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February 8, 2016

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

science
The greenhouse effect is caused by the burning of fossil fuels and deforestation
Monday, July 13, 2015 by seirra

science
a baby pushes a toy across the floor with a force of 5 newtons inertia balanced force unbalanced force velocity
Monday, July 13, 2015 by christina

science
A 1,59 block of wood is placed on the edge of a table 1,2m above the floor.the block is stuck by a bullet,mass 0,01kg,moving @an unknown,horizontal velocity.After the impact,the bullet is embedded in the block,which falls to the floor.the block strikes the floor with a speed ...
Sunday, July 12, 2015 by Karabo

Science
use the idea of energy to explain how energy flows through food chains in the rock pool
Sunday, July 12, 2015 by Mimi

science
with the aid of a test cross, analyze the human situation where albinism a) is recessive to normal coloring (A) and explain how two parents with normal coloring could produce a child who is an albino.
Saturday, July 11, 2015 by Assatu

cjc
Science A batsman hits a cricket ball from ground level. It is caught 1.8 seconds later by the third man standing 43.4 m from the bat. The ball leaves the bat at a speed of 26m/s. Calculate how high above the ground it is caught
Saturday, July 11, 2015 by musa

Science
A man enters an elevator holding two boxes-one on top of the other. The top has a mass of 6.0 kg and the buttom box has a mass of 8.0 kg. The man sets the two boxes on a metric scale registers a value of 166N; this is the upward force upon the bottom box. Determine the ...
Saturday, July 11, 2015 by Charlotte

Science
An unbanked curve has a radius of 80.0 m. What is the naximum speed at which a car can make the turn if the coefficient of static friction is 0.8?
Saturday, July 11, 2015 by Charlotte

science
A particle starts from the origin with a velocity of 10 m/s and moves with a constant acceleration till the velocity increases to 50 m/s. At that instant the acceleration is suddenly reversed. What will be the velocity of the particle, when it returns to the starting point?
Friday, July 10, 2015 by ASSIGNMENT

Science
The rate law for the reaction NO + O2 > NO2 is R=k[NO][O2]. what will be the effect on the reaction rate if the partial pressure of NO is doubled? What will the effect be if the partial pressure of O2 is tripled? My answer: More NO2 would be produced if NO was doubled. If ...
Thursday, July 9, 2015 by Anonymous

Science
The combustion of methane in a laboratory burner is represented by the following equation: CH4 + 2 O2 > CO2 + 2 H2O Given the following three thermochemical equations: C + H2 > CH4 H=-74.87kJ C + O2 > CO2 H= -393.5 2 H2 + O2 > 2 H2O H=-571.6 a) Determine the molar ...
Thursday, July 9, 2015 by Mike

Science
The enthalpy change for the reaction 2 H2 + O2 > 2 H20 is -571.6 kJ. Determine the enthalpy change for the decomposition of 24.0g H2O. My Process -571.6 is the enthalpy of 2 mols of H2O. So the enthalpy of 1 mol of H2O will be -285.8. Since it's decomposition, -285.8 ...
Thursday, July 9, 2015 by Mike

science
What volume of hydrogen is evolved at STP when 2.7g aluminium. Reaches with aq NaOH???
Thursday, July 9, 2015 by Gagan sharma

Science
9. The Pleistocene Epoch, from 1.7 million years ago to 10 000 years ago, was marked by A. a lack of oxygen B. the presence of warm, tropical seas C. the southern movement of the North American continent D. the formation of glaciers that covered parts of the Northern ...
Thursday, July 9, 2015 by Emmanuel

Science
Given the following equation: N2 + Cl2 > @ NCL3 H=+230 kJ a) What mass of N2 would absorb 96.5 kJ of heat as it reacts? b) What volume of Cl2 at STP would be required to react with the N2 in part (a)? I do not know how to solve this problem. My mindset is that it involves ...
Thursday, July 9, 2015 by Anonymous

science
Once we touch mimosa plant is it possible That it will regain it's original position?
Thursday, July 9, 2015 by sanjay

science
Is it true that Synapse and Ranvier nod are same?
Thursday, July 9, 2015 by sanjay

small business management
Gary and Wilma Johnson plan to open a bus tour business, taking people from their small city to historic sites along the East Coast. Tours will include bus fare, hotel accommodations, breakfast, and admission to the sites. What aspect of their research might they want to pay ...
Wednesday, July 8, 2015 by anon

