Friday
October 21, 2016

# Homework Help: Computers: Computer Science

## Recent Homework Questions About Computer Science

science
What influence does the density of methylated spirit have on the surface tension?
Tuesday, May 3, 2016 by Gontse

Science
A block and tackle consisting of 5 pulleys is used to lift a car engine weighing 850kg. What is the Velocity
Tuesday, May 3, 2016 by Hohenzollern

Science
Calculate the mass of silver deposited when a current of 2.6 A ls passed through a solution of silver salt for 70 minutes. (Ag=108; 1 faraday=96 500 c)
Tuesday, May 3, 2016 by Anonymous

Science
1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted materials. C) A ...
Tuesday, May 3, 2016 by Anonymous

Science
A uniform metal ball (mass m) is tied to the end of a string (massless, length L). The other end of the string is fixed. The ball is moving in a vertical circle centered at the fixed end of the string. Suppose the velocity of the ball at the lowest point is v, what is the ...
Tuesday, May 3, 2016 by Chan

science
4 gm of N aOH are present in 0.1dm3 solution have specific gravity 1.038 gm/ml. calculate: a. Molality of N aOH solution; b. Molarity of N aOH solution.
Tuesday, May 3, 2016 by rohan

Science - Northern technical college
An electric train starting from rest is uniformly accelerated in a distance of 40m to a velocity of 10m/s, for this journey. (I).Calculate the time taken by the train. (II). The acceleration of the train.
Tuesday, May 3, 2016 by Lucky chembe

Science
In a heat engine, if 700 J of heat enters the system, and the piston does 400 J of work, what is the final internal (thermal) energy of the system if the initial energy is 1,200 J?
Monday, May 2, 2016 by Ivan

Computer science
Which is the most popular international cable standard? What are the main Differences between attenuation and Crosstalk? Describe different types of connector used in LAN? What are the port number / socket number and Connection Multiplexing? What is difference between Half-...
Monday, May 2, 2016 by Poohboi23

Science - Please Check
Suppose that the local temperature changes in favor of greater oxygen levels in the water. Write a short paragraph to describe how both the population of the small fish species and wading bird population would change in response to the new oxygen levels over the next six ...
Monday, May 2, 2016 by Scarlet

Science
18. What is the difference between nearsightedness and farsightedness? ((Is that just for regular sight, or is there another term I'm not recognizing?)) ((LINKS FOR ALL THE QUESTIONS BELOW, PLEASE!)) 19. Describe how an electromagnet works and give an example. 20. In the ...
Monday, May 2, 2016 by M&M's

Science Help
If the input voltage from the transformer in Figure 23-1 is 32 V, what is the output voltage? ((Input is 4 turns of wire, output is 60 turns of wire.))
Monday, May 2, 2016 by M&M's

Science
which two conditions are required for cloud formation? A) high humidity and warm temperatures. B) high humidity and cool temperatures. C) warm temperatures and the presence of particles. D) cool temperatures and the presence of particles. Is there a link I can find that ...
Monday, May 2, 2016 by Tim

1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted materials. C) A ...
Monday, May 2, 2016 by Tim

Science
1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted materials. C) A ...
Monday, May 2, 2016 by Tim

Science
A body of mass 10kg is acted upon by a constant force 20N for 3secs. Calculate the K.E gained by the body.
Monday, May 2, 2016 by Chinyere

Science
1. What happens immediately before a volcano erupts? A) Magma collects in the mantle. B) Lava hardens to form volcanic rock. C) Expanding gases push magma through the pipe. D) The temperature in the magma chamber decreases. Is the answer C?
Monday, May 2, 2016 by Tim

Science
Six ways that the human rights violations influence individuals,groups and the broader south african community
Monday, May 2, 2016 by Nompumelelo

science
A Football is thrown by a quarterback to a receiver. When the quarterback throws it, the ball is at the height of 6 feet above the ground. When the receiver catches it, he is 30 yards away from the quarterback and the ball is again at a height of 6 feet above the ground. The ...
Monday, May 2, 2016 by Sampson

Which of the following is an example of an informational text that explains? A pamphlet that disputes a point A written account of events in war An instruction manual for a computer An argument about the use of exams Is it b pls help me
Monday, May 2, 2016 by Oscar

