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April 24, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

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science help!!!
considering that lung transplants are almost always unsuccessful what might you suggest as a treatment for someone who is suffering from emphysema?
Wednesday, November 6, 2013 at 10:17pm

Math
The first modern electronic computer, called ENIAC, was introduced in 1946. Personal home computers were not available until 28 years later. In what year were personal home computers introduced.
Wednesday, November 6, 2013 at 10:02pm

science
A positive test charge of 6.00 µC is placed in an electric field, which exerts a force of 5.00 x 10-4 N on the test charge. What is the magnitude of the electric field strength at the location of the test charge? (remember E = Fon q' / q', and 1 µC = 1.00 x...
Wednesday, November 6, 2013 at 7:29pm

science
What is the difference between gravitational force and the electric field?
Wednesday, November 6, 2013 at 7:16pm

science
The units for expressing electric field strength include:
Wednesday, November 6, 2013 at 7:14pm

Science
I need some chemical properties for the element Arsenic
Wednesday, November 6, 2013 at 5:53pm

Science
I need some chemical properties for the element Arsenic
Wednesday, November 6, 2013 at 5:51pm

Science
3. What can scientists learn from the rate at which radioactive elements decay? (1 point)
Wednesday, November 6, 2013 at 5:28pm

science
2. How do enzymes impact biochemical reactions in the body? A. Enzymes are catalysts to biochemical reactions. B. Enzymes lower the activation energy of biochemical reactions. C. Enzymes can speed up biochemical reactions. D. All of the above are correct.
Wednesday, November 6, 2013 at 3:53pm

science
1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the ...
Wednesday, November 6, 2013 at 3:52pm

Science
1. The sporophyte generation produces spores that grow into a(n) (1 point) gametophyte. gymnosperm. angiosperm. pupa. 2. Placental mammals develop (1 point) in an egg laid in water. in a pouch on the mother’s body. inside the mother’s body. inside an amniotic egg. 3...
Wednesday, November 6, 2013 at 2:15pm

Science
1. The sporophyte generation produces spores that grow into a(n) (1 point) gametophyte. gymnosperm. angiosperm. pupa. 2. Placental mammals develop (1 point) in an egg laid in water. in a pouch on the mother’s body. inside the mother’s body. inside an amniotic egg. 3...
Wednesday, November 6, 2013 at 2:02pm

Science
1. The sporophyte generation produces spores that grow into a(n) (1 point) gametophyte. gymnosperm. angiosperm. pupa. 2. Placental mammals develop (1 point) in an egg laid in water. in a pouch on the mother’s body. inside the mother’s body. inside an amniotic egg. 3...
Wednesday, November 6, 2013 at 1:31pm

Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...
Wednesday, November 6, 2013 at 1:13pm

Science
During which section of the geologic time period did the first modern humans evolve? a. during the Paleogene period of the Cenozoic era. b. during the Quaternary period of the Cenozoic period. c. during the Cretaceous period of the Mesozoic era. d. during Precambrian time. B
Wednesday, November 6, 2013 at 12:24pm

Science
which of the following vertebrates had the chance to become abundant after the dinosaurs became extinct? a. wolly mammoths b. amphibians c. mammals d. reptiles C
Wednesday, November 6, 2013 at 12:15pm

Science
Which of the following vertebrates had the chance to become abundant after the dinosaurs became extinct? a. wolly mammoths b. amphibians c. mammals d. reptiles C
Wednesday, November 6, 2013 at 11:45am

Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...
Wednesday, November 6, 2013 at 11:19am

Science
3. What can scientists learn from the rate at which radioactive elements decay? (1 point)
Wednesday, November 6, 2013 at 10:19am

Social Science
Reading this article, Happiness is a thing called stable extraversion: a further examination of the relationship between the Oxford Happiness Inventory and Eysenck's dimensional model of personality and gender Determine what the independent and dependent variables are in ...
Wednesday, November 6, 2013 at 10:17am

science
on the windward side of the mountain, should the relative humidity of the parcel change as it rises from 3000 feet to 6000 feet? Why?
Wednesday, November 6, 2013 at 10:08am

science help pleaseeeeeeeeeeeeeeeee?
I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of the most effective ...
Wednesday, November 6, 2013 at 7:54am

