Saturday
May 30, 2015

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

science
calculate the volume of gas at STP that is produced when 1g of silver nitrate is heated. the unbalanced reaction is: AgNO3(s)=Ag(s)+NO2(g)+O2(g)
Monday, May 18, 2015 at 12:04pm

Science 8
I need help on this portfolio project, I have to do a lab report on light refraction. The research question is "How does change in medium affect light?" and I need to make a hypothesis, but I don't know what to put.
Sunday, May 17, 2015 at 9:28pm

WEATHER SCIENCE SOS! I NEED ANSWERS CHECKED! SOS
How does latitude affect climate? a.) Areas near the equator have cooler climates than areas far from the equator. b.) Areas near the equator have warmer climates than areas far from the equator.*** c.) areas near the equator have 4 seasons.*** d.) areas near the equator do ...
Sunday, May 17, 2015 at 8:05pm

computer
16. How many virtual machines can you run at one time?
Sunday, May 17, 2015 at 2:50pm

Science
What is the similarities between conduction and radiation What is the similarities between convection and radiation
Sunday, May 17, 2015 at 1:41pm

science
if the actual mass of oxide at the end of the experiment is 130g, what is percentage yield?
Sunday, May 17, 2015 at 10:44am

science
name four principles of kinetic friction
Sunday, May 17, 2015 at 9:02am

science
How many kcal of heat energy are removed from the body with every 1 L of sweat?
Sunday, May 17, 2015 at 1:29am

Science help
Provide two statements that demonstrate the importance of units when describing motion. I don't know how to answer this question :(
Saturday, May 16, 2015 at 6:59pm

science (percentage yield)
if 100g of iron reacts with excess oxygen, how much rust should be produced?
Saturday, May 16, 2015 at 3:12pm

Science
What is the mass of 0.8mol of Na(ii)CO(iii)
Saturday, May 16, 2015 at 3:01am

Science
Which is the first layer of the atmosphere?
Saturday, May 16, 2015 at 2:02am

Science
Which of the following is true about all electromagnetic waves in a vacuum? A. they all carry the same energy B. they all travel at the same speed C. they all have the same frequency D. they all have the same wavelength I think it's B
Friday, May 15, 2015 at 7:06pm

Science
are animal species just any kind of animals.
Friday, May 15, 2015 at 7:06pm

Science
Which of the following correctly describes a gamma ray? A.long wavelength and low frequency B.long wavelength and high frequency C.short wavelength and low frequency D.short wavelength and high frequency*** check please
Friday, May 15, 2015 at 6:51pm

Science
When the energy of a sound wave is transferred to a particle of a medium and causes it to vibrate and generate hear, the sound wave is A. reflected B. refracted C. absorbed D. transmitted I think it's C. check please
Friday, May 15, 2015 at 6:40pm

science
is a squirrel a animal species
Friday, May 15, 2015 at 2:26pm

History
Cans someone help me. In 4 or 5 sentences, Explain how life changed from 1915-1920s with War World 1 in the beginning thru Prohibition and Jazz toward the end of the 1920s. I forgot my books on the bus. And i can't research it :/ can someone help me please. Im un able to ...
Friday, May 15, 2015 at 2:00pm

Science check answers
1. Which of the following explains how natural selection leads to evolution? Conditions in the environment reduce competition for resources within a species Helpful variations accumulate among surviving members of the species*** Overproduction provides food for stronger ...
Friday, May 15, 2015 at 1:16pm

Science 8th Grade
In what ways can outside forces affect an object's motion, position, and shape?
Friday, May 15, 2015 at 11:36am

science
find the no. of electron transferred between two ppints kept at a potential difference of 20V if 40 J of work is done
Friday, May 15, 2015 at 10:55am

Science
Name two types of evidence used to support the theory of evolution. Explain how scientists use each type of evidence to provide support for evolution. Give one example of each.
Thursday, May 14, 2015 at 11:50pm

Science
How did Darwin and Lamarck differ in their thinking about change in species? Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism’s environment. Darwin thought that change could occur in ...
Thursday, May 14, 2015 at 11:05pm

science
If you could double check my answer that would be awesome :) which of the following is not part of the theory of evolution? Organisms tend to produce more offspring than can survive to reproductive age ** Organisms can acquire changes during their lifetime that can help their ...
Thursday, May 14, 2015 at 10:11pm

