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April 18, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Post a New Question | Current Questions

Happy Pi Day
From the article: "The Illinois Science Council and Fleet Feet Sports are hosting a 3.14-mile walk/run Friday night, ." It is ironic that the state of Illinois actually introduced a bill , the notorious #246, which attempted to declare the value of π to be 3. ...
Friday, March 14, 2014 at 7:22pm

science
sakcnascn
Friday, March 14, 2014 at 5:46pm

Science on dissolving
Some medicines are more effective if they dissolve slowly. How could you design a pill that would take longer to dissolve?
Friday, March 14, 2014 at 5:05pm

science
http://simple.wikipedia.org/wiki/Malleab​ility In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
Friday, March 14, 2014 at 4:01pm

science (?)
What phenotypes?
Friday, March 14, 2014 at 3:55pm

Earth science
Right.
Friday, March 14, 2014 at 11:45am

science
How can two parents with only one round allele between them (1 out of 4 alleles) produce an F1 generation in which 50% of individuals have round seeds? What appears to be the inheritance pattern for seed shape?
Friday, March 14, 2014 at 11:07am

science
If Mendel had only looked at a single cross that produced 10 offspring to determine the pattern of inheritance of seed shape in pea plants, what might he have inferred?
Friday, March 14, 2014 at 11:06am

science
What happened to the proportions of the two phenotypes as the F1 generation grew from 10 to 100 offspring? Why?
Friday, March 14, 2014 at 11:06am

Physical Science
546 m
Friday, March 14, 2014 at 9:33am

Physical Science
1.5 m/s
Friday, March 14, 2014 at 9:22am

8th Grade Earth Science Help?
:-)
Friday, March 14, 2014 at 12:30am

science
Is this hypothesis in the right format?. When yeast and vinegar are put together, they will form an endothermic reaction.
Thursday, March 13, 2014 at 11:56pm

Earth science
The greenhouse effect is a result of A. consumption of fruits and vegetables that produce a biofuel. B. absorption and radiation of energy in the hydrosphere. C. absorption and radiation of energy in the atmosphere. D. consumption and radiation of energy in the atmosphere. D?
Thursday, March 13, 2014 at 11:29pm

Earth science
1. Which of the following is not a natural cause of climatic change? A. Earth's tilt B. Solar activity C. Human activity D. Volcanic activity I think it is C
Thursday, March 13, 2014 at 11:27pm

science
One property used to broadly classify elements is malleability. If a substance is malleable, it can be hammered, shaped, and flattened without shattering. Which group of elements has this property? A. Metals B. Metalloids C. Nonmetals D. Noble gases
Thursday, March 13, 2014 at 8:51pm

Science
How many moles of O2 are needed to react with 1.5 moles of SO2?
Thursday, March 13, 2014 at 7:55pm

Science
How many moles of O2 are needed to make 1.98 moles of SO3?
Thursday, March 13, 2014 at 7:55pm

science
how many moles of SO2 are needed to make 3 moles of SO3?
Thursday, March 13, 2014 at 7:54pm

Science
how many moles of SO3 are produced from 3 moles of O2?
Thursday, March 13, 2014 at 7:51pm

science
False!
Thursday, March 13, 2014 at 6:56pm

science pls help
omg THANK YOU STEVE!!!!!
Thursday, March 13, 2014 at 5:43pm

science pls help
correct. At least it appears you can match up the provided answers with the lists of choices...
Thursday, March 13, 2014 at 5:39pm

science pls help
sry, im not that great at math even though this is science. so the answers are 1. true 2. c 3. a 4. a right...? thanx Steve!:)
Thursday, March 13, 2014 at 5:37pm

science pls help
Looks like you need to brush up on one of the most basic and useful identities in mechanics: F = ma F(N) = m(kg) * a(m/s^2) 1 N = 1 kg-m/s^2 So, with that in mind, #1: F = ma = 40kg * 10m/s^2 = 400 kg-m/s^2 = 400N #2: F = ma = 60kg * 2m/s^2 = 120N Note that you can eliminate ...
Thursday, March 13, 2014 at 5:31pm

science pls help
sry..... im actin real derpy right now this is for 4. so the answer is b m=fa kill me if i got that wrong
Thursday, March 13, 2014 at 5:30pm

science pls help
This is all the same question, Newton's second law. Force = mass * acceleration THINK !!!
Thursday, March 13, 2014 at 5:26pm

science pls help
i posted this earlier but got a confusing answer so pls help as best as u can asap! True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How much force is needed to...
Thursday, March 13, 2014 at 5:21pm

