Thursday
September 18, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Post a New Question | Current Questions

Atmospheric Science
1. What solar temp is needed for the peak intensity of radiation to occue at .2 micrometers? Remembering that humans can see light only between .4 and .7 microns, would the sun look brighter or dimmer at this new temp? 2. How much variation in earth orbital distance from the ...
Thursday, September 11, 2014 at 9:27pm

Science
What is spectral broadening, Quasars, and the Expansion theory
Thursday, September 11, 2014 at 9:19pm

science
Suppose that a biologist states that the average height of undergraduate students at your university is 205 cm plus or minus a standard deviation of 17 cm. What does this mean? Does it mean that the height of undergraduates at the university ranges from 17 cm less that the ...
Thursday, September 11, 2014 at 8:13pm

Science
So what would you find something in the house? Product Symbols Precaution One example would be appreciated
Thursday, September 11, 2014 at 8:01pm

science
If you had an object that measured 4.0 cm for width,and 4.5 cm for height.how would you calculate the volume for this object?
Thursday, September 11, 2014 at 7:38pm

Science
What is red shifting and blue shifting
Thursday, September 11, 2014 at 6:17pm

Science
What is a protostar
Thursday, September 11, 2014 at 6:00pm

Science
What is apparent brightness and absolute brightness in Science
Thursday, September 11, 2014 at 5:50pm

Science - Please Check My Four Answers
Please help me with the following questions: 1. Which is usually the best way to present or communicate inferred data? A. in a bar graph B. in a data table C. in a simple diagram D. in a written paragraph I know the answer isn't C or D(I got C wrong), but now I think the ...
Thursday, September 11, 2014 at 5:43pm

science
Which of the following is a good study habbit.
Thursday, September 11, 2014 at 4:55pm

Science
What is the first step in the scientific method? (I WAS ABSENT DURING LESSON) A- Observation B- Hypothesis C- Conclusion D- Test
Thursday, September 11, 2014 at 4:52pm

Science - Please Check My Answers
Please help me with the following: Which is usually the best way to present or communicate inferred data? A. in a bar graph B. in a data table C. in a simple diagram D. in a written paragraph I know the answer isn't C or D(I got C wrong), but now I think the answer is B. ...
Thursday, September 11, 2014 at 3:52pm

science
Which of the following is an example of a physical system? hurricanes Volcanoes Glaciers Plant & Animal Communities ***All of the Above*** is it all of the above? Pls help asap!
Thursday, September 11, 2014 at 3:40pm

Science!
Which of the following is a valid reason why a scientist might reject a scientific theory? A. Some people disagree with it. B. It covers too broad a topic. C. New evidence contradicts it. D. It is too old. Is the answer C?
Thursday, September 11, 2014 at 3:17pm

Physical science
1. Nicotine,a poisonous compound found in tobacco leaves,is 74% carbon,8,65% hydrogen and 17,35% nitrogen (a)calculate the empirical formula of nicotine (b)what is the molecular formula of nicotine if it has a molar mass of 165 g.mol^-1
Thursday, September 11, 2014 at 1:00am

Science
how can you determine that a coin is not pure silver if you know the mass and volume of the coin?
Wednesday, September 10, 2014 at 10:17pm

Science
If the temperature rose from 25C to 45C how many degree Fahrenheit would that be
Wednesday, September 10, 2014 at 9:42pm

Science
Why sunlight produces more spectral lines than other light sources
Wednesday, September 10, 2014 at 9:15pm

Science
What information can astronmores gain from spectral lines of light
Wednesday, September 10, 2014 at 9:08pm

Science
Fluorescent lights must not end up in a landfill. Why must these lights be properly disposed of
Wednesday, September 10, 2014 at 9:00pm

math
The price of a computer fell 20% this year. If the computer now costs $550, how much did it cost last year
Wednesday, September 10, 2014 at 8:53pm

science
The ------are the things about an object that can be observed,such as it's size,color,shape,or sound.
Wednesday, September 10, 2014 at 8:45pm

science
The measure of how much material makes up an object is the?
Wednesday, September 10, 2014 at 8:41pm

