Friday
May 6, 2016

Homework Help: Science: Engineering

Recent Homework Questions About Engineering

engineering
important of ict in electrical studies
Thursday, April 28, 2016 by benjamin

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 ...
Tuesday, April 26, 2016 by Legend

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 ...
Tuesday, April 26, 2016 by Riley

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 ...
Monday, April 25, 2016 by Julia

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
Thursday, April 21, 2016 by raj

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 &...
Thursday, April 21, 2016 by Jack

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
Friday, April 15, 2016 by ayooluwa

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?
Thursday, April 14, 2016 by Tanner Gibson

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...
Tuesday, April 12, 2016 by lolong

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...
Saturday, April 9, 2016 by rajat

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.
Monday, April 4, 2016 by Oliveira

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 ...
Monday, April 4, 2016 by Bombwe

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?
Wednesday, March 23, 2016 by Anonymous

engineering
If you were creating a bike exercise machine, how would you electronically track the movement of the legs while pedaling?
Monday, March 7, 2016 by bortheo

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
Monday, March 7, 2016 by kaycee

engineering
an overview of MyISAM and InnoDB
Monday, March 7, 2016 by john

World History
Name the engineering marvel which connects the Atlantic Ocean with the Pacific Ocean. Panama Canal?
Sunday, February 28, 2016 by Boberto

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 ...
Friday, February 26, 2016 by TESSA

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...
Wednesday, February 24, 2016 by Reign

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 ...
Wednesday, February 24, 2016 by #FreeGucci

engineering science
A solid cylinder rolls from rest down an incline 6m high without slipping. calculate the linear velocity at the foot of the plane
Monday, February 22, 2016 by David

History
In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. 1. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail of Tears 2...
Friday, February 19, 2016 by #FreeGucci

Engineering
A perfect coin should produce heads and tails with equal probability. If we assign the number 0 toheads and the number 1 to tails, then we can mimic such a perfect coin in Matlab. Specifically, we cangenerate N “coin flips” in Matlab by doing x= (rand(N, 1) < 0.5...
Wednesday, February 17, 2016 by Sophie

Physics/Eletrical engineering
Which of the following is a conducting loop in which electrons carrying electric energy may be transferred from a suitable source to do a useful work and returned to the source? a.) Direct current b.) Indirect current c.) Electric circuit d.) source of energy
Wednesday, February 17, 2016 by A-Yo

Enriched science
Which of the following would be an engineering project that could help protect the planet? A. Finding a new landfill site B. Designing a better trash compactor C. Deciding which products can be recycled D. Growing microbes that eat oil
Wednesday, February 17, 2016 by Rhyleigh

environmental engineering
A lake receives 8 m3/s of inflow containing 0.3 mol/m3 of a chemical. The chemical reacts with a first order rate constant of 0.01 h-1. The outflow from the lake is also 8 m3/s. Assume there was no chemical in the lake at the beginning and volume of the lake is 106 m3. What ...
Wednesday, February 10, 2016 by Sam

environmental engineering
Pesticide is applied to a 10 ha (hectare) field at an average rate of 1 kg/ha every month. The soil is regarded as 20 cm deep and well-mixed. The pesticide evaporates at a rate of 2% of the amount present per day and it degrades microbially with a rate constant of 0.05 day-1. ...
Wednesday, February 10, 2016 by Sam

Engineering
The density of gasoline is 0.72 grams per cubic centimeter. What is the mass in units of kilograms of a 5-gallon container filled completely with gasoline? Ignore the mass of the container.
Sunday, February 7, 2016 by Seth

engineering
In many engineering uses, the value of �g�, the acceleration due to gravity, is taken as a constant. However, g is actually dependent upon the distance from the center of the Earth. A more accurate expression for g is: g=g0(Re/Re+A)^2 Here, g0 is the ...
Sunday, January 31, 2016 by Seth

Electronics Engineering Technology
5) A microwave transmitter typically requires a +8dBm audio level to drive the input fully. If a +10dBm level is measured, what is the actual voltage level measured? Assume a 600Ω system.
Sunday, January 24, 2016 by Jose Luis

engineering science
calculate the work done required to push a car for 420 meters up an melon the force required to push the car is equal to 615n
Friday, January 22, 2016 by brian

social studies
The mestizo resulted from? Aztec engineering. The blending of Aztec and Spanish people. The adoption of Aztec language by the Spanish. The building of floating gardens. (MY ANSWER)
Thursday, January 21, 2016 by LOVE