Language arts: check my answers
My answers: 7) While I was researching skate boards, I found an interesting old newspaper story. 8) In the June 29, 1999 edition of the Mercury, there was an article on skateboarding. 9) Some scientists in San Francisco, California filmed skateboarders in action. 10) As they ...
Thursday, March 13, 2014 at 5:13pm

Language arts: check my answers
For questions 7–15, rewrite each sentence, adding commas where needed. (7) While I was researching skateboards I found an interesting old newspaper story. (8) In the June 29 1999 edition of the Mercury there was an article on skateboarding. (9) Some scientists in San ...
Thursday, March 13, 2014 at 5:13pm

science URGENT so need help
F = m a
Thursday, March 13, 2014 at 4:47pm

science URGENT so need help
PLS HELP ASAP True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How much force is needed to make a 60 kg object accelerate at a rate of 2.0 m/s2? (1 point) 62 N ...
Thursday, March 13, 2014 at 4:45pm

Science check my answers
Which step in the nitrogen cycle is accelerated at the beginning of the eutrophication process? denitrification*** nitrogen fixation producer uptake of nitrogen consumer decomposition Which of the following is carried out by denitrifying bacteria? break down large, nitrogen-...
Thursday, March 13, 2014 at 4:38pm

Science
Try b If the pressure is high enough, the ice can be pushed uphill or in any direction toward lower pressure. This is not common but happens.
Thursday, March 13, 2014 at 4:36pm

Science: my answers
Thank you!!!
Thursday, March 13, 2014 at 4:36pm

Science: my answers
yes
Thursday, March 13, 2014 at 4:33pm

math
Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go with her new jeans. ...
Thursday, March 13, 2014 at 4:29pm

Science: my answers
Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? nitrogen-fixing bacteria denitrifying bacteria decomposers producers***
Thursday, March 13, 2014 at 4:14pm

science (check answer?)
Well i also learned this so i got the same question from my school and the answer was they are all metals. Its 100% right
Thursday, March 13, 2014 at 4:10pm

MATH
Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go with her new jeans. ...
Thursday, March 13, 2014 at 4:09pm

Science
Hey, go Google Periodic table. Table was invented before protons and electron valence effects were known about. It is D historically.
Thursday, March 13, 2014 at 4:06pm

Science
Which best describes the similarities among elements included in the same column of the periodic table? A. They have the same state at room temperature. B. They have the same number of protons. C. They have the same number of electrons. D. They have similar chemical properties.
Thursday, March 13, 2014 at 4:02pm

Science
I never heard of a glacier flowing uphill :) They certainly do flow downhill to the ocean.
Thursday, March 13, 2014 at 3:42pm

Science
I answered this
Thursday, March 13, 2014 at 3:39pm

Science
The first one was wrong...
Thursday, March 13, 2014 at 3:32pm

Science
Thank you:)
Thursday, March 13, 2014 at 3:28pm

science motion short answer
omg, the question is so STUPID. IM DONE ok, is this better?: i live 25 meters from school. it takes me 3600 seconds to get there. but it takes longer in traffic, so then it takes.......... i dont even know, but is that better? (i doubt it) i dont even know wut im doing here, ...
Thursday, March 13, 2014 at 3:28pm

Science
Now wait a minute, where do you think icebergs come from (think Greenland or Alaska or Antarctica). I think c --------------------------------- agree on conservation plowing although I suppose you could also call it recycling. terracing is making various flat levels like ...
Thursday, March 13, 2014 at 3:28pm

Science
Which of the following statements about continental glacial movement is correct? A. continental glaciers can only flow uphill b. continental glaciers can flow in all directions c. continental glaciers can only flow downhill d. continental glaciers do not flow at all. *** A ...
Thursday, March 13, 2014 at 3:27pm

Science
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. If you follow directions, you're much more likely to get help sooner.
Thursday, March 13, 2014 at 3:21pm

Science
What is the composition of the A horizon ? a. topsoil b. subsoil c. bedrock d. water Either b or d? ^^
Thursday, March 13, 2014 at 3:19pm

