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Homework Help: Science: Engineering

Recent Homework Questions About Engineering

M : Moncler Clearance, Moncler Outlet, Moncler Jac
ostalgia at their earlier days, despite the truth that it was basically only 15-20 years ago.But engineering changes quickly and for that reason these icons from the 80's are getting featured in art galleries like Gallery Nineteen Eighty 6 in Movie. The gallery elements pieces...

engineering
An aircraft flies at an altitude of 30,000 feet. Determine the air temperature (in [K]), air pressure (in [Pa]) and air density (in [kg/m3]) at this altitude, according to the standard atmosphere.

engineering physics
A hot air ballon is ascending at 12m/s and at 80 m above the ground, a package is dropped over teh sdie. How long does it take the package to hit the ground?

Mechanical Engineering
The equation for flow in a circular pipe for a special kind of fluid, called a "power-law" fluid is given by v=(delP/2mL)^1/n * (n/n+1)*[R^(n+1/n) - r^(n+1/n)] where m and n are constants of the fluid, and delP/L is the change in pressure per unit length and R is the radius of...

Science (soon if so)
Over the years technology has gotten a) smaller**** b) heavier c) less complicated d) more expensive What is nanotechnology? a) Nanotechnology is engineering new elements by changing their atoms***** b)Nanotechnology is a way to lengthen radio waves and improve cell phone ...

World History
Obstacles to Arab-Israeli peace 1. Ongoing violence by Hamas 2. Right of return for Palestinian refugees 3. Status of East Jerusalem Which ANSWERS best complete the chart above? a. access to international trade ports b. radical groups' rejections of Israel’s right to exist...

World History
Obstacles to Arab-Israeli peace 1. Ongoing violence by Hamas 2. Right of return for Palestinian refugees 3. Status of East Jerusalem Which ANSWERS best complete the chart above? a. access to international trade ports b. radical groups' rejections of Israel’s right to exist...

Engineering Systems
How the jack exerts a force?

erectlo chemistry
ADDIS ABABA UNIVERSITY ADDIS ABABA INSTITUTE OF TECHNOLOGY SCHOOL OF CHEMICAL AND BIO ENGINEERING Applied Electrochemistry WORKSHEET -1 1. Calculate the standard potential of each of the following cells. State which one(s), if any, will proceed spontaneously as written. a. Sn...

Engineering science
A boat start sailing on Monday 10:00 at harbour A and sails 600km due north. Later it turns east for a further 420km to reach harbour B on Tuesday at 12:00.a)find total displacement from A-B average. b)speed of the trip.c)average velocity

Probability
If the probability that the average freshman will not complete a 5 year engineering course is 2/5, what is the probability that 4 freshmen at least 3 will complete the 5 year course.

ENGINEERING GRAPHICS
construct a right angled triangle MNO ,having hypotenuse ON = 65 mm and the median from the angular point O, making the angle ODN with the hypotenuse = 40 degree.

ENGINEERING GRAPHICS
construct a right angled triangle MNO ,having hypotenuse ON = 60 mm and the sum of its base and its altitude = 55 mm.

engineering mechanics
a pabble is dropped from the top of the building on a glass at the ground, the sound of splash is heard after 5 second. if the velocity of sound is 330 m/ sec. find the height of the top of the building

Engineering Science N4
The diameter of the ram cylinder of a hydraulic press is 200mm. The stroke length of the plunger is 50mm. the effort on the plunger is 5% of the load. Calculate, i) the volume of the liquid needed per stroke if the load has to be lifted 60mm in 30 strokes, if the slip is ...

eec115 electrical and electronic engineering science
two capacitor having capacitance of 10uf and 5uf are connected in series and this combination is connected in parallel with a 20v supplies this parallel combination calculate the charge on each capacitor .the voltage across the 10uc capacitor.

Environmental Science
How is genetic engineering similar to traditional plant breeding? A) Both processes are used to produce desirable traits in crop plants. B) Both processes involve only allowing certain individuals to breed in a population to enhance passing of certain traits to future ...

