Sunday
March 29, 2015

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Post a New Question | Current Questions

Science
Describe the total momentum of billiard balls before and after the cue ball collides with another ball
Saturday, February 28, 2015 at 5:29pm

Art
What is one way that the industrial revolutions impact showed itself in the art of realist like Monet? A. Realists documented their inner reactions to the revolution B. realists documented the lives of rules and the wealthy C realists documented the increased free time of city...
Saturday, February 28, 2015 at 4:11pm

probability
This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and [0,1], respectively. At x=1, the value of the joint PDF is 1/2. (figure belongs to "the science of uncertainty) 1. Are X and Y independent? NO 2. ...
Saturday, February 28, 2015 at 3:46pm

probability
For each one of the following figures, identify if it is a valid CDF. The value of the CDF at points of discontinuity is indicated with a small solid circle. (original images belonging to: "The science of uncertainty") 1. No, it is not a valid CDF 2. Yes, it is not a...
Saturday, February 28, 2015 at 1:40pm

Science
Organs like the liver, lungs, and intestines, each perform a specific job. COMPARE AND CONTRAST: How are the organs in a model of a human body the same and how are they different? Thx!!
Saturday, February 28, 2015 at 6:41am

science
If an object is thrown 60m into the air and it takes the object 6s to get there what's there average speed of the object
Saturday, February 28, 2015 at 12:11am

Earth Science - Please Check My Answer
Please help with the following: How does sleet differ from snow? A. It is not a form of precipitation. B. It is liquid and not ice. C. It starts as rain and freezes in the air. D. It starts as water vapor and changes to a solid. I know that answer is not D because I got it ...
Friday, February 27, 2015 at 7:34pm

Physical Science
The main difference between the internal combustion engine and the diesel engine is that the diesel engine A. does not have a crankshaft. B. does not utilize pistons. C. has no connecting rods. D. has no ignition system. pretty sure its d
Friday, February 27, 2015 at 7:32pm

science 101
What is the difference between the way matter responds to a transverse wave and a longitudal wave? A. Matter moves in the same direction in a longitudal wave, and at right angles to the direction of a transverse wave. B. Matter moves at right angles to the direction of a ...
Friday, February 27, 2015 at 7:24pm

science
20 g of K3PO4 dissolved in 350 ml water,to come up with 500 ml solution. calculate : molecular weight Equivalent weight molarity normality molality
Friday, February 27, 2015 at 6:27pm

Science check
Water in the upper zones of the ocean will have more oxygen than water in deeper zones. true or false i think true.
Friday, February 27, 2015 at 6:13pm

science
please Ineed Atomic mass for the element in periodic table.
Friday, February 27, 2015 at 6:05pm

science
mountain bike wheel has diameter of 40 inches , in how many turns will the bike be able to cover 1 km? note : circumference of circle = pi ((radius)^2) radius = diameter/2
Friday, February 27, 2015 at 4:53pm

Science
A train is traveling west with a force of 820 N, and then the conductor applies the brakes with a force of 500 N. What is the resulting net force on the train?
Friday, February 27, 2015 at 4:08pm

PSYCH
1 Which of the following is NOT one of the three fundamental features of science? a empirical questions b public knowledge c mathematical equations (My Answer) d systematic empiricism 2 A set of beliefs can be said to be pseudoscientific if it lacks one or more of the three ...
Friday, February 27, 2015 at 3:27pm

Science
Hormones and Homeostasis 1) The human endocrine system is made up of which of the following structures? :Vessels. :Receptors. :Glands.*** :Chambers. 2. Which of the following best describes the function of the endocrine system? :It secretes chemical messengers that travel ...
Friday, February 27, 2015 at 1:16pm

Psychology
1 Which of the following is NOT one of the three fundamental features of science? a empirical questions b public knowledge c mathematical equations (My Answer) d systematic empiricism 2 A set of beliefs can be said to be pseudoscientific if it lacks one or more of the three ...
Friday, February 27, 2015 at 12:54pm

Maths literacy,life science,physical science,consu
careers for this subjects
Friday, February 27, 2015 at 12:25pm

