Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

physics
Two 4.3 kg physical science textbooks on a bookshelf are 0.25 m apart. What is the magnitude of the gravitational attraction between the books
Tuesday, June 18, 2013 at 3:12pm

science
I want to creat a easy-to-use formula to measure the conversion on a C2H6 cracking furnace
Tuesday, June 18, 2013 at 5:53am

computer science
Describe computer laguages according to its generation.
Tuesday, June 18, 2013 at 3:14am

physics
orange light (lambda=630nm) hits diffraction grating which has a line spacing of (mu)m. The interference pattern is seen on a screen that is 4.0m away. what is the distance between the central bright spot and the first order bright spot on the screen. (sorry I don't have ...
Monday, June 17, 2013 at 6:32pm

science physics
A chicken decides to cross a road. The road is perfectly straight, runs north-south, and is full of cars driving by from south to north. The cars have a log-normal distribution for the distance between each car. However, the cars all travel at 80 km/hr. The chicken stands next...
Monday, June 17, 2013 at 5:24pm

science
If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or absence of water in the other depressions differ from that which is shown?
Monday, June 17, 2013 at 10:23am

science
Find the overall average speed of swimmer number one during the race. Find the overall average speed of the second swimmer from the time he starts swimming until he ends his race. What is the instantaneous speed of the second swimmer at time t = 25 s during the race? What is ...
Monday, June 17, 2013 at 7:34am

science
How long does it take the ball in problem 5 to travel 15 meters after being played? Neglect the gravitational effect, and suppose the ball travels along a straight line and assume a speed of 24 m/s. A racecar driver steps on the gas, and his car travels 16 meters in 2 seconds...
Monday, June 17, 2013 at 7:24am

science
What is the acceleration of a tennis ball if initially it comes toward the player's racquet at 20 m/s, and it leaves in the opposite direction at 24 m/s? A high-speed camera indicates the time of impact of 4.0 ms.
Monday, June 17, 2013 at 6:49am

Science
Project Work-Draw(x-t)graph on graph paper which represents a body is travelling with uniform acceleration.
Monday, June 17, 2013 at 4:19am

science
0.63 gm of oxalic acid (COOH)2 2H20 are dissolved in 500 ml of solution. Calculate the molarity of the solution?
Sunday, June 16, 2013 at 4:07am

science
a bottel contains 500 ml of 2.4 M HCL. How much water should be added to dilute it to 1.6 M HCL. Solution
Sunday, June 16, 2013 at 4:03am

science
4l of water is added to 2L of 6M HCL.What is the molarity of the final solution
Sunday, June 16, 2013 at 3:58am

science
a body covers a distance of l metre along a semicircular path. calculate the magnitudeof displacement
Saturday, June 15, 2013 at 11:24am

SCIENCE
A BODY IS DROPPED FROM A BUILDING 10 M HIGH. CALCULATE THE TIME OF FALL AND THE SPEED WITH WHICH IT HITS THE GROUND.(TAKEg=10M/SECOND SQUARE).
Saturday, June 15, 2013 at 1:15am

science
whether or not we as humans should be concerned with the extinction rate. Additionally, discuss whether or not humans strive to preserve representative samples of all biomes on the planet.
Friday, June 14, 2013 at 8:18pm

science
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider the ...
Friday, June 14, 2013 at 6:46am

science
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is polar coordinates (r,&#...
Friday, June 14, 2013 at 6:45am

Science
The Asteroid433Eros has a mass of 7.2 x 1015 kg, and a radius of = 11 km. Â What is the escape velocity of this asteroid (remember to use r in meters)?Â What consequence would this have for someone trying to walk on this asteroid?
Thursday, June 13, 2013 at 10:09pm

Science
What is the circular velocity of an Earth satellite 1000. km above Earth's surface? (Note: Earth's average radius is 6371 km.)
Thursday, June 13, 2013 at 10:09pm