Science
Which of the following describes a relationship between science and society? (1 point) Scientific discoveries can impact human life; therefore, society must remain scientifically literate. Scientific discoveries rarely impact human life; therefore, it is not necessary for ...
Wednesday, September 10, 2014 at 7:53pm

biology
jordan is doing a science fair project on the effect of music on the growth of tomatoes. he has two tomato plants, plant A and B, that he grows in a window and gives the same amount of water. plant A is exposed to classical music using headphones attached to the soil. ...
Wednesday, September 10, 2014 at 7:14pm

Physical Science
What is the kinetic energy of a 1850 kg car that is traveling at 58.0 km/h? B. How much work was done to give the car this kinetic energy assuming the car starts from rest? C. How much work must be done to stop the car?
Wednesday, September 10, 2014 at 4:45pm

Physical science
A silver nitrate solution is added to a solution of potassium chloride.the products formed are silver chloride and potassium nitrate 1.which product is a precipitate 2.write down the reaction in a molecular form.indicate states 3.write down the net ionic equation
Wednesday, September 10, 2014 at 4:17pm

Physical science
Give one word or term of the following descriptions 1. A reaction that results in the formation of an insoluble salt 2.the process in which ions whithin an ionic substance are separated 3.the positive ion 4.a proton acceptor
Wednesday, September 10, 2014 at 4:13pm

Computer
Each of the following is a typical feature of a fee-based internet back up service EXCEPT ______. backup to external hard drive universal access file feedback information delayed deletion
Wednesday, September 10, 2014 at 2:18pm

science
solved a ball is dropped from the top of a tower 100 meter high. simultaneously another ball is thrown upwards from ground with a speed of 50 m/s . after what time do they cross each other.
Wednesday, September 10, 2014 at 1:47pm

Physical science
Choose the correct answer to the following question 1.The following pairs of ions results in a precipitate being formed... (a)calcium and carbonate (b)sodium and sulphate (c)potassium and iodide (d)sodium and nitrate
Wednesday, September 10, 2014 at 12:44pm

Science
A hammer with a 500-g head exerts an average force of 810n on a nail speed as it drives the nail 4 mm into wall. What was the speed of the hammer head when it hit the nail?
Wednesday, September 10, 2014 at 10:44am

Critical thinking
Since Jessica’s participation in local politics increased significantly after she joined her school’s political science club, it is clear that her involvement in that club led her to take an interest in politics. The argument above is flawed because
Wednesday, September 10, 2014 at 9:33am

engineering science
An object weighing 60N rest on a slope forming an angle of 17.5 degrees with the horizontal. A force of 44N parallel to the sloping surface just moves the object upwards. Calculate the frictional force.
Wednesday, September 10, 2014 at 8:08am

science
the string of pendulum is 2.0 m long,the bosy is pulled sideway so that the string becomes horizontal and the bob is released what is the speed with which the bob is released ?what is the speed with which the bob arrives the lowest piont?
Wednesday, September 10, 2014 at 12:24am

science
A vehicle starts from rest and accelerates with a constant acceleration, covering 200m in 5s. it then continues at a constant velocity for 300m before decelerating with a constant 2m/s^2 deceleration to a stop. what is the maximum speed attained, total time traveled, total ...
Tuesday, September 9, 2014 at 8:38pm

Science!
An oven is a technological system. Which of the following describes an input into this system? A. Setting the temperature B. Burning gas releases heat. C. A thermostat monitors the temperature and increases the gas flow when the temperature falls too low. D. A cake is baked Is...
Tuesday, September 9, 2014 at 6:10pm

science
what is the weight of the ethyl alcohol that exactly fills a 200.00 ml container? The density of ethyl alcohol is 0.789 grams/ml
Tuesday, September 9, 2014 at 4:33pm

Science/Biology
In DNA bases, CG is one pair and AT is another pair because the double ring bonds with the single ring. Why can't Guanine bond with Thymine?
Tuesday, September 9, 2014 at 4:13pm

