Theo đai lượng, giá trị cần đo
+Đo điện năng: Ví dụ công tơ điện
+Đo điện áp: Ví dụ: Vôn kế
+Đo dòng điện: Ví dụ: Ampe kế
+Đo công suất: Oát kế
+Đo điện trở: Ôm kế
Sai số khi đo: Khi đo lường luôn xảy ra các sai số
Sai số tương đối: Là tỷ lệ % của sự chênh lệch giữa giá trị đo được và giá trị thự
Which option identifies the step skipped in the following scenario?
Eric is a newly hired engineer who has just ruined a prototype of a very expensive jet plane made from steel. He was short on time, so he rushed the molds of the body of the jet, causing them to crack. The cost incurred put the project far over budget.
He deviated from the design plans of the project.
He did not use the proper materials for the project.
He did not pay attention to the cost analysis of the project.
He did not allow the metal to cool properly when making molds.
Answer:
he didn't use the proper material
Answer:
A. He did not allow the metal to cool properly when making molds.
Explanation:
.Write a program that uses a void function void miles_to_km() to generate a kilometer
conversion table for all even kilometers from 2 miles to 62 miles. Use two decimal
places for kilometers.
Explanation:
rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
given a string s of characters, a subsequence of s, defined by the indices i 1, i 2, ..., i m , is said to be a repeated subsequence if you can find another sequence of indices j 1, j 2, ..., j m, such that s[i k]
Answer:
= s[j k] for all 1 <= k <= m.
In other words, a repeated subsequence is a sequence of characters within the original string that appears in the same order at least twice. The indices i1, i2, ..., im refer to the positions of the characters in the original string that make up the repeated subsequence, and the indices j1, j2, ..., jm refer to the positions of the same characters in the second occurrence of the repeated subsequence.
what is most delicious fod in the philippines?
Answer:
Well there are a lot of delicious food in the philppines but my most favorite is the Lechon, Adobo, Sisig, Chicken Curry, Crispy pata and Sinigang
Which saddle fusion stage is completed when you remove the heater plate face and visually inspect the heated ends, then join the fitting and pipe?
The stage of saddle fusion that is completed when you remove the heater plate face and visually inspect the heated ends, then join the fitting and pipe is the "heating and fusing" stage.
During the heating and fusing stage of saddle fusion, the heater plate is placed between the ends of the fitting and pipe, and they are heated to their melting point. Once the ends are heated, the heater plate is removed, and the ends are visually inspected to ensure that they have melted and are ready for joining.
After the ends have been inspected, the fitting and pipe are joined together by applying pressure to the molten plastic and holding them in place until the plastic cools and solidifies. This completes the heating and fusing stage of the saddle fusion process.
It is important to note that proper technique and equipment are crucial during this stage to ensure a strong, leak-free joint. Improper heating or fusing can result in a weak or defective joint, which can lead to leaks, contamination, or other problems. Therefore, it is essential to follow established procedures and use appropriate equipment when performing saddle fusion.
To know more about fusion visit:
https://brainly.com/question/31828954
#SPJ11
design a storage silo for soda ash for a water treatment plant with a design average day capacity of 0.23 m3/s. the maximum dose is estimated to be 106 mg/l as na2co3. the local supplier has current contracts with other municipalities that specify 99% purity and an average bulk density of 800 kg/m3. shipping time is normally 10 working days (assume 14 calendar days). assume all soda ash will be stored in one silo, and assume that the height of the cylindrical part of the silo is equal to the radius. the silo will be special-ordered, meaning it does not need to be a standard size. a. calculate the daily soda ash consumption (kg/d) b. is soda ash an interruptible or non-interruptible chemical? justify your answer. c. what is the mass (kg) of soda ash that will be stored on site? d. what is the volume (m3) of soda ash that will be stored on site? e. provide a dimensioned drawing (does not need to be to scale) of the lime silo. you do not need to include any of the recommended appurtenances (access hatch, dust collector valve, air vent).
Lime is used to remove chemicals that cause carbonate hardness. Soda ash is used to remove chemicals that cause non-carbonate hardness.
non-carbonate hardness-causing compounds.
How should you calculate your daily soda ash intake?
A) Maximum dosage of daily soda ash consumption equals average water demand.