Science, please check my answer Ms Sue!
How does a hurricane form? a.)It forms over a warm ocean water as a low-pressure area*** b.) it forms over a warm ocean as a high-pressure area. c.) it forms over cool ocean water as a low-pressure area d.) it forms over a cool ocean water as a high-pressure area. My answer is...
Thursday, May 14, 2015 at 9:25pm

Science
The diagrams show two views of the same river flowing from a lake to an ocean bay. Which diagram below best represents the profile of the river bottom between points C and B?
Thursday, May 14, 2015 at 7:13pm

science
Suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with many fewer cacti but an overabundance of orchids. What would be the immediate consequences to the species in ...
Thursday, May 14, 2015 at 4:55pm

science or biology
Similarities in the early development of chickens and opossums suggest that these organisms share a __________. I think is common ancestor
Thursday, May 14, 2015 at 4:51pm

biology o science
Very few fossils of jellyfish or their close relatives have been found. This makes it hard to trace the evolutionary history of jellyfish using the fossil record. What explains this? (1 point) Jellyfish fossils are buried deep under the ocean floor, not in land areas where ...
Thursday, May 14, 2015 at 4:45pm

Science
2. How did Darwin and Lamarck differ in their thinking about change in species? I think its a
Thursday, May 14, 2015 at 4:38pm

English
7.) "To Mrs. Saville, England, St. Petersburg, Dec. 11th, 17" You will rejoice to hear that no disaster has accompanied the commencement of an enterprise which you have regarded with such evil foreboding..." This excerpt from the introductory portion of Mary ...
Thursday, May 14, 2015 at 2:55pm

psychology
PLEASE HELP LAST QUESTION.??? Among William James's contributions to the science of psychology is that he A. he wrote the first American text in psychology b.. developed a psychodynamic treatment for mental illness. c.experimented with classical conditioning d. developed ...
Thursday, May 14, 2015 at 1:46pm

Science
Find the density in g/cm3 of a 1573 cm3 piece of metal having a mass of 46 kg.
Thursday, May 14, 2015 at 1:21pm

Science
A fishtank measures 11 ft X 18 ft X 12 ft in English dimensional units. If water weights 62.4 lbs/ft3, what is the weight in lbs of the water filling the tank?
Thursday, May 14, 2015 at 1:20pm

Science
A fishtank with inside dimensions of 164 cm X 76 cm X 96 cm is filled with water. What is the volume in cm3 of water required? What is the mass in grams of the water required? What is the mass in kilograms?
Thursday, May 14, 2015 at 1:18pm

science
what is the change in momentum when a body dropped from a height of 20 m and hits the ground and rebounds with the same speed?
Thursday, May 14, 2015 at 3:38am

science(physics)
The stream of a river is flowing with velocity 1 km/h.What should be the direction of a swimmer to cross the river straight if he can swim at the rate of 2 km/h in still water.
Wednesday, May 13, 2015 at 11:36pm

Science: Space
I'm having trouble finding the answers to these fill-in-the-blank questions: Our understanding of the solar system has changed from an Earth-centered model of ____ and ____ to the sun centered model of _____ and _____. I was thinking for the first 2 blanks: rocks; oxygen ...
Wednesday, May 13, 2015 at 5:09pm

Computer science
Write the pseudocode for a method that receives as input the cost of a meal, and then adds a 9% tax rate, and then outputs a 15% tip on top of the price+tax
Wednesday, May 13, 2015 at 3:44pm

science please help
after the dna strands are separated, which of the following is the next step of DNA replication in the S phase of the cell cycle? Action of helicase formantion of RNa primer breaking go hydrogen bonds joining of nucleotides i think either B or D
Wednesday, May 13, 2015 at 3:43pm

science please help
in evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following observations provides the most convincing support for hypothesis? a) there are more types of RNA than there are DNA b) RNA contains combined catalytic, structural, and genetic ...
Wednesday, May 13, 2015 at 3:42pm