Physical Science
A lamp bulb is rated 100w. Why is a time factor not included in the rating?
Tuesday, September 9, 2014 at 2:55pm

Science
The active sections that are located along fault lines are called A. stress accumulations. B. recurrence gaps. C. seismic gaps. D. seismic risks.
Tuesday, September 9, 2014 at 12:37pm

Science
When taking a bath, we use approximately 450 lbs of water. How much heat, measured in British Thermal Units (BTU) is required to heat the water from 60 degrees Fahrenheit to 104 degrees Fahrenheit?
Tuesday, September 9, 2014 at 9:24am

Science
A classmate states that igneous rock must always become a sedimentary rock next, according to the rock cycle. Explain why this is not correct.
Tuesday, September 9, 2014 at 9:08am

science
It takes stu, a slimy slug, 20 minutes to travel from his favorite bush to the local trach can (a trip of 30 meters), how far can he travel in 1 hour (60 minutes)?
Monday, September 8, 2014 at 11:15pm

Science
Can one organism be a consumer, omnivore, predator and prey? Give an example that completely explains answer.
Monday, September 8, 2014 at 10:12pm

Science
Does Earth rotate or orbit each day?
Monday, September 8, 2014 at 7:38pm

Physicsl Science
A cart on a linear track has a uniform acceleration of 0.172 m/s^2. What is the velocity of the cart 4.00 s after it is released from rest?
Monday, September 8, 2014 at 7:32pm

Physical Science 8th grade
A balloon filled with air does not rise as a balloon filled with helium. What does this tell you about the density of helium? A. Helium is more dense than air B. Helium is less dense than air C. The two gases have the same density D. When heated, helium becomes more dense
Monday, September 8, 2014 at 7:29pm

SCIENCE
A flask weights 46.8 g when it is empty and 121.6 g when filled with water. When the same flask is filled with another liquid, the mass is 91.2 g. What is the density of the second liquid?
Monday, September 8, 2014 at 7:24pm

Science!
Which of the following is not a process of a stream load? A. Suspension B. Bed Load C. Materials in solution D. Divide Im thinking D but also C?
Monday, September 8, 2014 at 7:07pm

science
Three horizontal ropes pull on a large stone stuck in the ground, producing the vector forces and shown in the figure below. Find the magnitude and direction of a fourth force on the stone that will make the vector sum of the four forces zero. The magnitude of vector A is 99.5...
Monday, September 8, 2014 at 6:01pm

science
Describe a fourth scenario in which either the Law of Conservation of Matter or the Law of Conservation of Energy could be observed. Using as many sentences as needed, describe how an experiment could be set up to further explore your recorded observation. The goal is to show ...
Monday, September 8, 2014 at 5:46pm

living enviroment
write 8 ways you could apply science safety rules in your kitchen at home.
Monday, September 8, 2014 at 5:40pm

science
Two im not sure on, please check? What is the true work of all scientists? Scientists ask testable questions and devise ways to answer those questions through experimentation or observation.*** Scientists research other scientists' discoveries and present their opinions ...
Monday, September 8, 2014 at 2:37pm

Science
Would the climate/weather count as the physical geography of a region?
Monday, September 8, 2014 at 11:39am

Science
Does more humidity make plants grow faster?
Monday, September 8, 2014 at 11:29am

Science
Why do we say that an explanation in science is tentative?
Sunday, September 7, 2014 at 11:29pm

science
What's the difference between hypothesis and a theory?
Sunday, September 7, 2014 at 10:37pm

Physical Science
An 84.9 kg man is standing on a frictionless ice surface when he throws a 2.00kg book at 11.1m/s. Do the man move in the same direction as the book or opposite of the book.
Sunday, September 7, 2014 at 5:17pm

science/math (mean)
Find the mean Sample Value 1- 41.93 2- 12.55 3- 48.07 4- 90.81 5- 18.45 6- 55.81 I came up with 44.60 the online program "said close but check to see if yo made a round error" and at least three decimal places
Sunday, September 7, 2014 at 4:51pm

science
I measure my head fist 28m , 65cm now i'm stuck trying to figure out how to measure my head in mm and km. I need help please.
Sunday, September 7, 2014 at 4:12pm