For the average water demand and the maximum dosage, use 0.23m3/s and 106 mg/L, respectively.
Consumption of limes per day is( 0.23 m3/s) (1000 L/1 m³) ( 106 mg/L).
=(230L/s)(160mg/L)
=24380 mg/s (1 kg / 10⁶ mg) (86400 s/1 d)
=2106.432kg/d
Lime utilised is of 99% purity. Therefore,
(1/0.99)2106.432 kg/d of lime is consumed daily.
=2127.71kg/d
≈2128kg/d
b) A 10-day supply of an interruptible chemical should be available, plus 1.5 times the two-week shipping period.
The mass kept in storage is equal to 53,200 kg (2,128 kg/d) (10 d * 1.5 ×10d).
c) With a bulk density of 800 kg/m³, the amount of lime that needs to be stored is 53,200 kg / 800 kg/m³ or 66.5 m²
learn more about carbonate hardness. here:
https://brainly.com/question/1836801
#SPJ4
which statements about interiors and exteriors of the pyramid entrance at the louvre by i.m. pei and the metropolitan cathedral by oscar niemeyer are true?
The Pyramid Entrance at the Louvre by I.M. Pei has an interior made of glass and steel, while the exterior is made of glass panels and a steel framework while the Metropolitan Cathedral by Oscar Niemeyer has a circular shape, with a concrete exterior and stained glass windows.
The Metropolitan Cathedral by Oscar Niemeyer has a circular shape, with a concrete exterior and stained glass windows. The interior of the cathedral has a modern, minimalist design with a large central nave and seating for up to 5,000 people. Both structures have unique and modern designs that contrast with the classical architecture around them. The Louvre pyramid is a striking entrance that draws visitors into the museum, while the Metropolitan Cathedral is a landmark of modernist architecture in Brazil. The Pyramid entrance at the Louvre by I.M. Pei and the Metropolitan Cathedral by Oscar Niemeyer both feature unique and innovative designs. Both structures exhibit the architects' abilities to merge functionality and aesthetics, resulting in iconic architectural masterpieces.
To know more about, I.M. Pei and Oscar Niemeyer, visit :
https://brainly.com/question/9947894
#SPJ11
The results of a wind tunnel test to determine the drag on a body (see Fig. P5.69) are summarized below. The upstream (section (1)] velocity is uniform at 100 ft/s. The static pressures are given by p1 = p2 = 14.7 psia. The downstream velocity distribution. which is symmetrical about the centerline, is given by where u is the velocity in ft/s and y is the distance on either side of the centerline in feet (see Fig. P5.69). Assume that the body shape does not change in the direction normal to the paper. Calculate the drag force (reaction force in x direction) exerted on the air by the body per unit length normal to the plane of the sketch.
\(Fd = (1/2) * ρ * v^2 * Cd * A\), According to the velocity and pressure distributions in a wind tunnel test, the drag force a body exerts on the air per unit length normal to the plane of the sketch.
What is the drag force V formula?The drag force for small things (like a bacterium) travelling in a denser medium (like water) is determined by Stokes' law, Fs=6rv F s = 6 r v, where r is the object's radius, is the fluid's viscosity, and v is the object's velocity.
What is the Reynolds number equivalent of the drag force formula?Drag coefficients, CD, are displayed as a function of Reynolds number for a variety of bluff and streamline shapes. The drag force, FD = CDA(rU2/2), is based on this directly.
To know more about velocity visit:-
https://brainly.com/question/29521859
#SPJ1
Deduce the general exponential fourier series as derived in biomedical analog signals and systems
Answer:
Exponential Series
Explanation:
Answer:
\({ \rm{x(t) = a_{0} + \sum a_{k} \cos \omega t + \sum b _{k} \sin \omega t }}\)
\({ \tt{ a_{0} = \frac{2}{t} \int x(t) \: dx}} \\ \\ { \tt{ a_{k} = \frac{1}{t} \int x(t) \cos \omega t \: dx }} \\ \\ { \tt{ b_{k} = \frac{1}{t} \int x(t) \sin \omega t \: dx }}\)
The ________ of a fluid is its resistance to flow caused by its own internal friction.
Service rating
Pourability
Trickle effect
Viscosity