Math/Science
Explain how you could determine, give the following 3 pieces of information, (you need all 3 together not each one individually) the radius of the Earth. 1)Jakarta and Port Moresby, the capital of pau New Guinea, are two cities on the equator. 2) A plane leaves from Port ...
Wednesday, November 6, 2013 at 1:31am

Science
the gravitational force between two objects is proportional to the blank of the distance blank
Tuesday, November 5, 2013 at 10:03pm

science
Create a diamante poem about acids and bases.
Tuesday, November 5, 2013 at 9:22pm

Earth Science
do you think that the earthquake that affected japan should have a impact on the nuclear issues for the united states ? DONT UNDERSTAND THIS QUESTION AT ALL !
Tuesday, November 5, 2013 at 7:40pm

science
which of earths spheres contains mountains,valleys , and other landscapes ? a) atmosphere b) biosphere c) geosphere d) hydrosphere
Tuesday, November 5, 2013 at 6:54pm

science
what keeps earth from falling into the sun ? gravitational pull or inertia
Tuesday, November 5, 2013 at 6:45pm

physics
My teacher needs us to formulate a question for the science fair. Till now, we have only learned the Kinematics equations, HELP, please....
Tuesday, November 5, 2013 at 6:07pm

math
two computer disks and three notebooks cost $17 however, five computer disks an four notebooks cost $32.find the price of each
Tuesday, November 5, 2013 at 2:54pm

Science
How long will a skateboarder be out if they decide to travel for 654 meters with a velocity of 1.2 m/s
Tuesday, November 5, 2013 at 1:44pm

Science
Please help I don't understand this! If the following compound is combined, how many if each would be needed to make electrically neutral compound? Fe(3+) &Cl(1-)
Tuesday, November 5, 2013 at 12:01pm

science
Any topic (writer's choice) Research paper Science 3 pages / 825 words Discipline: Science Type of service: Writing from scratch Format or citation style: APA
Tuesday, November 5, 2013 at 9:02am

Science
a ball weighing 1.78N is shot through a launcher, achieving a speed from rest of 41 m/s in 0.28s what is the acceleration of the ball as it moves through the launcher?
Tuesday, November 5, 2013 at 7:31am

Science
1. Can a cat see well at night? 2. Does a bear have 42 teeth? 3. Can a fish close its eyes? 4. Can a hippo stay under water for 30 minutes? (What is the answer to the question?)
Tuesday, November 5, 2013 at 6:38am

Science
What measurement is made with a triple beam balance? My answer was going to be Mass, but I didn't know if the answer could be Grams or not. Please help!
Monday, November 4, 2013 at 6:13pm

Science
What are some ways force can affect motion?
Monday, November 4, 2013 at 4:43pm

Science
Explain how to use a triple beam balance.
Monday, November 4, 2013 at 4:24pm

Science
What measurement is made with a triple beam balance? My answer was going to be Mass, but I didn't know if the answer could be Grams or not. Please help!
Monday, November 4, 2013 at 4:03pm

science
apa style last reference citation Write the correct references citations in the body of the text for the following A number of earlier studies have consistently found similar results (Robert Hayes and James Larson, 2006. Brian Hayes, 2007. Frank Hayes and Michael Stone 2009, ...
Monday, November 4, 2013 at 1:38pm

science
apa style even more reference citations Write the correct references citations in the body of the text for the following ...evidence which supports their theory (Decker and brown, in 2005, Decker and brown in 2007, Decker and brown again in 2007. Collins and Pine in 2009. ...
Monday, November 4, 2013 at 1:37pm

science
apa style again another reference citation Write the correct references citations in the body of the text for the following ...in a number of studies (Harrott and Wilson:2011. Quist and Jones: 2006).
Monday, November 4, 2013 at 1:36pm