Science of the Atmosphere
What is the temperature of air, given P= 90 kPA and the pressure is 1.0 kg(m^-3)? Thanks!
Sunday, September 7, 2014 at 3:10pm

Physical Science
What volume would 90g occupy?
Sunday, September 7, 2014 at 1:45pm

Physical Science
How many grams would occupy 12cm^3?
Sunday, September 7, 2014 at 1:44pm

science
which of the following best describes a scientific theory?
Sunday, September 7, 2014 at 12:32pm

science
a man throws a ball of mass 0.5kg vertically upwards with a velocity of 25 m/s.find:[a}the initial momentum of the ball{b}momentum of the ball at the half way mark of the maximum height {given g=10 m/s square}
Sunday, September 7, 2014 at 7:14am

Computer Programming
Need Python pseudocode and program that asks the user to enter the number of packages purchased. The program should then display the amount of the discount (if any)and the total amount of the purchase after the discount. Software co. sells a pkg that retails for $99. Quantity ...
Saturday, September 6, 2014 at 8:26pm

science
How far does your automobile travel in meters during your reaction time if you are moving at 55 mi/h (25 m/s)?
Saturday, September 6, 2014 at 4:30pm

Science
Why are aboriginal clan systems considered human social systems?
Saturday, September 6, 2014 at 2:32pm

Science of the Atmosphere
What is the temperature of air, given P= 90 kPA and the pressure is 1.0 kg(m^-3)? Thanks!
Saturday, September 6, 2014 at 1:11pm

physical science
A simple lever is used to lift a heavy load. When a 60-N force pushes one end of the lever down 1.2 m, the load rises 0.2 m. Show what the weight of the load is 360N.
Saturday, September 6, 2014 at 10:37am

science
What are macro-nutrients?
Saturday, September 6, 2014 at 4:29am

Earth science
Kathleen made the diagram below to show how scientific knowledge changes over time. Which word or phrase best describes what scientists would do at the point indicated by the blank? Original data + new data =blank= modified data. Which would be the answer in the blank to fill ...
Thursday, September 4, 2014 at 11:31pm

physical science
if an object has a mass of 10 g and a volume of 5 ml what is its density
Thursday, September 4, 2014 at 10:03pm

science
Need help with a summary of sexual an asexual reproduction
Thursday, September 4, 2014 at 9:03pm

Science
What characteristics are common in main sequence stars
Thursday, September 4, 2014 at 8:25pm

Science
In what part of their life cycle are white dwarfs; beginning middle or end or some combination of those stages
Thursday, September 4, 2014 at 8:25pm

science
Myoglobin, a protein that stores oxygen, has a mass of 2.98 x 10-14? what?
Thursday, September 4, 2014 at 3:01pm

Computer Science
Define an unambiguous context free grammar that generates the language of strings containing a series of a's followed by a series of b's followed by a series of c's concluding with a series of d's. The number of a's must be exactly the sames as the number ...
Thursday, September 4, 2014 at 2:44pm

Computer Science
Write a regular expression defining strings that begin with an a and end with a b and can contain any number (including zero) of c's or d's in the middle. Every c that is in the string must be followed by at least one d. Construct a deterministic finite state automaton...
Thursday, September 4, 2014 at 2:43pm

Computer Science
Define a language that is not a regular language using a context-free grammar that is not ambiguous. The alphabet of the language must contain at least five characters. Describe in English the strings of the language. Choose any string that is in the language and demonstrate ...
Thursday, September 4, 2014 at 2:42pm

science
A tower is 24m high. A stone is projected upwards from the tower with initial velocity of 24,5 m/s. Calculate how long it would take for the stone to reach the ground at the foot of the tower.
Thursday, September 4, 2014 at 4:46am