Science
Scientists who study abnormal animal behavior would probably know much about A. Astronomy B. biology C. Geography D. History
Wednesday, July 8, 2015 by Kimberly

Computer Programming
I already posted this question but I gave it a try I'm not sure if I'm on the right track: Make a util class with three methods. First method's name is add, that returns the result by adding two numbers. Second method's name is multiply, that returns the result...
Wednesday, July 8, 2015 by Jake

Computer Programming
I already posted this question but I gave it a try I'm not sure if I'm on the right track: Make a util class with three methods. First method's name is add, that returns the result by adding two numbers. Second method's name is multiply, that returns the result...
Wednesday, July 8, 2015 by Jake

Computer Programming
How do I make a util class with a method name that is add, and returns the result by adding two numbers.
Wednesday, July 8, 2015 by Jake

science
Net force of 10 newton produces an acceleration of 2mts/sec2 in a body moving over a horizontal surface . What is the mass of the body
Wednesday, July 8, 2015 by Joseph

science
Calculate the energy required to vaporize 50g of water initially at 80¡ãC. ( specific heat capacity of water- 12jgk, specific heat of vaporization- 220jk
Tuesday, July 7, 2015 by Elvis

science
what is the KE of a 0.2kg rolling ball travelling at a speed of 5m/s
Tuesday, July 7, 2015 by dianne

science
determine the time of evaporation of 250 ml of water in different envionmental conditions such as at room temperature
Tuesday, July 7, 2015 by allied school muhammad campus

Math statistics
For a certain computer program a password must be exactly 5 characters long. The first character must be a mnber 0-8, the second, third and fourth character can either be one of the 26 letters or a number 0-5, the fifth character has to be exactly the same as the second ...
Tuesday, July 7, 2015 by Lizzy

Information literacy lesson 2
Which of the following sources likely has the most reliable information? A. A computer science textbook written by an expert in the field in the early 2000s B. An article in last month's issue of a peer-reviewed trade journal C. A graduate student's blog that was ...
Monday, July 6, 2015 by Bern

Science
Two balls of mass 10kgs and 100kgs are thrown vertically up at the same speed which ball will pass the point of projection in their downward direction with greater speed?
Monday, July 6, 2015 by Adithya

statistics
TRUE OR FALSE 35. A survey of women owned business found that approximately 30% of all small businesses are owned by non‐Hispanic white women. In a sample of 250 non‐Hispanic businesses owned by whites, the average number of businesses owned by female would be 75. ...
Monday, July 6, 2015 by meri

Science
A car runs off the road and hits a stationery rock. Some glass pieces from the windscreen are projected forward and were found at an average distance of 15 meters from the car. The average height of the windscreen is 1.5 meters. Calculate the speed of the car at the time of ...
Monday, July 6, 2015 by Jimmy

Science
Einstein put forward the mass-energy equation E=mc2. Can anybody explain why c is squared(2)?Also derive the equation give above.Thanks.
Monday, July 6, 2015 by Genius

Computer Programming
I posted this question before: How would I put this into one program? These are the directions: Write a method that takes two parameters. If the first parameter is equal to second parameter. Multiply both and print result. If the first parameter is less than the second ...
Sunday, July 5, 2015 by Jake

science
A student needs to mix 50 ml. of glycine with 950 ml. of distilled water. This student has only a 25 ml. graduated cylinder. How many times will the student have to use the cylinder both glycine and water to prepare the solution?
Sunday, July 5, 2015 by BB

science
a train is moving along a horizontal track. A pendulum suspended from the roof makes an angle 4 degree with the vertical. obtain the acceleration of train?
Sunday, July 5, 2015 by aman

Computer Science
How would I put this into one program? These are the directions: Write a method that takes two parameters. If the first parameter is equal to second parameter. Multiply both and print result. If the first parameter is less than the second parameter, add the two and print the ...
Sunday, July 5, 2015 by Jake

computer tech
If someone was concerned about identify theft they would be interested in learning more about what?
Saturday, July 4, 2015 by toxion

Computer Science
I posted this question before. The assignment was: write a Java method if the first parameter is less than the second parameter add the two and print the result ten times. How do I write the result 10 times as a loop? This is what I've got but I have a ton of errors that I...
Saturday, July 4, 2015 by Trish Goal

science 207 lab wk 5
1. Which water cycle processes are represented in this model and by what components? Answer = 2. Which water cycle processes are not represented? How could the model be altered to include each of these processes? Answer = 3. How would the “weather” be affected if ...
Saturday, July 4, 2015 by Lisa