science
apa style another reference citation Write the correct references citations in the body of the text for the following Studies by both Choi and Carlyle (2010/2008) & Grant and Murphy (2005/2004), found.
Monday, November 4, 2013 at 1:36pm

science
apa style Write the correct references citations in the body of the text for the following A recent study (by Smith and Cooper in 2000) found...
Monday, November 4, 2013 at 1:34pm

science
apa style more references identify at least seven different problems with the following reference and the re-write the reference in its proper form Doherty, Sam; Ames, Leslie; & Clark, David. (2003). The Effects of Music on Perceptual Tasks, in H. Burns (Ed.), The effects of ...
Monday, November 4, 2013 at 1:32pm

science
apa style another one identify at least seven different problems with the following reference and the re-write the reference in its proper form Walter John Gowan; Advertising in American Society (4th ed.), New York, New York: Mr. Robert Jones and his sons, 2001.
Monday, November 4, 2013 at 1:31pm

science
apa style Different reference identify at least seven different problems with the following reference and the re-write the reference in its proper form Jo-Anne James; John Welles. (Nov.2009). The effects of Sleep Deprivation on Driver Errors, journal of applied psychology, vol...
Monday, November 4, 2013 at 1:31pm

science
apa style identify at least seven different problems with the following reference and the re-write the reference in its proper form Gary Fisher, Alan Brady and Joan Lees. A study of On-Line Learning Styles. (2011). The journal of psychology, vol. 12, pp. 85 to 114
Monday, November 4, 2013 at 1:30pm

Science
During protein synthesis, the sequence of nucleotides in an mRNA transcript is translated into a sequence of ___. I'm stuck on this question.
Monday, November 4, 2013 at 12:24am

science
last reference citation Write the correct references citations in the body of the text for the following A number of earlier studies have consistently found similar results (Robert Hayes and James Larson, 2006. Brian Hayes, 2007. Frank Hayes and Michael Stone 2009, 2009, K....
Sunday, November 3, 2013 at 7:32pm

science
even more reference citations Write the correct references citations in the body of the text for the following ...evidence which supports their theory (Decker and brown, in 2005, Decker and brown in 2007, Decker and brown again in 2007. Collins and Pine in 2009. VanVeen and ...
Sunday, November 3, 2013 at 7:29pm

science
again another reference citation Write the correct references citations in the body of the text for the following ...in a number of studies (Harrott and Wilson:2011. Quist and Jones: 2006).
Sunday, November 3, 2013 at 7:14pm

science
another reference citation Write the correct references citations in the body of the text for the following Studies by both Choi and Carlyle (2010/2008) & Grant and Murphy (2005/2004), found...
Sunday, November 3, 2013 at 7:12pm

science
more reference citations Write the correct references citations in the body of the text for the following ...as in the present experiment, (Adams, Jim, and Mills, Jack. 2007, World Publishers).
Sunday, November 3, 2013 at 7:10pm

science
Write the correct references citations in the body of the text for the following A recent study (by Smith and Cooper in 2000) found...
Sunday, November 3, 2013 at 7:06pm

science
more references identify at least seven different problems with the following reference and the re-write the reference in its proper form Doherty, Sam; Ames, Leslie; & Clark, David. (2003). The Effects of Music on Perceptual Tasks, in H. Burns (Ed.), The effects of relaxation ...
Sunday, November 3, 2013 at 7:04pm

science
another one identify at least seven different problems with the following reference and the re-write the reference in its proper form Walter John Gowan; Advertising in American Society (4th ed.), New York, New York: Mr. Robert Jones and his sons, 2001.
Sunday, November 3, 2013 at 6:57pm

science
Different reference identify at least seven different problems with the following reference and the re-write the reference in its proper form Jo-Anne James; John Welles. (Nov.2009). The effects of Sleep Deprivation on Driver Errors, journal of applied psychology, vol 20, ...
Sunday, November 3, 2013 at 6:55pm

science
identify at least seven different problems with the following reference and the re-write the reference in its proper form Gary Fisher, Alan Brady and Joan Lees. A study of On-Line Learning Styles. (2011). The journal of psychology, vol. 12, pp. 85 to 114
Sunday, November 3, 2013 at 6:52pm