Environmental Science
Which term is used to describe when genes are transferred from one species of crop plant to another to produce desirable traits such as pest resistance? A) Selective breeding B) Genetic engineering I think the answer is A

Art
Which of the following shared trait of artists and inventors allows an artist to render accurate images on canvas and an inventor to create a detailed model of a product A. knowledge of mathematics B. hand-eye coordination C. photographic memory******** D. knowledge of ...

calculus
In electrical engineering, a continuous function like f(t)=sin(t), where t is in seconds, is referred to as an analog signal. To digitize the signal, we sample f(t) every ∆t seconds to form the sequence Sn= f(n∆t). For example, sampling f every 1/10 second produces the ...

Software Engineering
Create an automatic question paper generator system in JAVA which involves Artificial Intelligence with the following requirements:  The system should generate a test paper automatically based on the difficulty level. For this create a fake data for 25 questions and collect...

Engineering Mechanics of Composite Materials
A long and thin circuit interconnect of thickness t=0.5mm is to be made from a unidirectional glass/epoxy composite material (E1=60 GPa, E2=10 GPa, V12=0.3 and G12=10 GPa). If the interconnect is subjected to a biaxial normal stress (in the fiber direction and its ...

engineering mathematics
A car is travelling along the road at 8m/s. It accelerates at 1m/s/s for a distance of 18meters. How fast is it then travelling

engineering mathematics
Write down 4 equations of horizontal linear motion and quantify them

engineering mathematics
A car of mass 500kg is travelling along a flat road. its engine provides a forward force of 300N. Air resistance is 200N. What will its acceleration be?

engineering mathematics
A cyclist of mass 60kg rides a bicycle of mass 20kg. When starting off, the cyclist provides a force of 200N. What is his acceleration?

Engineering Science N4
A box of books has a mass of 46kg and is being towed by a rope which is oriented at 15 degree to the horizontal at a point where it is tied into a knot. If the pulling force is increased until the box begins to slide, determine the box's initial acceleration if the coefficient...

Engineering
When we drive our car at 110 feet per​ second, we measure an aerodynamic force​ (called drag) of 61 ​pounds-force that opposes the motion of the car. How much horsepower is required to overcome this​ drag?

EDTECH
1. Which of the following could be an engineering project that could better protect the planet? -finding a new landfill site -designing a better trash compacter -deciding which product can be recycled*** -growing microbes that eat oil 2. Engineers who are working to find ...

Structures/Engineering
Design for flexure a simple beam 14 ft in length and having a total uniformly distributed dead load of 13.2 kips and a total uniformly distributed live load of 26.4 kips.

Engineering Physics Opt B
9. The flywheel shown in Figure 14.8 may be considered to be a steel cylinder (density 7800 kg m−3) of outer radius 40 cm and depth 12 cm, but with the central section (of outer radius 18 cm) missing. a. Use this simplification to estimate its moment of inertia. Ignore the ...

Science
1. One potential problem with genetic engineering? 2. I can genetic engineering never solve all of mans problems? 3. What are two biblical principles that must be considered when making decisions about human genetic engineering? Very much appreciated!

Engineering
If (y-2)hole power 3 = (y+2)hole power 3 then find the value of Y. a) -16 b) -4 c) O d) 4

engineering
b) The crank OA of a mechanism, as shown in the figure, rotates clockwise at 120 r.p.m. The lengths of various links are OA = 100 mm ; AB = 500 m ; AC = 100 mm and CD = 750 mm. Find by instantaneous centre method: 1. Velocity of point C. 2. Velocity of slider D. 3. Angular ...

Engineering science
A man throw a ball upward with velocity of 30m/s.1.5 seconds he throw anothe wih the same velocity. Identify at what high will te ball pass one another?

Engineering Mathematics-I
Find the area bounded by y=2x^2 and y^2=4x

Plz check
1. Blood type in humans is controlled by ____ alleles with an additional Rh factor that determines _________ . one; color two; positive or negative charge three; shape of blood cells four; phenotype 2. If two people are heterozygous for cystic fibrosis, what are the chances ...

Engineering science
A steel cylinder contains an ideal gas at 27°C. The gauge pressure is 140kPa. If the temperature of the container increases to 79°C, what is the new gauge pressure?