Science
Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 10 Earth radii from Earth's center? At 20 Earth radii?
Thursday, June 13, 2013 at 10:08pm

science
what could not be part of a tree canopy? a. moss b. roots c. leaves d. branches
Thursday, June 13, 2013 at 8:39pm

Science
Calculate the linear momentum of a pickup truck that has a mass of 1100 kg and is traveling eastward at 22 m/s.
Thursday, June 13, 2013 at 8:27pm

Computer Science
write a program that will prompt the user for a value and print the value entered to the screen. The program stops when the user enters a value less than zero. I need an IPO chart, pseudocode and C++
Thursday, June 13, 2013 at 2:19pm

science
Does the study by Frenda et al. (2013) prove that our memories are easily manipulated and should therefore not be trusted? Article: False Memories of Fabricated Politicians
Thursday, June 13, 2013 at 1:01pm

Science
what are the four steps need to ascertain whether a fungus was the causes of the disease.
Thursday, June 13, 2013 at 11:20am

Science
Calculate the average size of the microbes in Saccharomyces ? show your working out.
Thursday, June 13, 2013 at 11:19am

Science
Saccharomyces Cerevisiae is a fungi, it is used in the production of bread. Rhizopus is a fungus that causes mouldy bread. What is the difference between the structure of the fungi, when looking at Saccharomyces and Rhizopus under a microscope?
Thursday, June 13, 2013 at 11:17am

Science
Rhizopus is a Fugus that causes mouldy bread. Identify the functions of the main features in Rhizopus,when observing it under a microscope.
Thursday, June 13, 2013 at 11:09am

science
A snail travels 45 cm in 20 min. Its average speed is Answer 2.25 cm/h. 15 cm/h. 90 cm/h. 135 cm/h.
Thursday, June 13, 2013 at 10:58am

social science
how is biology related to tourism?
Thursday, June 13, 2013 at 9:45am

Physics
When u type on a computer keyboard, do u do work on the computer keys? Pleasee explain
Thursday, June 13, 2013 at 9:31am

science
how many molecules of oxygen are produced from the balanced equation 2kclo3=2kcl+3o2
Thursday, June 13, 2013 at 4:42am

physical science
David builds a wood raft that weighs 100lbs (445 N). The bottom area of the raft is 4 meters and by 3 meters and the raft is 0.6 meters thick. When the raft is floats in water, what must the height of the water line be on the raft?
Thursday, June 13, 2013 at 2:21am

Physics
A disk in your computer spins at 5400 rpm. If this disk turns through 12 revolutions before coming to stop, find the disks angular velocity acceleration. Also find the time it takes to stop.
Wednesday, June 12, 2013 at 11:05pm

Physical Science
Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light is A. a stream of particles. B. a wave. C. heat.
Wednesday, June 12, 2013 at 8:36pm

Physical Science
Which kind of light is used to carry information through optical fibers? A. fluorescent B. sodium-vapor light C. laser
Wednesday, June 12, 2013 at 8:32pm

Social Science
Rorschach vs MMPI-Minnesota Multiphasic Personality Invertory? Which is better, MMPI or Rorschach?
Wednesday, June 12, 2013 at 4:15pm

science
why would a spinal cord injury leave someone paralyzed?
Wednesday, June 12, 2013 at 9:22am

science
What is the concentration in % by volume of acetic solution 50 ml acetic acid and 400 ml water
Wednesday, June 12, 2013 at 7:11am

physical science
what are variables of the practical investigation.
Wednesday, June 12, 2013 at 7:00am

Physical science
Find the acceleration of a hamster when it increases its velocity from rest to 10 in 2.4
Tuesday, June 11, 2013 at 11:40pm

Science
How does glucostatic theory explain why individuals experience a "crash" after eating a meal high in sugar
Tuesday, June 11, 2013 at 7:27pm