Science
idk
Thursday, March 13, 2014 at 3:19pm

Science
OOOhhh ok lol Ty yet again. :)
Thursday, March 13, 2014 at 3:19pm

Science
Ty :)
Thursday, March 13, 2014 at 3:19pm

Science
So yes, C
Thursday, March 13, 2014 at 3:18pm

Science
Force times distance in direction of force If not moving in cafeteria line - no work If moving forward in line and weight of tray is down, force not in direction of motion --> NO WORK
Thursday, March 13, 2014 at 3:18pm

Science
NO !! F = m A m is just a scalar Acceleration in the SAME direction as applied net force
Thursday, March 13, 2014 at 3:16pm

Science
Which of the following statements about continental glacial movement is correct? A. continental glaciers can only flow uphill b. continental glaciers can flow in all directions c. continental glaciers can only flow downhill d. continental glaciers do not flow at all. *** A ...
Thursday, March 13, 2014 at 3:15pm

science motion short answer
position for example would be meters in SI units, but could be inches or leagues or light years and you must specify units or be completely wrong. Actually in SI units your 1 hour to school was 3600 seconds. The point is that you must specify.
Thursday, March 13, 2014 at 3:15pm

Science
Which of the following is not an example of work? A. raising a barbell over your head B. picking up a box off the floor C. holding a tray in the cafeteria line D. pushing a box across the floor I think its C.
Thursday, March 13, 2014 at 3:12pm

History
Oh tytyty :) I posted a science question and what I got can you correct for me?
Thursday, March 13, 2014 at 3:10pm

Science
In what direction does an applied force move an object? It moves opposite right?
Thursday, March 13, 2014 at 3:10pm

science motion short answer
u said this in another persons post on the same answer: position in meters speed or velocity in meters/second acceleration in meters/second^2 wut do u mean?? anyway, something like this maybe?: I live 25 miles from school. It usually takes me 1 hour to get there. But it takes ...
Thursday, March 13, 2014 at 3:07pm

"anonymous"
I cannot reliably check these answers because I am not a science tutor, but you and TTR should take to heart everything that Damon wrote BECAUSE he is a science expert. You should complain to your school that you are getting a substandard education if all they are providing ...
Thursday, March 13, 2014 at 2:57pm

science motion short answer
I ran fifty (miles? degrees? millimeters?) I am sure you can come up with two more :)
Thursday, March 13, 2014 at 2:52pm

science motion short answer
9. Provide three statements that demonstrate the importance of units when describing motion. (3 points) i dunno wut they r askin... so..... if u can help, 3 sentences would be gr8 pls help asp thx
Thursday, March 13, 2014 at 2:41pm

science (check answer?)
I think Aluminum is all metal. My only question would be Germanium which is considered a "semi-metal being a semiconductor. However I really think they are all metals.
Thursday, March 13, 2014 at 2:31pm

business law
Fortune 500 company that sells computer chips. A little company in the mid-west keeps underselling your company’s product. In response, you lower your product’s price, but only in the mid-west. The U.S. government declares that your company is in violation of the ...
Thursday, March 13, 2014 at 2:26pm

science (check answer?)
What does aluminum, germanium, and polonium have in common? A. They are gases. B. They have properties of metals and nonmetals. C. They are all metals. D. They have the same properties as the noble gases in the last column. (I think its B.)
Thursday, March 13, 2014 at 2:21pm

science
thx it was right!:)
Thursday, March 13, 2014 at 1:56pm

Science... plz help~!(?)
https://www.google.com/search?client=saf​ari&rls=en&q=popul+Vuh&ie=UTF-8&oe=UTF-8​#q=popol+vuh+mayan&rls=en
Thursday, March 13, 2014 at 1:55pm

science
An example of a net force of zero could be a squeeze between your fingers. If you squeezed hard enough I suppose you could split the wood. However I would tend under reasonable conditions to agree with your answer. If it had said a rubber, I would have said you could stretch ...
Thursday, March 13, 2014 at 1:49pm

science
You can add the magnitudes of forces if they are in the same direction. However watch out. You can not just add them if they are not in exactly the same direction.
Thursday, March 13, 2014 at 1:40pm

science
i thought so... that was my guess if it was 10
Thursday, March 13, 2014 at 1:37pm

science
If you have two 5 Newton forces pushing a block to the right, that is a total of 10 Newtons pushing to the right. There may also be a moment due to the forces, but that is not part of the question.
Thursday, March 13, 2014 at 1:36pm