SCIENCE:BIOLOGY>
1. How many seconds do you spend in school during the week (6.5 hours/day)? 2. How many micrograms are in 12 dekagrams? 3. How many centimeters are in 5 kilometers? 4. 3.25 liters are equal to how many kiloliters? 5. how man meters are in 0.65 hectometers? 6. How many grams ...
Wednesday, September 3, 2014 at 10:08pm

Science independent variable
A scientist designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of the bacterium E. coli under three heat lamps at different temperatures. What was the independent variable in this experiment?
Wednesday, September 3, 2014 at 6:58pm

Science
Which of the following is not a model? A.An ant farm B.A bicycle C.An atlas D.A plastic human skeleton Is the answer B?
Wednesday, September 3, 2014 at 2:41pm

science
A 24 V battery of internal resistance 4 ohm is connected to a variable resistor. At what value of the current drawn from the battery is the rate of heat produced in the resistor is maximum?
Wednesday, September 3, 2014 at 12:12pm

English
Revise the following sentences as needed to create pronoun-antecedent agreement and to eliminate the generic he and any awkward pronoun references. 1. While shopping for a new computer for school, I noticed that a laptop costs much less that they used to. a. While shopping for...
Wednesday, September 3, 2014 at 2:40am

understanding motion science
it takes a runner 10 seconds to run 100 yards. the runners speed is ?
Tuesday, September 2, 2014 at 8:39pm

Science
The inner planets- Mercury, Venus, Earth and Mars- were formed by a. Supernovas b. repeated collisions of asteroid sized debris (My Answer) ****** c. masses of cold hydrogen and helium d. collisions of large galaxies
Tuesday, September 2, 2014 at 6:25pm

physical science
If the volume of a piece of oak is 12 cm3, what's its mass?
Tuesday, September 2, 2014 at 6:23pm

Science
Calculate the area, with the appropriate number of significant figures, of a recotangular room that is 14.10 m wide by 15.0 m long. A.212 m^2 B.211.5 m^2 C.29.1 m D.29.10 m Is the answer B?
Tuesday, September 2, 2014 at 5:22pm

Science
A student measures the volume of a liquid and finds it to be 40 mL. How many significant figures are in the measurement? A.1 B.2 C.3 D.4 Is the answer B?
Tuesday, September 2, 2014 at 5:15pm

science
A point charge of -4 mu or micro CC is located at x = 4 m, y = -2 m. A second point charge of 12 mu or micro CC is located at x = 1 m, y = 4 m. (a) Find the magnitude and direction of the electric field at x = -1 m, y = 0. I got 4545.69 N/C by using this equation E= kQ/r^2 (...
Tuesday, September 2, 2014 at 4:26pm

Maths,Physics,life science,geography,
An airplane lands with a velocity of 100 m.s. The maximum rate at which it can slow down is 5,0 m.s 1. What is the minimum time needed to come to rest, starting from when it first touches the ground? 2. Can this plane safely land at a small airport where the landing strip is 0...
Tuesday, September 2, 2014 at 1:01pm

Science Check PLEASE
put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry that cannot be tested c)...
Tuesday, September 2, 2014 at 11:38am

science
significant figure ¹.25×0.05meters what is the correct answer
Tuesday, September 2, 2014 at 9:51am

math
A computer is sold for P2,000 when the markup is 60% of cost. What is the cost?
Tuesday, September 2, 2014 at 7:44am

science
a hemisphere container is made with the following dimensions. the external diameter of the container is 12 cm. the internal diameter of the container is 6 cm. it is filled with water to the brim. what is the density of the empty container if the total mass of the container ...
Tuesday, September 2, 2014 at 6:33am

Science Check answers please
I put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry that cannot be tested c)...
Tuesday, September 2, 2014 at 3:45am

economics
what circular flow the the following fall into 1)You receive $15,000 in profits from your half-owner of a Krispy Kreme franchise. 2)The Georgia Bulldogs sells season football tickets for $50.00. 3)What market determines the price per acre of farmland? 4)What market determines ...
Monday, September 1, 2014 at 9:36am

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Post a New Question | Current Questions

Homework Help: Computers

Search
Members