Science
Just overall ideas, working on paper: How can evolutionary theory be used to explain both adaptive and maladaptive eating behavior?
Tuesday, June 11, 2013 at 2:19pm

science
explain why alcohol exerts its effects more rapidly when the stomach is empty
Tuesday, June 11, 2013 at 11:12am

science
describe the two important roles of gut movement in humans
Tuesday, June 11, 2013 at 11:08am

science
explain the digestive and storage role of stomach in humans
Tuesday, June 11, 2013 at 11:05am

Physics websites
I just want to ask if there's a website in physics that you don't have to do the experiment on your own and you can just do it in the computer and study it and answer the question to that experiment/lab. I'm really having problems with my experiments and I don'...
Tuesday, June 11, 2013 at 10:19am

computer
how to download C language? give any website for downloading C language.
Tuesday, June 11, 2013 at 5:53am

science
The atomic mass of lithium is 6.94, the naturally occurring isotopes are 6Li = 6.015121 amu, and 7Li = 7.016003 amu. Determine the percent abundance of each isotope.
Tuesday, June 11, 2013 at 4:19am

science
Two particles are moving at a speed v such that they are always at a constant distance d apart and their velocities are always equal and opposite.at what time they return to their initial positions?
Tuesday, June 11, 2013 at 3:14am

science
ferrous sulphate + sodium hydroxide forms ppt. ferrous hydroxide + sodium sulphate is left in the solution write a balanced chemical eqn.. for this..
Tuesday, June 11, 2013 at 1:07am

Science
What effect does CRH have on the corticotrophs of the anterior pituitary?
Tuesday, June 11, 2013 at 12:24am

science
Describe how you could find the focus of a converging lens using a candle, a sheet of white paper, and a ruler (be explicit)?
Monday, June 10, 2013 at 2:14pm

Home economics
What are d use of computer in home economics
Monday, June 10, 2013 at 4:28am

Science
Homeostasis returns your febrile state of 103o F to normal room temperature. Do you agree or disagree with this statement and explain your answer.
Sunday, June 9, 2013 at 8:13pm

Science
How do i calculate this? 5 ml of 0.1% (w/v) AgNO3 2 L of 1% (w/v) NaCl
Sunday, June 9, 2013 at 7:49pm

Maths A
In January this year, Kathryn bought a new computer for $6000. She estimates its useful life as 5 years and its scrap value as $1500. If Kathryn uses the diminishing value method, determine the value of this computer at the end of 3 years.
Sunday, June 9, 2013 at 5:19am

computer
Which of the selections below denotes an Excel formula to add up the data valued within cells D2 through D10?
Saturday, June 8, 2013 at 2:18pm

science
which sample (salt,fertilizer and sulfuric acid) will have the most algae growth? and why ? which sample (salt,fertilizer and sulfuric acid)will have the most living organisms ? and why?
Saturday, June 8, 2013 at 1:52pm

calculus
In the computer game, there must be a ramp that is 2 m wide, with height 3 m and length. 5 m. Assume that one corner of the bottom of the ramp is at the origin.
Saturday, June 8, 2013 at 11:49am

science
a bowling ball with a mass of 10 kg and a bowling pin with a mass of 0.5kg, are standing 2m apart, from centre to centre. what is the force of attraction between the bowling ball and the pin
Friday, June 7, 2013 at 8:40pm

Earth science
Why are so few alternative sources of energy in use in the united states today??
Thursday, June 6, 2013 at 2:34pm

Earth science
In what ways do earths system interact with each other
Thursday, June 6, 2013 at 1:27pm

Writing help!
1.In the bitter cold, (he, him) and Dad struggled to save the orange crop. My answer:he 2. (Her and me, She and I) have joined the Shutter and Lens. My answer:she and I 3. Phil showed Danny and (I, me) his butterfly collection. My answer:me 4. Bert warned Hank and (I, me) ...
Thursday, June 6, 2013 at 1:14pm