Software Engineering
When did you start "speech and Auditory interfaces" who made it? What are the programming languages that was used in its design? How are designed? Her examples?

Software Engineering
When did you start "speech and Auditory interfaces" who made it? What are the programming languages that was used in its design? How are designed? Her examples?

Civil engineering
Prove varignons theorem , with ex pls

science
Discuss current or future applications of nanotechnology in fields such as medicine, engineering, space exploration, fuel cell development, air and water purification, and agriculture.

Engineering
4. A rectangular enclosure is formed by using 800m of fencing. Find the greatest possible area that can be enclosed in this way and the corresponding dimensions of the rectangle.

Science
1. What type of reproduction results in offspring being identical to the parent? A)sexual reproduction B)genetic engineering C) unicellular D)asexual reproduction 2. Which of the following is an example of sexual reproduction? A)a lizard growing a new tail B)a chicken laying ...

engineering
During drilling of a deep oil well, the drill pipe got rigidly stuck. It was necessary to determine the depth at which the jamming occurred. The engineer ordered the pipe subjected to a large upwards tensile force, i.e., she pulled on it. As a result, the top of the pipe came ...

English
Can I use "one" for past tense in writing a technical paper such as engineering lab. Ex. So one can see the rocks form.

Engineering
If the cost of a .75 x 6.o x 19.0 sheet of ABS plastic is $18.00, what is the cost to make 20 parts? each part has a mass of .437lb.

Engineering
If the cost of a .75 x 6.0 x 19.0 sheet of ABS plastic is $18.00, what is the cost to make 20 parts?

Engineering/Physics
When gasoline is burned in the cylinder of an​ engine, it creates a high pressure that pushes on the piston. If the pressure is 150 ​pound-force per square​ inch, and it moves the 3​-inch diameter piston a distance of 6 centimeters in 0.1 ​seconds...

Engineering Linear Equation
At your initial meeting with your business partners for CellGenTech, you propose that the rate of change in the number of newly introduced cell lines that the company scientists should be able to produce should be proportional to the number of cell lines. The company initially...

spanish
Many job options for high school graduates in Honduras are in what field? A. agriculture B. english C. engineering* D. technology

Engineering Math
Assume that the number of fish P(t) after t years grows according to the logistic equation dP/dt= P(a-bP) = bP(300 − P) Find the solution of this DE (with the given initial value at t = 0) as a separable equation. Your solution formula will contain b as an unknown ...

Engineering Math Growth
I am having trouble figuring out where to start with this one. Biologists stocked a lake with 40 fish and estimated the carrying capacity (the maximal population for the fish of that species in that lake) to be 300. (a) Assume that the number of fish P(t) ...

Engineering Math
I don't know where to start on this one. A thermometer is taken from an inside room to the outside, where the air temperature is ten degrees Fahrenheit. After one minute the thermometer reads 40 degrees Fahrenheit, and after two minutes it reads twenty-five degrees Fahrenheit...

Engineering Math, Newtons Cooling Method
Newton's equation for a free falling object with air resistance of mass m kilograms says that its velocity v(t) satisfies the DE mv'(t) = mg - kv(t) where g = 9.8 \frac{m}{s^2} and v(t) is measured in \frac{m}{s}. Suppose that k=2 \frac{kg}{sec} and that a ball of mass m = 1 ...

Engineering Math
An unknown radioactive element decays into non-radioactive substances. In 120 days the radioactivity of a sample decreases by 59 percent. What is the half life of the element? How long will it take for a sample of 100 mg to decay to 77 mg? The answer is not 93 day, I ...

Engineering/Physics
The space shuttle fleet was designed with two booster stages. If the first stage provides a thrust of 5.25 ​Mega-newtons and the space shuttle has a mass of 4,530,000 ​pound-mass, what is the acceleration of the spacecraft in miles per hour​ squared?

biology
Both of the following processes represent what? A. A baker using yeast to make dough rise. B. Inserting human insulin genes into bacteria to make insulin for diabetics. biotechnology transgenic organisms genetic engineering all of the above

engineering
A cast-iron saucepan of mass 1.4kg is filled with 5L of water at 15°C, placed on an electric hotplate, and bought up to boiling point. What is the cost of the energy used if the electricity costs 10 cents per kWh and the hotplate has an efficiency of 70%.