Please help asap science
1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol. Calculate the following:- A. The heat gegenerated B. The power generated by the petrol C. The efficiency Of the engine 2.A square steel plate with sides of 12cm long, is heated and the change ...
Thursday, February 26, 2015 at 11:57pm

science please help asap
2. A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction 3.a force of 318.123N accelerates a car at 3m/s^2 from rest for ...
Thursday, February 26, 2015 at 11:19pm

science
A person brings a cup of hot tea which is 170 degrees F into a room that is 65 degrees F and places a metal spoon which is 65 degrees F into the hot tea What happens to the temp. of the hot tea,the spoon and the air in ten minutes?
Thursday, February 26, 2015 at 9:25pm

science and calculation
50 gram of steel at 100 degree centigrade is addae to 100grame of water at 30 degree centigrade the resultant temperature is 35 degree centigrade find the specific heat of metel
Thursday, February 26, 2015 at 8:20pm

Earth Science
2.   The Moon is made up of minerals similar to those on Earth, which are  A. rilles. B. lunar breccias. C. silicates. D. highlands. I am thinking either B or D?
Thursday, February 26, 2015 at 7:02pm

Science
What is a conducter
Thursday, February 26, 2015 at 3:47pm

Please help and explain engineering science n3
car moves at a constant velocity up an inclined plane making an angle of 28degrees with the horizontal. The coefficient of friction is 0.387. The force exerted by the engine on the car is 588N. Calculate the Following A.weight of the car B.frictional force acting on the car
Thursday, February 26, 2015 at 2:37pm

Science
Processing Information 1. Which of the following sets of terms could be used in a description of the peripheral nervous system? :Motor neuron, interneuron, sensory neuron.*** :Brain, sensory neuron, myelin. :Interneuron, spinal cord, autonomic. :Somatic, brain, spinal cord. 2...
Thursday, February 26, 2015 at 1:49pm

Art
Protecting and Respecting Art 1. Which exhibit would be the least likely choice for a museum specializing in European art? :Renaissance Art :Medieval religious panels :Temple Art*** :Baroque Art 2. A Chinese watercolor painting contains an image of a bird resting peacefully on...
Thursday, February 26, 2015 at 1:41pm

Life science
Mortality
Thursday, February 26, 2015 at 12:54pm

Science
90 calories of heat is added to 1 gram of fresh water with an initial temperature of 10 degrees Celcius. What is the final temperature of this liquid? (latent heat of fusion = 80cal/g°C, latent heat of vaporization = 540 cal/g°C)
Thursday, February 26, 2015 at 11:34am

Science
Why didn't the outer planets lose the lighter gases in their atmospheres? I really need help if you could explain this to me. I'm begging you.
Thursday, February 26, 2015 at 11:32am

science please help asap
1. A 2. A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction 3.a force of 318.123N accelerates a car at 3m/s^2 from rest for ...
Thursday, February 26, 2015 at 11:06am

school of science and tech
Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for c 3
Thursday, February 26, 2015 at 7:56am

science
when astone is thrown slighty above amoving lorry .where will the stone fall? .2.when loam soil is mixed with sandy soil .what will not change?
Thursday, February 26, 2015 at 5:55am

science
build a circuit containing two resistors that are in series with each other. This circuit also contains two light bulbs that are in parallel to each other, but are in series to the resistors. Connected this to two batteries that are in series with each other. I know you can&#...
Wednesday, February 25, 2015 at 9:45pm

science
How much work does spike do when he pulls a 50 kg sled with a force of 200 N with a rope at an angle of 30 degrees above the horizontal, 20 m?
Wednesday, February 25, 2015 at 9:30pm

science
How much work is done by the upward force of your head on a 50 N rock that you carry horizontally across a 10 m room?
Wednesday, February 25, 2015 at 9:29pm

Science
Why does atmospheric pressure usually decrease when humidity increases?
Wednesday, February 25, 2015 at 9:12pm

science
What will happen when I put in minty mentos into all different kinds of soda?
Wednesday, February 25, 2015 at 8:33pm

chemistry
The following equilibrium exists in a closed container: N2(g) + O2(g) = 2NO(g), ΔH = +181 kJ/mol. Which of the following perturbations would favor the formation of NO(g)? (practice MCAT question from The Princeton Review MCAT Science Workbook, 2009 edition) increasing the...
Wednesday, February 25, 2015 at 7:51pm

Science
Chargers extend the life of the rechargeable batteries by: A) adding protons to the positive electrode B) adding electrons to the positive electrode C) moving electrons back to the positive electrode D) Moving electrons back to the negative electrode
Wednesday, February 25, 2015 at 7:31pm

science
Explain what might have happened in Ruthford's experiment if he had used a thin sheet of copper instead of a thin sheet of gold
Wednesday, February 25, 2015 at 6:57pm