Physical Science
1. A wave has a wavelength of 10 mm and a frequency of 5.0 hertz. What is its speed? A. 50 mm/s B. 50 hertz/s C. 2.0 mm/s D. 0.50 mm/s 2. Which type of mechanical wave needs a source of energy to produce it? A. a transverse wave B. a longitudinal wave C. a surface wave D. all ...
Thursday, June 6, 2013 at 8:07am

Science
7) An apple falls from a tree (h = 9m). In the absence of air resistance, how fast is it traveling when it strikes the ground?
Wednesday, June 5, 2013 at 8:29pm

Reading Review
8. Choose the word that best fills in the blanks in the sentences below: Ali did not ______ in the spelling bee. Nikitha asked her sister to save her a _______ in line. (1 point) win spot*** place score 9. Choose the word that best fills in the blanks in the sentences below: ...
Wednesday, June 5, 2013 at 7:41pm

Science
Solar panels turn ___ energy into __ energy heat into electric?
Wednesday, June 5, 2013 at 4:23pm

science
The latent heat of vaporization of water is 540 calories/gram. How many calories are required to completely vaporize 500 grams of water?
Wednesday, June 5, 2013 at 9:16am

Maths
Hi, I am just doing some maths revision in light of my maths GCSE resit, which is very soon. I am sitting the higher paper for the first time, so some of the questions towards the end of the paper are very testing of my knowledge. At the moment I am going over past papers and ...
Wednesday, June 5, 2013 at 8:18am

science,
1,3,5,2 ORDER IT
Wednesday, June 5, 2013 at 3:35am

Physical Science
1. To what is amplitude related? B. the maximum displacement from the rest position C. neither A nor B D. both A and B 2. Suppose two waves collide and the temporary combined wave that results is smaller than the original waves. What term best describes this interaction? A. ...
Tuesday, June 4, 2013 at 4:21pm

Physical Science
1.Instantaneous speed is measured B. when the object reaches its destination. C. at a particular instant. D. over the duration of the trip. 2. A ball is rolled uphill a distance of 5 meters before it slows, stops, and begins to roll back. The ball rolls downhill 9 meters ...
Tuesday, June 4, 2013 at 1:27pm

Computer
An organization is having its seven department located on 3 floors of a building,3 on groubd, 2 on first & 2 on the second floor each department is having 4 to 5 members & each member has to be provided with a computer system. In order to network these systems which network ...
Monday, June 3, 2013 at 4:16am

Science
A Ne-O2 gas mixture contain 76.6 g O2 and 167.5 g Ne(20).If P of mixture is 25 bar.what is partial pressure of O2 and Ne?
Monday, June 3, 2013 at 12:31am

Science
The sum of magnitude of two forces is 18 N and the magnitude of their resultant is 12 N.If the resultant makes an angle of 90degree with the smaller force,then find the magnitude of the forces.
Monday, June 3, 2013 at 12:24am

s
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about 93,000,000 miles from ...
Monday, June 3, 2013 at 12:12am

English 225
Which of the following is true of the screenwriter’s role in making movies? (Points : 1) A film begins with a writer’s story Film is generally considered a writer’s medium The writer is more important than the rest of the cast and crew Writing scripts is an ...
Sunday, June 2, 2013 at 11:39pm

Science
You launch a model rocket up into the sky. Right after launch the rocket is accelerating upwards at 10 m/s2. What is the magnitude of the net force in Newtons on the rocket if the rocket has a mass of 0.1 kg?
Sunday, June 2, 2013 at 11:36pm

Science
the probability of having blood group B is 0.08. what is the probability that if one pints of blood is taken from each of 100 unrelated blood donors fewer than three pints of group B blood will be obtained?
Sunday, June 2, 2013 at 5:08am

Science
Names of three alternative energy sources and one disadvantage of the three alternative energy sources.
Saturday, June 1, 2013 at 7:44pm

Science
What are the names of three alternative sources of energy and one disadvantage of each?
Saturday, June 1, 2013 at 6:16pm