Science test review
Here are all the word you can use I need help chemical property mixture heat capasity homogeneous viscosity sublimitation physical property compound chemical formula substance density mass tempurature pressure heterogenerous 14. A property of matter describes its ability to ...
Monday, May 2, 2016 by jj

science
kendra was looking at recipes in a cookbook. she divided some of the steps of a recipe into two columns. How would you label each column? A.) Column A shows sublimation; column B shows vaporization B.) Column A shows vaporization; column B shows sublimation C.) Column A shows ...
Monday, May 2, 2016 by jj

science
how do liquid water, ice, and water vapor differ from one another? A.) They are different states of matter B.) They are different compounds C.) They are made of different kinds of molecules. D.) They are mad of different kinds of atoms.
Monday, May 2, 2016 by jj

Science
James drops a marble. It accelerates downward at a rate of mc005-1.jpg. After 3.00 s, how fast is the marble moving downward?
Monday, May 2, 2016 by Hanny

Math
Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than \$4.00 per square foot. The plot shown below is listed for \$453,175. Is Angela going to be ...
Monday, May 2, 2016 by Tim

Earth science
What is an example of a stable system? How were you able to determine whether or not this system is stable? Please don't attach files, my parents do not allow me to click on any attached files!

Science
A girl lifts her 30-kg (294 N) knapsack a vertical distance of 0.50 m and then she carries it 10 m across the park to the water fountain. How much work is done by the girl? Please help me.
Monday, May 2, 2016 by Hanny

science
a constant force applied at an angle of 20 above the horizonal , pulls a 200 kg block, over a distance of 3 m, on a rough, horizontal floor. the coefficient of kinetic friction is 0.2 show that work done by the kinetic frictional force on the block can be written as Wfk = ( -...
Monday, May 2, 2016 by Anonymous

Science
What is an example of a stable system? How were you able to determine whether or not this system is stable? I really appreciate your help!
Monday, May 2, 2016 by blackbeltninja

Science
In which of these situations is convection most likely the main form of heat transfer? Warm air from a heater on the first floor of a house moves to the upper floors. The sides of a metal pan become hot when the pan is placed on a stove burner. A person gets a sunburn from ...
Monday, May 2, 2016 by Anonymous

Science
Reaction time.experiment
Monday, May 2, 2016 by Tracry

Science
A battery is e.m.f 40volts and internal resistance 5 ohms is connected to a resistance of 15 ohms. Calculate The terminal potential difference.
Monday, May 2, 2016 by Ranvieg

science
Thermal energy is caused by motion of? 1. mixing water molecules contained in a beaker 2. molecules in soild liquid and gas phases 3. mixing molecules together 4. molecules that have reached equilibrium the density of an object with the volume of 60.0 mL and a mass f 400.0 g ...
Monday, May 2, 2016 by jj

Science
If a ball A moves at X speed eastwards collideds with a stationary ball B. Ball A now moves at Y speed north east (40 degrees upwards from eastward direction) and ball B moves at W speed south east (50 degrees downwards from eastward direction). To calculate their kinetic ...
Monday, May 2, 2016 by Loli

science
What is anything that has mass and takes up space? 1) Weight 2) Volume 3) Density 4) Matter When you measure the boiling point of mercury, you are investigating a ____. 1) Chemical change 2) Chemical property 3) Physical change 4) Physical property An object weighing 90 N has ...
Monday, May 2, 2016 by jai

science
Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He decreased the ...
Monday, May 2, 2016 by jai

Science
In a expiriment to determine whether moment is conserved. You shoot a dart into a cart. You know both the mass of the dart and the distance between them. You also know the distance after the dart and cart joined together. The speed can be calculated both before and after the ...
Monday, May 2, 2016 by Spaz

science
A 0.1 M NaOH solution is used for holder 50, or ml of a 0.100 M solution of acetic acid. Calculate the pH of the solution after the addition of 50.0 ml of sodium hydroxide
Monday, May 2, 2016 by Anonymous

political science
Which of the following is NOT a component of judicial review? The supremacy of local laws when they conflict with national laws or treaties. The power of the courts to declare national laws invalid if they violate the Constitution The supremacy of national laws or treaties ...
Sunday, May 1, 2016 by ryan

political science
On the spectrum of international ideologies, what group is most likely to oppose other nations monitoring human rights conditions in the U.S., and favor national tariffs, import quotes, and government subsidies to national businesses? International Communitarians International...
Sunday, May 1, 2016 by ryan