SCIENCE: CONNEXUS HELP!
Lesson 12: Energy Unit test Unit 3:Energy 1.The diver has the least gravitational potential energy at position A-1 B-2 C-3 D-4 2. Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass ...
Wednesday, May 13, 2015 at 3:33pm

science please help
after the DNA strands are separated, which of the following is the next step of DNA replication in the S phase of the cell cycle? A) Action of helicase B) formation of RNA primer C) Breaking of hydrogen bonds D) joining of nucleotides i think it is either B or D
Wednesday, May 13, 2015 at 2:00pm

science please help
Which of the following factors is the most likely explanation for an energy deficit that results in exercise-induced exhaustion? a. inefficient protein production b. insufficient mitochondrial function c. impaired urea elimination d. absence of oxygen transporters on the cell ...
Wednesday, May 13, 2015 at 1:17pm

science @elena please help
it has been hypothesized that chloroplasts originated from photosynthetic cyanobacteria that became symbiotic inside a host cell. Which of the following observations provides the strongest evidence for this suggestion? A) microscopically, chloroplast appear similar to ...
Wednesday, May 13, 2015 at 1:03pm

Science
How much heat is produced when the body metabolizes a gram of trioleylglycerol?
Wednesday, May 13, 2015 at 12:13pm

Science 6th Grade Please Help!
How does wind affect precipitation? a. Wind does not have any effect on precipitation. b. Winds that blow from over the land contain a lot of water vapor that will cause precipitation. c. Winds that blow inland from oceans or large lakes contain very little water vapor that ...
Wednesday, May 13, 2015 at 10:50am

algebra
brittany wrote a computer program that generates two random numbers between one and eleven when she runs t what is the probability that the first value will be more than 9 and the second will be less than 3
Tuesday, May 12, 2015 at 8:56pm

4th grade science
imagine that the air temperature in your classroom increased by 10 degrees celsius. Would the relative humidity of the air in the room go up or down? Explain. Please help!!!!
Tuesday, May 12, 2015 at 7:53pm

science
How does molecules move throughout the water cycle? evaporation: They move freely in the air condensation:They lose energy and are cooled runoff; they move down to the water precipatation: they fall down to the earths surface im really not sure so if i have something wrong can...
Tuesday, May 12, 2015 at 6:52pm

Science
How do I create a cladogram using DNA or protein sequences taken from three different organisms?
Tuesday, May 12, 2015 at 6:09pm

science
science questions:Look around your house and make a list o different kinds of containers that use insulation to keep foods hot or cold. If possible, describe the type of insulators used in each container. I don't know which containers in my house that uses insulation. Can ...
Tuesday, May 12, 2015 at 4:38pm

Ms. Sue PLZ HELP!!!(science)
Study the amino acid sequences of the same protein taken from four different species of plants. Which pair of plants is most closely related? Species 1: -A-P-A-C-W- Species 2: -G-P-G-S-F- Species 3: -A-P-A-C-F- Species 4: -N-K-M-H-H- a. Species 2 and 4 b. Species 1 and 3*** c...
Tuesday, May 12, 2015 at 2:34pm

Ms. Sue PLZ HELP!!!(science)
Humans developed antibiotics to fight bacterial infections. However, some antibiotics are no longer effective in killing the bacteria they once killed. How does the theory of evolution explain this? a. The antibiotic mutated the bacteria, which allowed resistance to develop. b...
Tuesday, May 12, 2015 at 2:29pm

science(check answers)
Which of the following is a correct description of a tornado A.a large swirling low pressure system that forms over that forms over the warm atlantic ocean B.A winter strom with wind speeds of at least 56 km/h and low visibility C. A violently rotating column of air in contact...
Tuesday, May 12, 2015 at 9:37am

Science
True or False. Winds usually move from areas of low pressure to areas of high pressure.
Monday, May 11, 2015 at 8:53pm

Science
Should the government establish a national park to preserve the tundra in Alaska?
Monday, May 11, 2015 at 8:02pm

L.A Ms. Sue? or anybody?
1. Which of the following aspects of the setting is evidence that the giver is an example of science fiction A. Jonas rides a bike to school every day B. jonas's father works in a daycare center C. a loudspeaker makes announcements to the community. D. Jonas lives in a ...
Monday, May 11, 2015 at 5:23pm

Science
When a water wave with a positive amplitude of one meter meets another water wave with a negative amplitude of one meter, what will be the result? Explain.
Monday, May 11, 2015 at 4:27pm

Science
What is the formula for the frequency of visible light? Using this formula, explain what will happen to the frequency when yellow light (580 nanometers) is slowed down slightly when it passes through a crystal.
Monday, May 11, 2015 at 4:21pm