Science
What is the major disadvantage of using fossil fuels?
Saturday, June 1, 2013 at 5:46pm

earth science
If a sample contains 50g of carbon14 and 50g nitrogen14 how many half lives has it undergone?
Saturday, June 1, 2013 at 3:37pm

Science
A sample of gas under a pressure of 622 kPa has a volume of 233 mL. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure?
Saturday, June 1, 2013 at 3:35pm

to:writeacher
In response to a typo which I immediately corrected: Writeacher writes: "@allthehomework needs to stop answering questions since he/she often has to apologize or is not 100% sure of what he/she has written. =(" That was not very classy Writeacher. I see that you are ...
Saturday, June 1, 2013 at 4:16am

Science-Chemistry
1. What is Charles’s law? • State the definition of the law in words. • What are the assumptions of Charles’s law? • Write mathematical equations that represent the law. • What can you do with Charles’s law? • Using a gas-filled balloon ...
Friday, May 31, 2013 at 2:11pm

math
The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct to two decimal places.) x 7 10 19 9 20 22 6 ...
Thursday, May 30, 2013 at 11:54pm

Science :check my answers
Here are some questions I had for hw, I answered some of them, can someone check my answers and help me with the ones i didn't answer, thanks: 1.Which constellations are visible from Canada in all seasons? My Answer:Ursa Major, Ursa Minor, Lynx,Cephus, Cassiopia, ...
Thursday, May 30, 2013 at 10:49pm

fire science
A compartment measures 14 feet wide, 12 feet long and 8 feet high, lined with ½ inch sheetrock and has a standard 36 inch by 80 inch door. What HRR is required for flashover?
Thursday, May 30, 2013 at 5:46pm

science
if a person puts 500 newtons into pushing an immovable wall that was 2 meters tall how many joules of work would they do
Thursday, May 30, 2013 at 12:59pm

English Pls Writeacher Help Me by checking my work
write a news story in inverted-pyramid style. Begin your story with a summary news lead of no more than 20 words and then write a full story using inverted pyramid style. Using the scenario below. A home at 2481 Santana Avenue was burglarized between the hours of 1 p.m. and 4 ...
Thursday, May 30, 2013 at 11:21am

CHEMISTRY SCIENCE
Points in favour: 1.Diffusion helps reduce the pollution of toxic gases. Points against: 1. old stains of ink, tea/coffee, cooked food are hard to remove through diffusion, or just hard to remove ... can u please elaborate on the same topics we are supposed to write it for one...
Thursday, May 30, 2013 at 1:17am

science
How many moles S are required to prepare 800 liters of SO2 gas in a synthesis reaction?
Wednesday, May 29, 2013 at 10:54pm

science
how does the brain help my feeling
Wednesday, May 29, 2013 at 8:25pm

science
what is the relationship between structure and function?
Wednesday, May 29, 2013 at 8:24pm

Math
A computer printer can print 3 pages in 25 seconds . Which proportion can be used to find x,the time it will take the printer to print 10 pages?
Wednesday, May 29, 2013 at 6:19pm

Science
Ways to have energy in your house without having to use fossil fuels? Use the sun has your light for solar energy Have solar panels wind mills for wind energy thick walls to keep isolation electric poles Any other ways? Or any ways without using fossil fuels you can use for ...
Wednesday, May 29, 2013 at 5:58pm

science
what is the probability of a right handed person and a left handed person having a heterozygous child? homozygous dominant? homozygous recessive?
Wednesday, May 29, 2013 at 4:35pm