Science
A skydiver steps out of a helicopter hovering thousands of metres above ground. After 3.5 s of free fall the skydiver pulls the rip cord. What is the skydiver’s displacement during the 3.5 s of free fall?
Saturday, July 4, 2015 by Emmanuel

Science
A baseball flew 19.6 m straight up into the air after being hit by a bat. How long should it take for the ball to return from its maximum height? A. 1.02 s B. 1.91 s C. 2.00 s D. 3.99 s
Saturday, July 4, 2015 by Emmanuel

Science Help Not sure
A traffic-safety engineer is designing a deceleration lane. She is basing the length of this lane on the distance needed to slow down from 126 km/h to 65 km/h in 8.0 s. How long will the deceleration lane be? A. 2.1 x 10^2 m B. 3.8 x 10^2 m C. 4.2 x 10^2 m D. 7.6 x 10^2 m
Saturday, July 4, 2015 by Emmanuel

Science
Starting from rest, an object rolls down a long ramp with a constant acceleration of 1.72 m/s2. After rolling for 4.75 s, what is the magnitude of the ball’s final velocity? A. 9.81 m/s B. 8.17 m/s C. 6.30 m/s D. 4.09 m/s
Saturday, July 4, 2015 by Emmanuel

Computer Science
This was the assignment: If the first parameter is less than the second parameter add the two and print the result 10 times. THIS PROGRAM IS IN JAVA. I did everything but I can't figure out how to print the result as a loop 10 times. public static void main(String args...
Saturday, July 4, 2015 by Trish Goal

Science Help Not sure
Within the Gaetz Lake Sanctuary in Red Deer, Alberta, is a looped trail that is 4 km long. Suppose a person walked all the way around the looped trail in 1 h, ending where he or she started. Which statement best describes this person’s motion over this time interval? A....
Saturday, July 4, 2015 by Emmanuel

science
A vehicle is travelling 1.0x10^2 km/h. what is the spped of the vehicle in metres per second? 28m/s 27.8m/s 3.6x10^2m/s 1.0x10^4m/s
Saturday, July 4, 2015 by Emmanuel

Science
whats the difference between average speed and instantaneous speed?
Saturday, July 4, 2015 by Emmanuel

Science
1.The sound from a bolt of lighting travelled 4.08km in 12.0s. whats was the spped of the sound in metres per second? 0.340m/s 49.0m/s 340m/s 343m/s 2.A vehicle is travelling 1.0x10^2 km/h. what is the spped of the vehicle in metres per second? 28m/s 27.8m/s 3.6x10^2m/s 1.0x10...
Saturday, July 4, 2015 by Emmanuel

Basic Computer Science
This was the assignment: If the first parameter is less than the second parameter add the two and print the result 10 times. THIS PROGRAM IS IN JAVA. I did everything but I can't figure out how to print the result as a loop 10 times. public static void main(String args...
Saturday, July 4, 2015 by Trish Goal

science
how many liters of water do u need to mix with a 250 grams of steric acid
Saturday, July 4, 2015 by alfred

science
A bullet strikes a uniform plank with a speed of 400ms-¹ and comes out with the half the velocity . what would be the velocity if the plank were only half thick?
Saturday, July 4, 2015 by ronit

science
a car starting from rest acquired a speed of 25ms-¹ in 10sec,after which it maintain this speed for 10sec. find (a)the acceleration (b) distance traveled during acceleration (c)total distance traveled?
Saturday, July 4, 2015 by ronit

Basic Computer Science
Write a method in Java that takes two parameters. If the first parameter is equal to the second parameter multiply both and print the result. Thanks.
Friday, July 3, 2015 by Trish Goal

Science
which of the following is not scalar quantity. 0.20m 5.0m/s 10.0m/s[E] 110km/h
Friday, July 3, 2015 by Emmanuel

Science
What is the difference between convex and concave lenses??
Friday, July 3, 2015 by diana

Science
Water flows out horizontalmy at the end of a pipe at a height of 52 cm from the floor.If the horizontal distance before it hits the floor is 100 cm,calculate the velocity of the water at the instant it leaves the pipes?
Friday, July 3, 2015 by Hannah