Science help urgent :/
What has been the general trend in human population growth? A.) The human population has decreased. b.) The human population has remained constant. C.) The human population has grown exponentially. d.) The human population has increased and then decreased significantly.
Monday, May 11, 2015 at 4:03pm

Science
1.If the current (in amps) remains the same, but the voltage increases, what effect does this have on the power (in watts) consumed by some device? 2.How is the dimension of time different from the dimensions defining space?
Monday, May 11, 2015 at 2:45pm

Science
Is sulfur a good conductor or poor conductor of heat and electricity?
Monday, May 11, 2015 at 2:33pm

Science
Can you plz check asp 1. Suppose the total momentum of two masses before a collision is 100 kg m/s. What is the total momentum of the two masses after they collide? (1 point) 0 kg m/s 50 kg m/s 100 kg m/s 200 kg m/s 2. What is the momentum of a 20.0 kg scooter traveling at 5....
Monday, May 11, 2015 at 12:29pm

Science
A free proton and a free electron are placed in a uniform electric field. Which of the 2 will experience a greater acceleration?
Monday, May 11, 2015 at 12:04pm

Science
Plz check it fast or just improve advice 9. Provide three statements that demonstrate the importance of units when describing motion. (3 points) Three statements that demonstrate the importance of units when describing motion are 1.unit i m/s indicate it is in SI unit 2.It ...
Monday, May 11, 2015 at 11:56am

science
it has been hypothesized that chloroplasts originated from photosynthetic cyanobacteria that became symbiotic inside a host cell. Which of the following observations provides the strongest evidence for this suggestion? A) microscopically, chloroplast appear similar to ...
Monday, May 11, 2015 at 1:35am

science
Is glycerol a fat, carbohydrate or protein?
Sunday, May 10, 2015 at 10:10pm

Stats (Math)
Assume that Science scores on a 25-point quiz for a random sample of 5 students were drawn from a normal population. The assumed variance was 20 while the recorded variances were: 18, 16, 10, 13, and 23. You suspected that the variance is actually higher. What test do you need...
Sunday, May 10, 2015 at 7:04pm

Science
one year ago How many Global Positioning System (GPS) satellites are required to pinpoint your location on Earth’s surface? (1 point) 24 12 3 5 i think it's 4, but 4 is not an option
Saturday, May 9, 2015 at 9:48pm

algebra
Megan's science teacher gave each student in her class a 20.0 gram sample of sedimentary rock. Each student is required to verify the rock sample by taking four mass measurements. Which measurement is the most accurate of the four recorded?
Saturday, May 9, 2015 at 6:11pm

Science
Water molecules are smaller and have less mass than alcohol and oil molecules. Explain why water is more dense than alcohol and oil.
Friday, May 8, 2015 at 6:03pm

Physical Science
A girl pushes on a box of Christmas Ornaments with a mass of 12 kg and it moves an acceleration of 2m/s^2. With what force does the girl push on the box?
Friday, May 8, 2015 at 2:12pm

Science, check answers please
When a fan is turned on, it changes electrical energy into ____________ energy. -Motion** -Magnetic -Gravitational -Electromagnetic An experiment discovered that a particular material was a poor conductor of electricity. This material would most likely be used as a(n) -...
Friday, May 8, 2015 at 10:35am

Technology in the classroom
Of the following who do we consider to be the father of computer-assisted intruction
Friday, May 8, 2015 at 2:20am

science
please unscramble dramalanse
Thursday, May 7, 2015 at 3:10pm

c programming , computer science
1-Write a program that determines the day number (1 to 366) in a year for a date that provided as input data. As an example, January 1, 1994, is day 1. December 31, 1994, is day 365. December 31, 1996, is day 366, since 1996 is a leap year. A year is a leap year if it is ...
Thursday, May 7, 2015 at 12:43pm

writing or computer
What is the appropriate citation method for your major or course of study? What have you learned about that citation methodology from Lesson Three of this course? Do you think you'll be able to use this citation method effectively to avoid plagiarism? plezs help me i am so...
Thursday, May 7, 2015 at 12:42pm

Science
1.how do plants grow when light comes from one side only? Why might plants respond to light this way? 2. What is a circadian rhythm? 3.What controls the change in leaves from night to day? 4.what might the plant leaves change from night to day?
Thursday, May 7, 2015 at 12:26pm

Science
How do two tissue types work together to improve organ function
Thursday, May 7, 2015 at 8:00am