Health and science
Explains the science, technology, engineering and/or mathematics behind a solar cooker that work day and night and how could a solar cooker that works day ajd night both address the everyday problems and have a broader impact locally or globally.
Tuesday, January 19, 2016 by Anonymous

mechanical engineering
discribe with the aid of diagram skeches the three types of oxyacetylene plate.
Saturday, January 16, 2016 by yakubu

HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Multiple Choice 1. How did the Haitian Revolution impact the history of the United States? (1 point) • It brought the United States into a war with Spain over Cuba. • France no longer had Haiti, so Napoleon was willing to sell Louisiana. • Slave owners in the ...
Monday, January 11, 2016 by Miranda Lambert

engineering maths. need answer asap
A railway wagon of mass 15 t is moving along a level track at 10 km/h when it collides and couples together with a second wagon of mass 30 t moving in the same direction at 5 km/h. if the two wagons couple together after the impact, what would be their common velocity?
Monday, January 4, 2016 by wahis

material science
What is the different between material science and material engineering?
Sunday, January 3, 2016 by mohammed umaru

Social Studies
1. When people talk about natural resources, they usually mean (1 point) vegetation. water. minerals. all of the above•• 2. Geothermal energy is considered a (1 point) fossil fuel. renewable resource.•• nonrenewable resource. recyclable resource. 3. ...
Monday, November 30, 2015 by Mary

Mechanical engineering
An I section beam of 4m length with end supports is required to carry a point load of 50 KN at its mid pint. The maximum bending stress is limited to 85 MPa, and Modulus of Elasticity of the steel s 200 GPa. Evaluate maximum bending moment that will be applied, and state its ...
Thursday, November 26, 2015 by Danny

Mechanical Engineering
a string ABCD is attached to two fixed points A and D, has two equal weights of 1000N attached to it at B and C. the weight rest with portions AB and CD inclined at angles of 30 degrees and 60 degrees respectively to the vertical. find the tension in portions AB, BC and CD if ...
Thursday, November 12, 2015 by Anonymous

plkz helap
Identify the choice that best completes the statement or answers the question. 1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely ...
Tuesday, November 10, 2015 by shynice

i need help science plz hurry
Identify the choice that best completes the statement or answers the question. 1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely ...
Tuesday, November 10, 2015 by shynice

History
1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in A.)Nutrition B.)Family...
Wednesday, October 21, 2015 by DJ

History
1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in A.)Nutrition B.)Family...
Tuesday, October 20, 2015 by DJ

Science
1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in A.)Nutrition B.)Family...
Tuesday, October 20, 2015 by Douglas

History
1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely explanation for this difference in height is a difference in (1 point) A.)nutrition...
Tuesday, October 20, 2015 by Douglas

science
Which of the following is an example of inbreeding? A) a farmer chooses the cos in his or her herd that produce he most milk and breeds only those cows. b) a farmer chooses the cows in his or herd that produces the most milk and breeds them with cows that get sick less often. ...
Monday, October 19, 2015 by Ana

Statistics
At a certain university, 50% of all entering freshmen planned to major in a STEM (science, technology, engineering, mathematics) discipline. A sample of 36 freshmen is selected. What is the probability that the proportion of freshmen in the sample is between 0.475 and 0.580? ...
Sunday, October 18, 2015 by Obi

engineering
A lever is used to lift a heavy load. A 50 N force pushes one end of the lever down 1.2 m and the load rises 0.2 m. Calculate in weight of the load. Neglect friction
Friday, October 16, 2015 by zahit

Engineering Chemistry
One reaction that destroys O3 molecules in the stratosphere is NO + O3 → NO2 + O2 When this reaction was studied in the laboratory, it was found to be first order with respect to both NO and O3, with a rate constant of 1.9 x 104 L mol-1 s-1. If [NO] =1.2 x 10-5 mole L-1 ...
Friday, October 9, 2015 by Michelle Zuke

Biology
List 3 differences between eukaryotic and prokaryotic genomes. Describe how one of these differences might impact laboratory applications. What are two issues that might arise when genetically engineering a prokaryotic cell to express a eukaryotic protein. I know three ...
Thursday, October 8, 2015 by Ana