English (Help Me, Help Me,Please Somebody Help Me)
write a news story in inverted-pyramid style. Begin your story with a summary news lead of no more than 20 words and then write a full story using inverted pyramid style. Using the scenario below. A home at 2481 Santana Avenue was burglarized between the hours of 1 p.m. and 4 ...
Wednesday, May 29, 2013 at 2:44pm

science
I WANT A ACROSTIC POEM ON "CELLS"OR"CHLOROPLAST" or"PLAASTIDS"
Wednesday, May 29, 2013 at 4:39am

science
How many grams of glucose C6H12O6 would you need to make 250 mL of 1.0M solution?
Wednesday, May 29, 2013 at 1:50am

science
How many moles of sucrose C12H22O11 does 300 mL of a .10M sucrose solution contain?
Wednesday, May 29, 2013 at 1:48am

science
in a hydrogen atom an electron of mass 9.1*10^-31 kg revolves about a proton in a circular orbit of radius 53 ampere .calculate the centripetal acceleration electron on charge 1.6*10^-19
Tuesday, May 28, 2013 at 11:38pm

science
Do the humps on a camel store water.
Tuesday, May 28, 2013 at 9:38pm

science
What is an adaptation that helps animals get water besides a trunk.
Tuesday, May 28, 2013 at 9:19pm

URGENT SCIENCE
1. You travel 400km in 4 hours. Your______ speed is 100km/h. (1point) constant average*** instantaneous initial am i right?
Tuesday, May 28, 2013 at 9:13pm

science
What are 2 adaptions animals use to keep cool
Tuesday, May 28, 2013 at 8:19pm

science
What are 2 adaptations that animals use to get food and water.
Tuesday, May 28, 2013 at 8:01pm

science
i need help on an electron acrostic!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Tuesday, May 28, 2013 at 4:43pm

science
what is the product or reaction between H3O + AgNO3?
Tuesday, May 28, 2013 at 11:53am

science
what is the product or reaction between H3O + AgNO3?
Tuesday, May 28, 2013 at 11:52am

7th grade Science
1. The atmosphere of Earth is an example of a ______solution.(1point) liquid-liquid gas-liquid gas-gas** solid-liquid Am I correct?
Monday, May 27, 2013 at 10:31pm

science
A chemical reaction in which to or more substance undergo a chemical union to form more complex substance is a what reaction?
Monday, May 27, 2013 at 6:28pm

Math
Gerald can complete a math assignment in 2 hours and a physics assignment in 1 hour. If he has 8 hours to complete a set of assignments, how many math assignments can he complete if he decides to leave the science assignments for the next day? This situation is given by 2x + y...
Monday, May 27, 2013 at 6:13pm

algeba
1 1/2x-4 2/3=11/6 not sure on how to put fractions in on the computer.
Monday, May 27, 2013 at 3:26pm

science
Should humans be concerned with the extinction rate? And discuss whether or not humans strive to preserve representative samples of all biomes on the planet.
Monday, May 27, 2013 at 10:51am

Science
80.00 kg man catches a puck moving at 20 m/s, man is initially at rest. Man and puck move together after collision. The pucks mass is 0.16 kg, what is the final velocity?
Monday, May 27, 2013 at 9:59am

science chemistry
Given 4K + O2 → 2K2O, what is the reaction type? Single Replacement Double Replacement Synthesis (formation) Decomposition
Sunday, May 26, 2013 at 5:51pm

computer
how Microsoft Office Word, Excel, and PowerPoint are used to support various work environments.
Sunday, May 26, 2013 at 3:43pm

Science
10 g of acetic acid are combined with 5 g of sodium bicarbonate in a beaker with a mass of 25 g. After the reaction, the mass of the beaker with the new solution was only 39 g. How ould this change in mass be explained?
Sunday, May 26, 2013 at 3:16pm

Engineering science
A vehicle with a mass of 1200 kg accelerates uniformly from rest upwards with an incline of 1:25 and reaches a speed of 72 km/h after 2 minutes,calculate: 1.The kineyic energy of the vehicle after 2 minutes 2.The potential energy of the vehicle after 2 minutes
Sunday, May 26, 2013 at 10:16am

Science
Draw (x-t)graph on graph paper which represents a body is travelling with uniform motion.
Sunday, May 26, 2013 at 6:43am

Science
A car of mass 1200kg accelerates from rest at a rate of 2m/s^-2. Calculate how long it should take to reach a velocity of 50m/s.
Saturday, May 25, 2013 at 6:24pm