Engineering science
A motorcycle accelerates from rest 5m/s until it reaches 72km/h.calculate the distance travelled by the motorcycle?

fire engineering science 300
Calculate the volume of one mole of gas at STP(Standard Temperature & Pressure). Given: P=101 325 Pa n=1mol R=8,31 J K-1 mol-1 T=273K Given: P1=785mm Hg P2=760mm Hg T1=293 K T2=273 K V1=60cm3

fire engineering science 300
A mass of a gas has a volume of 60cm3 at a temperature of 20°C and a pressure of 785mm mercury. Calculate the volume of a gas at STP(Standard Temperature & Pressure). Given: P1=785mm Hg.

biology
which of the following is consistent with the theory of vitalism ? A.all matter contains a vital force** b.the chemistry of life and nonlife are similar c. living things contain a vital force absent in nonliving things d. life must be sustsained through a series of chemical ...

biochemistry
which of the following is consistent with the theory of vitalism ? A.all matter contains a vital force** b.the chemistry of life and nonlife are similar c. living things contain a vital force absent in nonliving things d. life must be sustsained through a series of chemical ...

engineering mechanics (dynamics)
A 500 N weight is attached to a stiff rod of negligible weight that is hinged to one end. The rod is released from rest in horizontal position and allowed to swing freely in vertical arc. Through what angle with the horizontal must it swing to cause a tension in it of 1000N?

engineering mechanics
a 75kg person is standing on a board inclined at 30 angle type the horizontal .what are the magnitudes of gravitational components normal to the board and parallel to the board

engineering dynamics
Arocket is fired vertically up ward from alaunching pad b.it is flight is tracked by radar frompoint A, determine the velocity of the rocket in terms of distance ,teta, tetadot

engineering science
a lifting machine is used to lift a load up to a height of 800mm when an effort moves through a distance of 4 m

engineering science
A horizontal force of 230B is required to pull a trolley 39 m, at a constant speed across a horizontal surface in 40 sec.1 the work done 2. The speed of the trolley. 3. Power required

engineering science
An aeroplane can fly at 250 km/h in still air.How long will it take it to reach a plane 500 km to south-east if a wind is blowing at 80 km/h from west?

Engineering science
A ball is thrown upwards and reaches the ground once again after 7sec how can I calc the total distance covered by the ball.

Reaction Engineering
The irreversible elementary reaction 2A ---+ B takes place in the gas phase in an isothermal tubular (plug-Jlow) reactor. Reactant A and a diluent C are fed in equimolar ratio, and conversion of A is 80%. If the molar feed rate of A is cut in half, what is the conversion of A ...

Engineering science n3
a train with a mass of 120Mg accelerates uniformly on a horizontal track. The resistance to movement is 5N per kN mass of the train. The force in the draw bar is 30kN. Calculate: a) The force required for a constant speed b) The force that cause acceleration c)The acceleration

ELA
What are few questions and stuff that people or anyone would want to know about electrical engineering.... I need help writing 3 paragraphs based on that.

accounting principles
Success Systems had the following transactions and events in December 2015: Dec. 2 Paid $1,200 cash to Hilldale Mall for Success Systems’ share of mall advertising costs. 3 Paid $500 cash for minor repairs to the company’s computer. 4 Received $7,000 cash from Alex’s ...

Engineering
What are few things that people want to know about electrical engineering??

Journalism
List the things that people actually want to know about electrical engineering

ss
1. The Himalayas separate _________. (1 point) Pakistan and India the Indian subcontinent from the rest of Asia Afghanistan from the rest of South Asia northern and southern India 2. What impact do monsoon winds most have on South Asia? (1 point) Monsoon winds carry plenty of ...

Maths lit, life science, economics, geography
hey, I want to do medicine and civil engineering is this subjects are right? If not please tell me which career i can go to with this subjects after my matric? Thanks

social studies
1. The Himalayas separate _________. (1 point) Pakistan and India the Indian subcontinent from the rest of Asia Afghanistan from the rest of South Asia northern and southern India 2. What impact do monsoon winds most have on South Asia? (1 point) Monsoon winds carry plenty of ...

engineering
important of ict in electrical studies

algebra
Please help!!! Ray and Kelsey have summer internships at an engineering firm. As part of their internship, they get to assist in the planning of a brand new roller coaster. For this assignment, you help Ray and Kelsey as they tackle the math behind some simple curves in the ...