Science
Reflecting telescopes are popular because they're A. more durable than a refracting telescope. B. easier to build than a refracting telescope. C. smaller than a refracting telescope. D. more powerful than a refracting telescope i said b but im torn between a and b
Wednesday, February 25, 2015 at 5:12pm

Science
A sled and rider with a combined weight of 59 kg are at rest on the top of a hill 24 m high. (a) What is their total energy at the top of the hill? (b) Assuming there is no friction, what would the total energy be on sliding halfway down the hill?
Wednesday, February 25, 2015 at 4:23pm

science
Climate change studies suggest the worst impacts will be felt by the wealthiest people
Wednesday, February 25, 2015 at 3:43pm

Probability
The joint PMF, pX,Y(x,y), of the random variables X and Y is given by the following table: (see: the science of uncertainty) 1. Find the value of the constant c. c = 0.03571428571428571428 2. Find pX(1). pX(1)= 1/2 3. Consider the random variable Z=X2Y3. Find E[Z∣Y=&#...
Wednesday, February 25, 2015 at 3:39pm

science
A reflecting spherical Christmas tree ornament has a diameter of 12 cm. A child looks at the ornament from a distance of 18cm. A ... image will form at ... from the ornament
Wednesday, February 25, 2015 at 2:48pm

science
A reflecting spherical Christmas tree ornament has a diameter of 12 cm. A child looks at the ornament from a distance of 18cm. A ... image will form at ... from the ornament
Wednesday, February 25, 2015 at 2:47pm

science
1.a modern train traveling at a constant speed around a circular track has a constant velocity true or false 2.which of the following would be affected if a soaring eagle change direction but remained at a constant speed? A.acceleration only B.velocity only C.acceleration and ...
Wednesday, February 25, 2015 at 2:07pm

Science
After returning from her morning walk, Laura states, "It is cold outside." What kind of statement is this?
Wednesday, February 25, 2015 at 11:53am

Earth Science
Hubble said that stars are moving away from the Earth because they have more of what color? Blue, Green, Red or Violet
Wednesday, February 25, 2015 at 11:52am

Science
A scientist wants to make their experiment more accurate. Which of the following should they do to ensure this. decrease their sample size nothing; there is no way to increase the accuracy of an experiment increase their control amount increase their sample size
Wednesday, February 25, 2015 at 11:46am

physical science
If the mans weight is 490N on earth,calculate his weight on the moon that has the gravitational force 1/2 of the gravitational force of the aerth
Wednesday, February 25, 2015 at 2:34am

science
two small spheres lie 1.5 meters apart and carry identical charges. How large is the charge on each if a sphere experiences a force of 2.0 N.
Tuesday, February 24, 2015 at 11:54pm

math
A computer store charges a $40 service fee plus $35 for each hour it takes to repair a computer. Write an expression that gives the total cost of a repair that takes h hours. 40+35h A fitness club charges a $100 activation fee and $33 for each month. Write an expression for ...
Tuesday, February 24, 2015 at 9:14pm

fundamentsl concepts ans skills
An approach to literacy connects, for example, mathematics and science to the real world. Such a process of combining subjects is referred to as A. logical grouping. B. cardinality. C. grouping. D. curriculum integration. I believe is a.
Tuesday, February 24, 2015 at 8:11pm

Science
Describe the pattern of regional surface winds around the center of a low pressure system in the northern hemisphere?
Tuesday, February 24, 2015 at 6:21pm

Earth Science to Ms.Sue (urgent )
18.   The Cenozoic Era is also referred to as the  A. Age of Dinosaurs. B. Age of Mammals. C. Age of Fish. D. First Era. B???
Tuesday, February 24, 2015 at 5:58pm

science~Ms. Sue
A ____ is a substance that cannot be separated into similar substances by physical or mechanical methods such as filtering, boiling, or sifting. (I have to again write the answer)
Tuesday, February 24, 2015 at 5:23pm

Science~Ms. Sue
What is formed when particles of two or more substances are distributed evenly amongst each other? (I have to write in the answer)
Tuesday, February 24, 2015 at 5:17pm

Science~Ms. Sue
If you are describing methane as a gas that easily catches fire, you are describing a ____. A. state of matter*** B. physical property C. chemical property D. chemical formula I think it's A
Tuesday, February 24, 2015 at 4:51pm

Earth Science to Ms.Sue
9.   Another name for unicellular organisms that dominated Earth up to the Precambrian time is  A. eukaryotes. B. cyanobacteria. C. stromatolites. D. prokaryotes. D?
Tuesday, February 24, 2015 at 4:46pm