Science
Search for a Psychology journal that investigates the relationship between sleep and memory. It should include specific variables. The article must be an empirical study and peer reviewed.
Saturday, May 25, 2013 at 5:23pm

science
Describe three potential extraneous variables in your experiment on whether prayer causes healing
Saturday, May 25, 2013 at 11:50am

science
I'm trying to unscramble the following letters to make a sentence. Help! ipsoosousceeeuysethsumtatdoyngc
Friday, May 24, 2013 at 11:28am

science
calculate the amount of hydrogen gas involved if ferrous + 2hcl = ferrous choloride + h2 if 55 gramme iron is reacting with 36.5 hydrochloric acid .
Friday, May 24, 2013 at 11:05am

science
how do we know that there are 100 trillion cells in our body i mean who count them or is there any activity behind?
Friday, May 24, 2013 at 12:18am

Science
Explain if quadruplets-four babies born at one birth are always identical or always fraternal, or if they can be either.
Thursday, May 23, 2013 at 7:20pm

science
Describe three potential extraneous variables in your experiment on whether prayer causes healing. Support your answer
Thursday, May 23, 2013 at 6:44pm

Science
True or False: The input current to a transformer is direct current.
Thursday, May 23, 2013 at 6:05pm

SCIENCE - HELP PLEASE!
Some materials are magnetic because... A. their protons are magnetic B. their atoms behave like magnets C. they have magnetic fields around them D. they have a north pole (I think it's C.)
Thursday, May 23, 2013 at 5:20pm

science
If you were to conduct an experiment on prayer and healing, what would be the best way to acquire your sample so as to eliminate any bias?
Thursday, May 23, 2013 at 5:03pm

science
Describe three potential extraneous variables in your experiment on whether prayer causes healing
Thursday, May 23, 2013 at 12:48pm

science grade 8
Please, explain why do you think that blowout preventer (BOP)was likely a hydraulic system (in the 2010 Deep Water Horizon oil spill accident), and what are the advantages and disadvantages of this hydraulic system in the Deep Water Horizon oil spill. Give an example from this...
Thursday, May 23, 2013 at 12:45pm

curriculum content
when are children first developmentally ready to begin learnig science?
Thursday, May 23, 2013 at 12:39pm

Science (2nd Try)
To determine the boing point of a liquid, a student heats 10 mL of the liquid in a test tube and records the temperature every minute for 20 minutes. In this example, time is the what? The choices are: Independent variable dependent variable hypothesis control Is it dependent ...
Thursday, May 23, 2013 at 12:06pm

science
How can you attempt to control for any extraneous variables within a sample experiment on prayer and healing?
Thursday, May 23, 2013 at 11:01am

science
If you were to conduct an experiment on whether prayer causes healing, what would the dependent variable be?
Thursday, May 23, 2013 at 10:27am

science
Formulate a testable hypothesis to make a specific prediction about whether prayer causes healing.
Thursday, May 23, 2013 at 10:15am

physical science
On a new temperature scale the steam point is 348 °X, and the ice point is 112 °X. What is the temperature on this scale that corresponds to 28.0 °C?
Thursday, May 23, 2013 at 5:54am

math,science
if 5cosa + 3 = 0 and 180<a<360 , find the value of 3tana + 25sin^2a
Thursday, May 23, 2013 at 12:57am

6th grade science
The erosive energy of rivers alters landscapes over periods of millions of years. Which of the following increases a river's rate of erosion? A)low gradient B)high discharge C)small load D)decreased speed
Wednesday, May 22, 2013 at 11:24pm

English
Homework Help: English Posted by rfvv on Wednesday, May 22, 2013 at 8:22pm. 1. There are works of art on the buletinboard at the back. 2. There are five works of art on the bulletinboard in the back. 3. There are many tables and chairs in the English classroom. 4. There is a ...
Wednesday, May 22, 2013 at 10:12pm

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