Science
Water also travels through living reservoirs. Which of the following organisms does not function as a living reservoir for water? - Squirrels - Wolves - Plums - All of above are living reservoirs for water
Thursday, July 2, 2015 by Comet

Life science
What is food fad?
Thursday, July 2, 2015 by Zoya

math
A reading list contains 3 historical books and 4 science-fiction books. What is the probability that Tena will randomly choose a historical book for her first report and a science-fiction book for her second?
Thursday, July 2, 2015 by nate

Science
What is the difference between alcohol and phenol? Respond in detail.Thanks
Wednesday, July 1, 2015 by Genius

Science
Can we have ph=0? Will this be considered acidic. My book says ph 1 to 7 is acidic. I wanted to make sure if ph can equal to 0 or no?
Tuesday, June 30, 2015 by Lil

Science
At 0°c and 760mm hg pressure, a gas occupies a volume of 100cm cube. The Kelvin temperature of the gas is increased by one - fifth while the pressure is increased one and a half times. Calculate the final volume of the gas.
Tuesday, June 30, 2015 by Richa

science
Fan can accelerate from the starting blocks to running 11 m/s down the track in 5 seconds. What is her acceleration?
Tuesday, June 30, 2015 by cj

Utlwanang Barolong secondary school
physical science it is found that 40 ml of a 0.5mol.dm^-3 sodium hydroxide solution is needed to neutralise 20mol of the vinegar. calculate the pH of the sodium hydroxide solution
Tuesday, June 30, 2015 by Didimalang

science 207
4. What can be done to prevent mine drainage from damaging the ecosystem? Utilize at least one scholarly resource to support your suggestions.
Monday, June 29, 2015 by Lisa

Science
What are the reasons why human being is considered the most intelligent animal in the earth?
Monday, June 29, 2015 by Emma

Science
What are the reasons why human being is considered the most intelligent animal in the whole universe?
Monday, June 29, 2015 by Emma

Science
Deduce Dalton's law of partial pressure from kinetic theory
Sunday, June 28, 2015 by Harday

Science
if 0.75 mole of helium gas occupies a volume of 1.5. what volume will 1.2 mole helium occupy at the same teperature and pressure?
Sunday, June 28, 2015 by Nicole

Science
0.02 mole of urea is dissolved in 250ml of solution. if density of solution is 1.10 g/ml . calculate percentage weight by weight and percentage weight by volume ?
Sunday, June 28, 2015 by Awadhesh kumar

Science
what happens to the brain as an individual grows older? a. what happens to the billions of nerve cells in the cortex as one becomes older? b. will the dead neurons be replaced? c. why is memory affected as one grows old?
Sunday, June 28, 2015 by zaree

Science
Which of the following describes the most important reason for repeating an experimental investigation? A. To verify the validity of the original findings B. To expand upon the original investigation C. To manipulate the independent variable D. To attempt to disprove the ...
Sunday, June 28, 2015 by Lil

science
Design a controlled experiment to test your hypothesis, describing how you would interpret your results. Please limit your response to one paragraph
Saturday, June 27, 2015 by hala

science
A copper ball is dropped from a vartical height 1200m.if the initial temptature of copper ball at the height is 12 degree celsius,what is its temperature on reaching the ground? Assume all its kinetic energy changes to heat energy and specific heat capacity of copper is 400 ...
Saturday, June 27, 2015 by nitesh srivastav

science
Why is see saw a first class lever?
Saturday, June 27, 2015 by shreyas

Atakpa science college zaki-biam
Two identical charges repel each other with a force 0.1mN and are moved additional 5.0cm a part the repulsive force is reduced to 25 x 10^-6N, (a) How far were they originally (b) what is the size of the charges
Thursday, June 25, 2015 by Terzungwe nicholas

Science physics
a machine was used to lift a load of 30N through a distance of 2metres. the effort applied was 10N through a distance of 8metres. calculate the mechanical advantage
Thursday, June 25, 2015 by Arnold

Science
why is it when we cook something sour like plums, it will tend to become sweeter & lose its sourness.
Thursday, June 25, 2015 by Mohammad

science
Octane (C8H18) is a liquid that combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it conform to ...
Thursday, June 25, 2015 by Bookworm

Science
A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure in humans. Which of the following preliminary steps should the scientist take before conducting a controlled experiment? A. Establish a cause ...
Wednesday, June 24, 2015 by Lil

science
Why is an incandescent bulb hot to touch when it has been switched on for a while?
Wednesday, June 24, 2015 by shrutika

science
A force of 16.0 newtons is sufficient to set a box that is at rest into motion. If the coefficient of static friction is 0.380, what is the normal force acting on the box?
Wednesday, June 24, 2015 by kevin