Science
a wagon that has a mass of 8kg? If the net force on a wagon is 4N, what is the wagon’s acceleration?
Sunday, November 3, 2013 at 6:12pm

science
if a car can go from 0 to 60 mi/hr in 8 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50mi/hr
Sunday, November 3, 2013 at 3:25pm

science
aluminum boat 14,5g volume 450cm3, how many pennies at 2.5g until boat sinks
Sunday, November 3, 2013 at 10:28am

Science
I need help with this chemistry flame test lab discussion question. "List the metals used in this lab in increasing order of the energy of the light emitted." We tested BaCl2, CaCl2, CuCl2, FE(NO3)3, KCl, LiCl, NaCl, & Sr(No3)2. I'm not completely sure how to ...
Sunday, November 3, 2013 at 8:52am

Science - Physics, I need help with both please.
A 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. What was the average force of air resistance (e.g., friction) acting on the diver? Bonus: What is the force of friction underwater if she reaches a depth of 2.5 m ...
Saturday, November 2, 2013 at 11:31pm

science
5 facts on how Ultraviolet ray,X-rays and gamma rays are dangerous to and their sources.
Saturday, November 2, 2013 at 6:59pm

science
Find and save a piece of junk mail. What is this piece of mail trying to persuade you to do? Were you at all tempted by the offer? Why or why not? What principles of social psychology does it use to accomplish its goals? How could you use your social psychology knowledge to ...
Saturday, November 2, 2013 at 12:41pm

Math
7. Add 7 1/2+3/4= 1 1/4 8. Divide 3/4 / 2/3= 1 1/8 9. Sam has 4 projects due next Friday. he has completed 1/2 of his English project, 0.25 of his History project, 1/8 of his Science project, and 75% of his Math project. Write the list of these 4 projects in order from the one...
Saturday, November 2, 2013 at 12:39pm

science
The piece of junk mail i found was about the new ipad air What is this piece of mail trying to persuade you to do? Were you at all tempted by the offer? Why or why not? What principles of social psychology does it use to accomplish its goals? How could you use your social ...
Saturday, November 2, 2013 at 12:24pm

SCIENCE (HELP)
how does the earth’s surface get heated by the sun’s radiation?
Saturday, November 2, 2013 at 11:58am

science
i need to know about acids and alkalis back in arab times
Saturday, November 2, 2013 at 7:15am

Computer
Give 10 written information in an address book.
Friday, November 1, 2013 at 11:29pm

Math
The cost of an order of 10 computer disks and 3 packages of paper was $27. The next order was for 30 disks and 5 packages, and the cost was $65. Find the cost of a single disk and a single package of paper.
Friday, November 1, 2013 at 10:56pm

Earth Science PLZ HELP
Based on what you have discovered, which of the following conditions would lead to the formation of clouds? 1. Moist air moves up as it encounters a mountain range. 2. High pressure is moving into an area. 3. The air over a large parking lot is warmer in the afternoon than the...
Friday, November 1, 2013 at 8:30pm

science HELP
What role does pressure play in the formation of the clouds?
Friday, November 1, 2013 at 8:26pm

science
20. Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life. Can you help me Ms. Sue?
Friday, November 1, 2013 at 3:31pm

Science
If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look? a. in the section for the Ordovician period of the Paleozoic era. b. in the section for the Quaternary period of the Cenozoic era. c. in the section for the Triassic ...
Friday, November 1, 2013 at 2:01pm

science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Friday, November 1, 2013 at 1:05pm

science
Why do you think the presence of smoke contributed to cloud formation?
Friday, November 1, 2013 at 9:13am

science
which of the following is more eco-friendly than the others? 1.Burning of Petrol 2.Burning of COAL. 3.Burning of Charcoal 4.Burning Of Cowdung.
Friday, November 1, 2013 at 8:38am

statistics
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 6 9 11 11 5 14 8 ...
Friday, November 1, 2013 at 3:41am