Algebra Help me Please
Someone please help me with this!!! Ray and Kelsey have summer internships at an engineering firm. As part of their internship, they get to assist in the planning of a brand new roller coaster. For this assignment, you help Ray and Kelsey as they tackle the math behind some ...

Science
1. Which of the following could be an engineering project that could better protect the planet? -finding a new landfill site -designing a better trash compacter -deciding which product can be recycled*** -growing microbes that eat oil 2. Engineers who are working to find ...

physics
An elevator cable can withstand a maximum tension of 1.83×104 N before breaking. The elevator has a mass of 420 kg and a maximum acceleration of 2.27 m/s2 . Engineering safety standards require that the cable tension never exceed two-thirds of the breaking tension

Software Engineering
Consider the following program (written in pseudo-code) begin x:= 0; y:= 1; z:= 1; while y <= n do x:= x+1; z:= z+2; y:= y+z; od sqrt := x; end Prove the partial correctness of the program with respect to the following predicates: Pre: {n>=0} Post: {sqrt2 <= n and n &...

engineering mathematics
use modified newton's raphson method to indicate the solution correct to 6 decimal places near to x=2 of the equation x^3-6x^2+13x-9=0

Maths Lit, Geography, English, LO, EGD, Afr.
I am very good at Geo and EGD. Because I didn't take Physical Science, I cannot get into varsity for any engineering degree courses. Can you make alternative career choices available that might include these two subjects?

engineering economics
A) A company has issued 10-year bonds, with a face value of $1,000,000 in $1000 units. Interest at 8% is paid quarterly. If an investor desires to earn 12% nominal interest (compounded quarterly) on $10000 worth of these bonds, what would the purchase price have to be? (5.3) B...

transportation engineering
on the same Lane of a road a car A is following car B at a center distance of 25 m. both cars are traveling at a speed of 100 kmph when car A attempts to overtake car B at a uniform acceleration of 0.8 m/s^2.after traveling for 5 sec at that acceleration rate to overtake car B...

chemical engineering technology
a gas cylinder contains N2 at 200 Kpa and 80°C as result of cooling the pressure drop to 190 Kpa and 30°C. how much work was done on the gas? can i please a solution for that equation.

Engineering science
2. A wooden block slides directly down an inclined plane, at a constant velocity of 6 m/s. a. How large is the coefficient of kinetic friction if the plane makes an angle of 25 degrees with the horizontal? b. If the angle of incline is changed to 10º, how long far will the ...

Engineering Accounting
A car may be purchased with a $3500 down payment now and 72 monthly payments of $480. If interest rate is 12% compounded monthly, what is the price of the car?

engineering
If you were creating a bike exercise machine, how would you electronically track the movement of the legs while pedaling?

electrical electronics engineering
I was give an assignment to be submitted on 9th of march please help out topic write a term paper on "MySQL database engines: an overview of MyISAM and InnoDB". Pls help out

engineering
an overview of MyISAM and InnoDB

World History
Name the engineering marvel which connects the Atlantic Ocean with the Pacific Ocean. Panama Canal?

Urgent! PLZZ HHEELLPP!!
8. Which answer best describes a main benefit of the Transcontinental Railroad? A.) It proved to the world that the United States was capable of great feats of engineering B.) It created safe, high-paying jobs for immigrants who wanted to work building the railroad C.) It ...

Grade 8 Art
Designing a World: Engineering Movies The cinematographer works with what other professional to plan how each scene will be filmed and lit? A.Production designer B. Director*** c.Graphic Artist D. Screenwriter 2.Movie professionals such as props designers and graphic designers...

History
Which answer best describes a main benefit of the Transcontinental Railroad? A.)It proved to the world that the United States was capable of great feats of engineering. B.)It created safe, high-paying jobs for immigrants who wanted to work building the railroad. C.)It created ...

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Homework Help: Science

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