Computer Architecture/Assembly Question - Amdahl's
Can someone show me how to solve this problem? For a program that is 70% parallelizable, what will be the speedup relative to a uniprocessor from running it on a 4,8, and 16 way multiprocessor assuming perfect load balancing. Thanks!
Wednesday, June 24, 2015 by Fred

Science
How to find oxidation numbers ?
Tuesday, June 23, 2015 by Singh

pragati s.s.h.s.s
science:why is the units of power called derived?
Tuesday, June 23, 2015 by swostika bhattarai

physcial science
What are the wavelength limits of the audible range of the sound spectrum? (Use the speed of sound in air. The speed of sound in air is 344 m/s. The audible range of the sound spectrum contains frequencies as low as 30 Hz and as high as 25 kHz.)
Tuesday, June 23, 2015 by Christine

physcial science
Picnickers see a lightning flash and hear the resulting thunder 7.9 s later. If the storm is traveling at a rate of 20. km/h, how long, in minutes, do the picnickers have before the storm arrives at their location?
Tuesday, June 23, 2015 by Christine

Science
The rider of a ferris wheel moves at a rate of 0.18 m/s2. If the rider is 5.0 m from the center of the ferris wheel, What is his/her Velocity? Can't figure out if the RADIUS and RATE are the same and Which one is the radius/rate?
Tuesday, June 23, 2015 by LALA

Science
The rider to a Ferris wheel moves at a rate of 0.18m/s2. If the rider is 5.0m from the center of the Ferris wheel, what is his/her velocity?
Tuesday, June 23, 2015 by Alfonz

science
The reaction h2so4+naoh->bahso4+h20 is what reaction
Tuesday, June 23, 2015 by shibani

science
A sample consisting of 1.00 mol Ar is expanded isothermally at 0°C from 22.4 dm3 to 44.8 dm3 (a) reversibly, (b) against a constant external pressure equal to the final pressure of the gas, and (c) freely (against zero external pressure). For the three processes calculate ...
Monday, June 22, 2015 by Tris

science
what is the percent by volume of ethanol (C2H6O, or ethyl alcohol) in the final solution when 85 mL of ethanol is diluted to a volume of water? Show your calcutayions
Monday, June 22, 2015 by jeomen

Science
What fundamental force is the reason behind the following and why: 1. Ice ring formation around Saturn 2. Aging and sagging of the skin 3. Lightning 4. Navigation using a compass 5. A neutron transforming into a proton 6. The variety of elements as seen in the periodic table 7...
Monday, June 22, 2015 by Millie

Science
4g of an organic compound gave 2.34g of carbon 0.16g of hydrogen 0.46g of nitrogen 1.04g of oxygen.what is the empirical formula
Monday, June 22, 2015 by Samuel

geography.math lit,l.o,life science,english,sepedi and history
well among all those subject i'm good at sepedi, maths,history,english an geography,so is it possible to become a lawyer wth these subject?
Monday, June 22, 2015 by shakes

Science
A brick mass of 4.5 kg is thrown rertical into the air the brick leave the hand at a velocity of 10 m/s find the kinetic energy the moment it leave the hand?
Sunday, June 21, 2015 by Dennis

science
A Molecule of H2 Can travel an average distance of 92 nm before it collides with another H2 molecule in a 2.09 L container that has 0.87 mol of H2 (g) with a total pressure of 0.98 atm. What is the temperature of the container in K? Assume the diameter of H2 to be 1.09 angstrom.
Sunday, June 21, 2015 by T.Asadi

ST MICHAEL NURSERY SECONDRY AND PRIMARY SCHOOL KONTAGORA
BASIC SCIENCE. A BOY OF MASS 50KG RUNS UP A FLIGHT OF 10 STAIRS EACH OF HEIGHT 0.2M IN 5 SECONDS CALCULATE HIS POWER.
Saturday, June 20, 2015 by FESTUS UGWOKE

Science
are volcanoes and mountain belts found in every country or continent? why? or why not?
Friday, June 19, 2015 by TRG

Science
mg +2Hcl --MgCl2. + h2 Calculate minimum volume of 0.1ml\L Please help
Friday, June 19, 2015 by Sarah

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Homework Help: Computers