Science
Connexusacadamy unit test. identify the choice that best completes the statement or answers the question. 1.Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier ...
Friday, October 2, 2015 by eve

engineering
any help is greatly appreciated. I am so hopeless now. Water tower problem. The pressure in each house is 250 kPa and the average pressure drop is 50kPa. What should the height of the water tower? Height of the water level in the tower. What is the diameter of the water tower?
Monday, September 28, 2015 by katy

chemistry/engineering
Wet sugar, containing one-fifth water by mass is conveyed through an evaporator in which 85.0% of the entering water is vaporized. Taking a Basis of 100 kg of feed to the evaporator A barrel of oil contains about 6 million Btu and about 1000 Btu is needed to evaporate one lbm ...
Tuesday, September 22, 2015 by katy

automobile engineering
For an automobile with wheel base 2.5m, the centre of gravity lies 0.6 m above the ground and 1.15 m in front of the rear axle. The automobile is moving on level ground with a speed of 45 km/hr. Find the minimum stopping distance when (a) Only rear wheels are braked (b) Only ...
Monday, September 14, 2015 by amit

Business
Brianna is organizing a group of staff from her engineering company to provide Saturday afternoon tutoring for students at the nearby middle school. In order for her group of staff to remain stable, what is the optimal number of people she should recruit to help? a- 7 b-5 c-3 ...
Sunday, September 13, 2015 by Steve

Engineering/Shop
I've been asked to help a friend make a longsword. Aiming for a length of 3 to 4 feet, what metal should I use to give it a weight of 50 pounds or less? I've experimented with steel, but that is too heavy to fit dimensions. I was thinking titanium or something, but I ...
Thursday, September 10, 2015 by Kazuto

Chemical Engineering
A small family home in Tucson, Arizona, has a rooftop area of 1967 square feet, and it is possible to capture rain falling on about 56% of the roof. A typical annual rainfall is about 14 inches. If the family wanted to install a tank to capture the rain for an entire year, ...
Monday, September 7, 2015 by STAN

engineering physics 1-science
A crate of mass m(=32 kg) rides on the bed of a truck attached by a cord to the back of the cab . The cord can withstand a maximum tension of 68N before breaking. Neglecting friction between the crate and the truck bed, find the maximum acceleration the truck can have before ...
Sunday, August 9, 2015 by Endes Nalabaw

engineering math
What is the increase in temperature necessary for a hydrogen gas, initially at 0°C, to increase its volume by 5% at constant pressure?
Sunday, August 9, 2015 by kris

engineering
‘’The responsibility towards public health of the engineering profession in the choice between nuclear and solar power’’
Tuesday, August 4, 2015 by mpho

Engineering
For what values of (¢ belongs to R) the following system of equations has (1)no solution (2)a unique solution (3)infinitely many solutions? (5-¢)x+4y+2z=4 4x+(5-¢)y+2z=4 2x+2y+(2-¢)z=2 2) Consider three planes in R3. List all possibilities of their ...
Sunday, August 2, 2015 by Edward

Engineering
For what values of (¢ belongs to R) the following system of equations has (1)no solution (2)a unique solution (3)infinitely many solutions? (5-¢)x+4y+2z=4 4x+(5-¢)y+2z=4 2x+2y+(2-¢)z=2
Sunday, August 2, 2015 by Edward

Engineering
How to solve this equation : log(base10)x - log(base10)y = 2
Saturday, August 1, 2015 by Edward

interoduction of aeronautical engineering
Others say that the balloon was 23 metres high and 14 metres wide. Calculate the temperature of the air in the balloon (in degrees Celsius) for this situation as well. (Assume the balloon to be spherical, and then elongated by a factor 23/14 in height).
Tuesday, July 14, 2015 by Shivam

Physics
Engineering a highway curve. If a car goes through a curve too fast, the car tends to slide out of the curve. A frictional force acts on a fast car to oppose the tendency to slide out of the curve. Consider a circular curve of radius R and bank angle θ, where the ...
Monday, July 6, 2015 by Natalia

Basic electrical engineering
The average velocity of the electrons in a conductor carrying a current of 65.5 amp is 0.0153 inches per sec.what is the cross-sectional area of the conductor.
Wednesday, July 1, 2015 by Kenzo

ENGINEERING
a vinegar contains acetic acid,CH3COOH.Titration of 5.00g of vinegar with 0.100M of NAOH requires 33.00cm to reach the equivalence point.a)what is the weight percentage of CH3COOH in vinegar?
Sunday, June 28, 2015 by OSCAR