Science
If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look? a. in the section for the Ordovician period of the Paleozoic era. b. in the section for the Quaternary period of the Cenozoic era. c. in the section for the Triassic ...
Friday, November 1, 2013 at 12:14am

science
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 4.8-kg projectile from rest to a speed of 3.9 103 m/s. The net force accelerating the projectile is 4.8 105 N. How much time is...
Friday, November 1, 2013 at 12:00am

Science
Which of the following is a disadvantage of external fertilization. a) gametes are released into the surroundings b) gametes are washed away c) the developing zygote is protected d) large number of eggs can be produced at one time
Thursday, October 31, 2013 at 7:26pm

English
He won first prize for the solar lamp in the science fair. (What is the meaning of 'for' in the sentence? Is 'for the solar lamp' an adjective phrase modifying 'prize' or and adverbial phrase modifying 'won'?)
Thursday, October 31, 2013 at 6:14pm

Science
Determine the frequency of a microwave 6.0 cm in length.( A microwave is an electromagnetic wave.It travels through space at a speed of 3.0 x 10 ^8 m/s)
Thursday, October 31, 2013 at 5:44pm

Science >.<
if a wave is traveling at 60cm/second and has a wavelength of 15cm what is the frequency? Please explaine
Thursday, October 31, 2013 at 5:31pm

Science question
What would happen to the current model of the atom if new information about it’s structure is discovered in the future? Would it be revised, strengthened,proven or defended?
Thursday, October 31, 2013 at 5:27pm

soicalstudies
before I start I wanna say I don't known of this and don't have a book help ----------------------------------------​------------------ 1.greece's economy prospered thanks to A.the arts B.philosophy C.trade D.architecture...
Thursday, October 31, 2013 at 5:22pm

Science
When you inhale, where is there more oxygen, in the lungs or body.
Thursday, October 31, 2013 at 5:08pm

Science
If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look? a. in the section for the Ordovician period of the Paleozoic era. b. in the section for the Quaternary period of the Cenozoic era. c. in the section for the Triassic ...
Thursday, October 31, 2013 at 3:56pm

Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...
Thursday, October 31, 2013 at 12:57pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Thursday, October 31, 2013 at 11:17am

Science (urgent!)
Three characteristics of friction force and surface type. Three characteristics of friction force and mass. Three characteristics of friction force and surface area. I don't quite understand what they mean by characteristics, or what they want me to do. Could I please get ...
Thursday, October 31, 2013 at 9:32am

Science
Is a cucumber a fruit or a vegetable?
Thursday, October 31, 2013 at 6:53am

science
The two tables below give the relative-risk of developing a stroke, in relation to blood pressure and body mass index. The data are based on a population of men from the USA. The values in the first table are given in comparison with the total population. The values in the ...
Thursday, October 31, 2013 at 6:21am

science please help
Sources and uses for the following: Radio waves Microwaves Infrared Waves Visible Light Waves Ultraviolet Waves X-Rays Gamma rays
Wednesday, October 30, 2013 at 10:53pm

Science
Fill in the blank- The gravitational force between two objects is proportional to the ______ of the masses of the objects.
Wednesday, October 30, 2013 at 10:05pm

Science
List: Three characteristics of friction force and surface type. Three characteristics of friction force and mass. Three characteristics of friction force and surface area.
Wednesday, October 30, 2013 at 9:40pm

Science
Under which of the following conditions would a fossil most likely form? a. a living thing dies and sediment is very slowly deposited on top of its body b. a living thing dies and sediment quickly covers its body* c. a living thing dies and its skeleton is left exposed to the ...
Wednesday, October 30, 2013 at 8:57pm

math
tom bought a computer for 15% off from the list price of p dollars. if the sales tax was 8%, how much did he pay for the computer including sales tax?
Wednesday, October 30, 2013 at 7:43pm

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