Technology in the classroom
A software package that you would like to run on your classroom computer list
Thursday, May 7, 2015 at 1:16am

science
a desk is classified as a solid because it has a definite shape and volume at what???
Wednesday, May 6, 2015 at 6:51pm

Please Answer my Question(Science)
1. Which of the following statements about continental glacial movement is correct? Continental glaciers can only flow uphill Continental glaciers can flow in all directions. Continental glaciers can only flow downhill** Continental glaciers do not flow at all 2. A farmer uses...
Wednesday, May 6, 2015 at 4:01pm

Science
Are these answers correct? 1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere**** Chromosphere Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar ...
Wednesday, May 6, 2015 at 1:27pm

science
Jennifer made 5 L of punch for her party. Her brother made another 750 mL. If they combine the two batches, how many 180 mL servings would they have? Would there be any punch left over? If so, how much?
Tuesday, May 5, 2015 at 11:19pm

Science
WHICH SYSTEM HAS THE GREATEST TIDAL EFFECT? EARTH-SUN OR EARTH-MOON?
Tuesday, May 5, 2015 at 7:27pm

science
Earth's energy sources include both nonrenewable and renewable resources. Name at least three sources of energy that could be used in your house. The describe the ideal energy source for generating most of your home's electricity, and explain why you chose that source...
Tuesday, May 5, 2015 at 6:14pm

Business Statistics
The Bureau of Labor Statistics’ American Time Use Survey showed that the amount of time spent using a computer for leisure varied greatly by age. Individuals age 75 and over averaged 0.30 hour (18 minutes) per day using a computer for leisure. Individuals ages 15 to 19 ...
Tuesday, May 5, 2015 at 3:19pm

science
What is the difference between specific heat and heat capacity? If you heat 500g of H2O initially at 8C in a 1000 W microwave with 80% efficiency for 2 minutes, what will the final temperature be?
Tuesday, May 5, 2015 at 7:26am

science
a car travels due east on the level road for 3km it then turns due north at the intersection and travels 4km before stopping the magnitude of resultant displacement of car
Tuesday, May 5, 2015 at 5:29am

Science
What is the likability of a earthquake and volcanic eruption happening in Minnesota
Monday, May 4, 2015 at 11:51pm

Computer Science
Create a program that allows a user to select one of the following four menu options: a. Enter New Integer Value b. Display Pointer Address c. Display Integer Address d. Display Integer Value For this program you will need to create two variables: one integer data type and one...
Monday, May 4, 2015 at 10:19pm

Science
if you exert the same force on two objects of different masses. which object will have the greater acceleration?
Monday, May 4, 2015 at 8:19pm

computer
Why do we need information?
Monday, May 4, 2015 at 5:24pm

science
When a tennis ball smashes into a tennis racket, the ball temporarily changes shape as it compresses against the racket. Which type of energy is temporarily stored with the ball as it is compressed? (1 point) elastic potential kinetic electrical potential
Monday, May 4, 2015 at 4:16pm

science
3. A 10.0-kg animal is running at a rate of 3.0 m/s. What is the kinetic energy of the animal? (1 point) a. 3.3 J b. 30.0 J c. 45.0 J d. 90.0 J
Monday, May 4, 2015 at 4:11pm

science
Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass compare to the other? a. The faster object has the same kinetic energy as the slower object. b. The faster object has less kinetic ...
Monday, May 4, 2015 at 4:04pm

Ms. Sue PLZ HELP!!!(science)
A portion of the amino acid sequence of an enzyme from a worm is shown below: -Q-Q-Q-Q-N-N-N-C-C Analyze the same potion of the same enzyme taken from several other organisms. Place them in order from most closely related to the worm to most distantly related to the worm. -Q-...
Monday, May 4, 2015 at 3:49pm

Science
How does the C horizon form? Rainwater washes clay minerals from the A horizon to the C horizon Plant roots weather pieces of rock plants add organic material to the soil bedrock weathers, and breaks up into soil particles.** What makes up soil besides rock particles, minerals...
Monday, May 4, 2015 at 2:42pm

Science 6 th grade
Can you plz check this :0 True/False 1. Kilometers per hour describes the speed of an object. (1 point) true false * Multiple Choice 2. Which of the following reference points would allow you to observe the speed of a car that you are traveling in? (1 point) an airplane flying...
Monday, May 4, 2015 at 10:14am

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Homework Help: Computers

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