Biology
Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic engineering has many positive outcomes. For example, A) gene therapy might cure one defect while creating another. B) genetic modification of foods can ...
Friday, June 19, 2015 by Rafa

mit
home / homework help / questions and answers / engineering / mechanical engineering / 0.5 kg of water initially at 400 kpa and 0.3 m3/kg ... Question 0.5 kg of water initially at 400 kPa and 0.3 m3/kg is contained within a piston-cylinder device fitted with retractable stops (...
Thursday, June 11, 2015 by mit

Socials
How did Stalin suppress his people's individuality and control their personal and economic lives? I am having trouble researching his methods of control and how his people's lives were affected. I know he initiated a great massacre to terminate anyone who disagreed ...
Sunday, May 31, 2015 by Jane

English(Reed)
.. continuing our conversation from my other post regarding Brave New World and totalitarianism research paper :) my response to your comment: Thanks for your opinions Reed, I have thought about it and decided on my stance. My thesis is now "The author, Aldous Huxley, ...
Thursday, May 28, 2015 by Beth

SCIENCE!! PLEASE HELP!!! CHECK ANSWERS PLZ
1)When evolution was first proposed, which of the following was used as evidence to support the idea? (1 point) A)observations of nature*** B)laboratory experiments C)extensive fossil collections D)genetic sequences 2)How did Darwin and Lamarck differ in their thinking about ...
Tuesday, May 26, 2015 by .....

Math
Count the number of ways to award first place to third place to the top three groups in an engineering competition.
Sunday, May 17, 2015 by Maria

Chemical Engineering
When a manometer is subjected to a time dependent pressure differential, the level of liquid in the legs changes with time according to the equation: (L/g)*(d^2h/dt^2)+(8uL/ygr^2)*(dh/dt)+h = dp/yg where L = length of liquid in tube, h is the height differential, dp is the ...
Tuesday, May 12, 2015 by Brandy

Communication
Is Professional a Communication somehow related to Engineering
Monday, May 4, 2015 by Tisy

engineering mechanics
The resultant if a certain system of forces has x and y components. Determine the components of this resultant with respect to N and T axes rotation 30 degree counterclockwise relative to the x and y axes. Ans. Rn= 500 lb Rt= 266 lb How did it happen?
Saturday, May 2, 2015 by shan

General
How to get into Nasa after doing aerospace engineering from India? Could you please tell me best universities for aerospace engineering other than IIT's?
Monday, April 27, 2015 by Edward

Engineering Physics 1
I shot the first arrow Into the air with a speed of 10 m/sec , 1 second later I shot the 2nd arrow into the air with a speed of 15 m/sec. Will they meet? If so, where? how do i solve this?
Sunday, April 26, 2015 by Joshua

statistics
The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Frequency English 2073 Mathematics 2164 Chemistry 318 Physics 856 Liberal Arts 1358 Business 1676 Engineering 868 9313 What is the probability that a randomly selected degree is not ...
Thursday, April 16, 2015 by Bob

engineering science n3
A train with a mass of 120Mg accelerates uniformly on a horizontal track.the resistance to movement is 5N per KN of the mass of the train. The force in the draw-bar of the locomotive is 80KN.calculate: 1.the force required for the constant speed. 2.the force that causes the ...
Tuesday, April 7, 2015 by tuis

Engineering Economics
A granary has two options for a conveyor used in the manufacture of grain for transporting, filling, or emptying. One conveyor can be purchased and installed for $70,000 with $3,000 salvage value after 16 years. The other can be purchased and installed for $110,000 with $4,000...
Friday, March 27, 2015 by Anonymous

statistics
Average entry level salaries for college graduates with mechanical engineering degrees and electrical engineering degrees are believed to be approximately the same. A recruiting office thinks that the average mechanical engineering salary is actually lower than the average ...
Friday, March 20, 2015 by etoile

earthquake engineering
Hey everybody! I have a question I would like to share and ask you. We have a soil layer with medium gravel which has a depth of 38 m. We want to build a multi storey framed building safely with a fundamental period of 1.7 sec.Do you think it will be safe? Vs is given as 750 m...
Friday, March 20, 2015 by lina