Science
If you are describing methane as a gas that easily catches fire, you are describing a ____. A. state of matter*** B. physical property C. chemical property D. chemical formula I think it's A
Tuesday, February 24, 2015 at 4:45pm

Science
An object weighing 90 N has a volume of 45 mL and a mass of 9.0 g. What is its density? a. 0.10 g/mL b. 0.20 g/mL c. 5.0 g/mL d. 10 g/mL
Tuesday, February 24, 2015 at 4:33pm

Science
Three liters of nitrogen combine with 9 L of hydrogen to form 6 L of ammonia. If the molecules of nitrogen and hydrogen have two atoms each, how many atoms of hydrogen and nitrogen are there in one molecule of ammonia?
Tuesday, February 24, 2015 at 3:17pm

Physical science
A force t=312n up and incline is reward to keep a body at rest on a fritionless inclined plane which make an angle of 35degress with horizontal. Draw a force diagram and label all the force acting on a body. Calculate the magnitude of the force due to gravity and the normal force
Tuesday, February 24, 2015 at 2:09pm

Computers
1) What is the purpose of computer simulations? A. to provide virtual hands-on experience when actual hands-on experience is not possible*** B. to provide an online version of a printed text C. to provide clip art about the subject being studied D. to provide a real life hands...
Tuesday, February 24, 2015 at 1:19pm

Computers
Which of the following experiences is considered a simulation? A. reading a chapter about dissecting a frog with bright pictures and graphs B. listening to a narrator about dissecting a frog in vivid detail C. using a computer program to dissect a frog*** D. watching a video ...
Tuesday, February 24, 2015 at 1:11pm

Earth Science
Why does the Earth have a magnetic field?
Tuesday, February 24, 2015 at 1:10pm

science
Why do Ontario and Quebec generate the most electric energy?
Tuesday, February 24, 2015 at 9:43am

Please help and explain engineering science n3
A.5kg of steel is cooled down in oil and the temperature drops from 900 degrees celsius to 27degrees celsius. The specific heat capacity of steel is 460J/kg degrees Celsius and that of oil 1.5kJ/kg degrees Celsius Calculate the following: 1.quantity of heat lost by steel 2....
Tuesday, February 24, 2015 at 9:14am

science
CAN ONE IN THEORY OR ACTUAL DEPRIVE A PARTICULAR AREA OF SPACE; 1sq mile of space of oxygen while the surrounding area of space has normal levels of oxygen?.... This question is not limited by the use of other chemicals or machinations to achieve GOAL....
Tuesday, February 24, 2015 at 8:51am

engineering science n3...please help and explain
Heat A.5kg of steel is cooled down in oil and the temperature drops from 900 degrees celsius to 27degrees celsius. The specific heat capacity of steel is 460J/kg degrees Celsius and that of oil 1.5kJ/kg degrees Celsius Calculate the following: 1.quantity of heat lost by steel ...
Tuesday, February 24, 2015 at 8:24am

Science
Which of the following types of pathogens can only reproduce itself if it takes over host cells? A fungi B bacteria C virus *** D protozoa am i right?
Monday, February 23, 2015 at 9:33pm

Science
What is DNA and RNA? How do it work? How does it reproduce? How does it mutate? How do things evolve?
Monday, February 23, 2015 at 9:21pm

Science please help
Which of the following types of pathogens can only reproduce itself if it takes over host cells? A fungi B bacteria C virus *** D protozoa am i right?
Monday, February 23, 2015 at 9:09pm

Science
What is Genetics?
Monday, February 23, 2015 at 8:04pm

Science
What type of element is fluorine?
Monday, February 23, 2015 at 6:08pm

Science
You have a block of ice with a mass of 6.12 . The volume of the water is 100L and the volume of water when the ice is in the water is 106.66L. I subtracted 100.00 and 106.66 to get 6.66L as the volume of the ice What I'm confused about is how to divide 6.12 by 6.66 in long...
Monday, February 23, 2015 at 5:18pm