Science
And how can I measure temperature at different stages if I do this experiment?
Thursday, March 13, 2014 at 1:35pm

science
5. What is the net force acting on the object below? (1 point) its two 5N arrows pushing a block to the right, like this 5N -----> and the block is here 5N -----> and the block is here 0 N 5 N 10 N 25 N do u multiply, add or what???
Thursday, March 13, 2014 at 1:32pm

Science
What happens when yeast and hydrogen peroxide are mixed together? What happens when yeast, hydrogen peroxide, and dish soap are mixed together?
Thursday, March 13, 2014 at 1:31pm

science one question
The questions are overly simplistic. It is impossible to change velocity at constant speed without acceleration. Even if going around a circle at constant speed, you have centripetal acceleration. In other words if you change direction at constant speed you need acceleration ...
Thursday, March 13, 2014 at 1:07pm

Global Studies
Thanks. I got another one. ________Is still a major employer in the Atlantic Provinces, particularly in Nova Scotia. a. Whaling<< b. Forestry c. shipbuilding d. computer manufacturing
Thursday, March 13, 2014 at 1:06pm

science
3. A section of the Periodic Table of the Elements is shown. Based on the positions of the elements, the two elements that have the most similar chemical properties are — A. calcium and scandium B. calcium and titanium C. titanium and vanadium D. magnesium and calcium 4. ...
Thursday, March 13, 2014 at 12:56pm

Science
hint: both correct choices involve only water
Thursday, March 13, 2014 at 12:52pm

Science
1. Of the following, the only change that is an example of a chemical change is — A. water evaporating from a puddle B. an iron nail rusting and turning an orange color C. a piece of paper being cut into smaller pieces D. a stick being broken in half 2. All of the ...
Thursday, March 13, 2014 at 12:49pm

8th Grade Science (Periodic Table)
My answers: 1) A 2) B, C, D 3) C 4) B, D 5) A, D, E
Thursday, March 13, 2014 at 12:43pm

8th Grade Science (Periodic Table)
1. What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? Properties of elements are related to atomic numbers. Properties of elements are related to ductility. Properties of...
Thursday, March 13, 2014 at 12:39pm

science one more question
4. A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat starts to run in the opposite direction and then quickly climbs a tree. Which of the following changes most accurately describes the movement of the cat? (1 point) change in speed change in distance ...
Thursday, March 13, 2014 at 12:36pm

science one question
2.Which of the following would be affected if a soaring eagle changed direction but remained at a constant speed? acceleration only velocity only*** acceleration and velocity neither i dont think it would be acceleration since the eagle stayed at a constant speed... help asap??
Thursday, March 13, 2014 at 12:29pm

science one question?
You are welcome, hardly a challenge though. Inches are certainly not SI :)
Thursday, March 13, 2014 at 12:13pm

science one question?
Thank you soooo much Damon!!!:D it was correct!
Thursday, March 13, 2014 at 12:05pm

science one question?
SI: meter , kilogram , second so meter is distance unit in SI system We used to call it the MKS system.
Thursday, March 13, 2014 at 12:03pm

Physical Science
Visible light photons are not energetic enough to penetrate skin and flesh.
Thursday, March 13, 2014 at 12:01pm

science one question?
3. Which of the following is an example of a SI unit for distance? (1 point) mile meter second inch
Thursday, March 13, 2014 at 12:01pm

Physical Science
X-rays can take pictures of your bones but visible light cannot. Explain why. Homework question, please and thank you!
Thursday, March 13, 2014 at 11:52am

Plz help me.
Science, My answers 1. D 2. D 3.? 4. C
Thursday, March 13, 2014 at 11:34am

math/science
48 sec
Thursday, March 13, 2014 at 11:26am

Science? Social Studies? What?
??? And no indication about what YOU THINK all these answers are?
Thursday, March 13, 2014 at 11:22am

Science check my answers
Water
Thursday, March 13, 2014 at 11:13am

Science
These apply to any subject. http://drdavespsychologypage.homestead.c​om/Be_Here_Now_.pdf http://drdavespsychologypage.homestead.c​om/Learning_Requirements.pdf http://drdavespsychologypage.homestead.c​om/Learning_Hints.pdf
Thursday, March 13, 2014 at 10:10am

Science? Social Studies? What?
??
Thursday, March 13, 2014 at 10:05am

Computer programming
.
Thursday, March 13, 2014 at 9:13am

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