Chemical Engineering
High-pressure helium is available from gas producers in 0.045-m^3 cylinders at 400 bar and 298 K. Calculate the explosion equivalent of a tank of compressed helium in terms of kilograms of TNT. Assume helium is an ideal gas
Wednesday, March 18, 2015 by Anonymous

Chemical Engineering
High-pressure helium is available from gas producers in 0.045-m^3 cylinders at 400 bar and 298 K. Calculate the explosion equivalent of a tank of compressed helium in terms of kilograms of TNT. Assume helium is an ideal gas
Wednesday, March 18, 2015 by Anonymous

engineering
A steel tube 30 mm outside diameter and 25 mm internal diameter and length 500 mm is subjected to a tensile load of 37 KN, determine the change in length in mm to 3 decimal places when the load was applied. For the material E = 210 GPa.
Monday, March 16, 2015 by engineering

engineering
1100 kg car accelerates from rest reaching distance of 139 m in 8.7 sec determine average power in KW your answer to 2 decimal places?
Monday, March 16, 2015 by engineering

English.
Please check my answers? Letter of Recommendation Mary O'Dell PLTW Program Willow High School 1400 Old Tamah Road Irmo, SC 29067 April 11, 2007 Subject: Letter of Recommendation for Mr. Chris Moses To Whom It May Concern: Chris studied under my supervision as a student ...
Thursday, March 12, 2015 by Q

Art
Engineering Empires 1) Which statement best describes the differences between architectural developments in Russian and Inca culture? :Russian architecture used few expensive materials; Inca architecture used plenty of gold. :Russian architecture was built to withstand ...
Wednesday, March 4, 2015 by TheLOUDEST_0430

Please help and explain engineering science n3
car moves at a constant velocity up an inclined plane making an angle of 28degrees with the horizontal. The coefficient of friction is 0.387. The force exerted by the engine on the car is 588N. Calculate the Following A.weight of the car B.frictional force acting on the car
Thursday, February 26, 2015 by Buhle

engineering science n3...please help and explain
Heat A.5kg of steel is cooled down in oil and the temperature drops from 900 degrees celsius to 27degrees celsius. The specific heat capacity of steel is 460J/kg degrees Celsius and that of oil 1.5kJ/kg degrees Celsius Calculate the following: 1.quantity of heat lost by steel ...
Tuesday, February 24, 2015 by cathy

engineering science n2
A stone with a mass of 6kg is thrown vertically upwards from the top of a building 35m high with a starting velocity of 20m/s. The time it will take to reach its maximum height
Monday, February 9, 2015 by mpume

Engineering Science N4
An aircraft is at A and has to drop a bomb on target B. If the aircraft flies at 720km/h at a height of 2km, calculate how ahead from B the bomb will to be dropped.
Saturday, February 7, 2015 by EmpressPamela

Chemistry
The primary route for making copper iodide is by reacting potassium iodide with copper sulfate: 2CuSO4 + 4KI + 2Na2S2O3 ==> 2CuI + 2K2SO4 + 2NaI + Na2S4O6 Identify potential green chemistry and green engineering challenges of the reaction.
Sunday, February 1, 2015 by Henry

Green Chemistry
The primary route for making copper iodide is by reacting potassium iodide with copper sulfate: 2CuSO4 + 4KI + 2Na2S2O3 ==> 2CuI + 2K2SO4 + 2NaI + Na2S4O6 Identify potential green chemistry and green engineering challenges of the reaction.
Friday, January 30, 2015 by Henry

science and technology engineering mathematics
Do you have sites that can help me understand science and technology engineering mathematics?
Wednesday, January 28, 2015 by science and technology engineering mathematics

Engineering Economy
Maintenance cost of an equipment is P20,000 for 2 years, P40,000 at the end of 4 years, and P80,000 at the end of 8 years. Compute the semi-annual amount that will be set aside for this equipment. Money worth 10% compounded annually. My answer is P152,166.38. Is it correct? If...
Tuesday, January 27, 2015 by Cathy

engineering economy
Maintenance cost of an equipment is P20,000 for 2 years, P40,000 at the end of 4 years, and P80,000 at the end of 8 years. Compute the semi-annual amount that will be set aside for this equipment. Money worth 10% compounded annually.
Monday, January 26, 2015 by cathy

maths
chnge engineering stress=34.67*10 rais to the power-6 peta newton/metersquare to atto lb/square miles?
Saturday, January 24, 2015 by jaspreet

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Homework Help: Science