Science
A boy and girl sit on a seesaw of length 4m, balanced at its center. The girl sits at the far end and has a mass of 50kg. The boy is twice as heavy as the girl, and therefore sits midway between his end and the center. Then the girl is given a bag of oranges weighing 5kg, and ...
Monday, February 23, 2015 at 5:12pm

science
How are weathering and soil formation related?
Monday, February 23, 2015 at 3:51pm

science
How do water and air cause rocks to crumble?
Monday, February 23, 2015 at 3:51pm

science
A ball sitting on the top of a table has potential energy but no kinetic energy. How do potential and kinetic energy change as the ball falls off the table to the floor? A. Both its potential energy and its kinetic energy decrease. B. Both its potential energy and its kinetic...
Monday, February 23, 2015 at 3:31pm

Science
Which of the following is an indication that a planet may exist near a distant star A. the star varies in temperature B. The star has a very slight back and forth motion C. the star has very strong gravity D. Radio wave activity increases near the star I think the answer is A
Monday, February 23, 2015 at 3:10pm

science
What is the density value of octane at the pressure of 101.325kpa and temperature of 298K?
Monday, February 23, 2015 at 4:20am

AGRICULTURAL SCIENCE AND LIFE SCIENCES
MENTION 10 TYPES OF ENZYMES THAT ARE FOUND IN THE SMALL INTISTINE AND THEIR FUNCTIONS
Sunday, February 22, 2015 at 8:46pm

science
The position-time graph for a tennis ball thrown vertically upwards from the second floor of a school building is shown below.ignore all effects of air friction.The height of the second floor is 6,5m.The ball rises 0,9 m from the point of projection before it starts to fall to...
Sunday, February 22, 2015 at 4:37pm

science
m=-2.00i+6.00j-4k and n=2.00i-3.00j. what is the dot product of m and n?
Sunday, February 22, 2015 at 4:00pm

Science
Directions: How high could your animal jump if it has an initial velocity of 20m/s? Average Mass of Animal: (800kg) (1100lbs) Jupitar’s Mass: 1.898E27 kg (317.8 mass)
Sunday, February 22, 2015 at 3:32pm

Earth Science
4.   Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today.  A. oxygen B. lead C. hydrogen D. ore A?
Sunday, February 22, 2015 at 12:11pm

MATH
I BOUGHT 80 DIFFERENT COMPUTER COMPOMENTS FOR $100000 AND I WANT TO SELL THEM TO MAKE 20% PROFIT ON EACH.GIVE ME A FORMULA HOW TO PRICE EACH.
Sunday, February 22, 2015 at 11:39am

science
A ball is dropped from a height of 10 m. If the energy of the ball reduces by 40% after striking the ground, how much high can the ball bounce back? (g=10m/s2)
Sunday, February 22, 2015 at 10:20am

statistics
Factories A, B and C produce computers. Factory A produces 3 times as many computers as factory C, and factory B produces 6 times as many computers as factory C. The probability that a computer produced by factory A is defective is 0.02, the probability that a computer ...
Sunday, February 22, 2015 at 1:43am

science
Why does the energy of a sound wave decrease over time?
Saturday, February 21, 2015 at 5:02pm

science
Why did a portion of the tabletop get cold when Natasha placed her cold drink on the table? (1 point) The table’s molecules were vibrating more slowly in that area. The table’s molecules had spread further apart in that area. The table’s molecules had gained ...
Saturday, February 21, 2015 at 2:22pm

science
an ice cube, a glass of cold water, and a swimming pool are each exposed to the same amount of sunlight on a hot day. after five minutes, the ice cube is melted and the cold drink is two degrees warmer, but the temperature of the swimming pool remains unchanged. what is the ...
Saturday, February 21, 2015 at 1:51pm

science
both carbon dioxide and water are pure substances. how are they similar to each other? A. Both substances have a set ratio of atoms that cannot be separated by physical means. B. Both substances have a set ratio of atoms that can be separated by physical means. C. Both ...
Saturday, February 21, 2015 at 1:27pm

physical science
A car travels east for 15km at a speed of 30km/h .it then turns around and returns along the same path at 60km/h.what is the cars average velocity
Saturday, February 21, 2015 at 5:09am

Overdue Science Lesson, Very Urgent.
1: How does sea-floor spreading occur? A, New materials are being added to the asthenosphere. B, Earthquakes break apart the ocean floor. C, Sediments accumulate at the area of spreading. D, Molten material beneath Earth's crust rises to the surface. 2, Which features form...
Friday, February 20, 2015 at 8:51pm

Phyiscal Science
Jesse travels 3.0 meters east and then turns and travels 4.0 meters north. The trip requires 35 seconds. What is his velocity?
Friday, February 20, 2015 at 8:39pm

science
Does the flame of gas stove emit light
Friday, February 20, 2015 at 11:30am

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

Members