Art
They collected works that were culturally popular. They collected works that depicted revolutions. They collected works that depicted the history of cities. They collected works that supported new, unusual artists.(MY ANSWER) What did Henry Walter's collection communicate...
Sunday, May 1, 2016 by LOVE

science
Calculate the pH of a solution of ammonium acetate (CH3COONH4) 0,85M knowing that for NH3 Kb = 1,79x10-5 and CH3COOH Ka = 1,76x10-5 and commented on the result obtained. Then calculate the percentage of acetic acid product at equilibrium
Sunday, May 1, 2016 by frankscience

science
Calculate how many grams of NaOH must be added to 75.0 ml of H2SO4 1,000m to get a tampon that has pH = 1,920
Sunday, May 1, 2016 by frankscience

Asexual reproduction is common in _____. A. Mammals. B. Frogs. C. Fertilization. D. Bacteria.
Saturday, April 30, 2016 by Geek Girl

science
A truck travelling down the hill at constent acceleration. If it teavell 300m in 15s calculate it acceleration
Friday, April 29, 2016 by akki

Science - Chemistry
1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of the ____. 2. The description of the structure of the atom is called the ___. 3. In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A _____ ...
Friday, April 29, 2016 by Hunter

2) What phenomenon naturally warms Earth's lower atmosphere and surface? • the formation of sunspots • changes in the shape of Earth's orbit • global warming (MY ANSWER) • the greenhouse effect 3) Which of the following is an example of human impact...
Friday, April 29, 2016 by Jessica

Science
Compare a desert ecosystem and forest ecosystem.
Friday, April 29, 2016 by Isaac

Math/Computer
I had finished a project and the last question is making me graph something on Word. How do I graph (3, 0) on word? Thank you :)
Friday, April 29, 2016 by Alexia Smith

Science
Please chrck my answer! How does a galvanometer use a magnetic field to indicate the strength of an electric current? When a current is passed through a magnetic field, it goes through a coil and to a galvanometer.
Friday, April 29, 2016 by Mara

Science
Please help?!? In figure 20-1, where is the field of each charge the strongest? The picture shows A. A postive charge with arrows facing out and B. A negative charge with the arrows pointing in. This is a short answer question, but I don't understand what kind of answer ...
Friday, April 29, 2016 by Kenzie

Science
Check this Compare renewable and nonrenewable energy sources, and discuss the effects of each on biodiversity. My answer Renewable resources are things like the wind and sun. You will never run out of these things. Nonrenewable resources are things like fossil fuels. We will ...
Friday, April 29, 2016 by Ange

Science
Someone check this please Consider a wetland ecosystem similar to the one shown in the image below. In this ecosystem are two species: a small fish species and a wading bird species that feeds on the small fish as its main source of food. Oxygen levels are a limiting factor....
Friday, April 29, 2016 by Ange

science
A stone of mass 20g is projected vertically upward with a catapult whose rubber has a force constant of 72Nm-1. If the tension in the cord at the point of release is 36N, find (a) the velocity of projection of the stone (b) the maximum height attained by the stone
Friday, April 29, 2016 by Bukky

Math
The following table represents a grouped frequency distribution of the number of hours spent on the computer per week for students. What percentage of students used the computer between 7 and 14.9 hours per week? Round your answer to one decimal place, if necessary. Hours ...
Thursday, April 28, 2016 by Devhin Miles

science
A 9-volt battery supplies 0.125 A of electrical current to a toy car. The car has a mass of 0.100 kg and the coefficient of friction between the tires and the ground is 0.4. If the car is 100% efficient, how far will the car travel in 10 seconds?
Thursday, April 28, 2016 by Anonymous

science
A 2 kg mass is hanging from a spring with a constant of 1500 N/m. What is the elongation of the spring?
Thursday, April 28, 2016 by Anonymous

Science
A 2 kg mass is hanging from a spring with a constant of 1500 N/m. The mass is pulled down a distance of 0.3 m and then released. If the specific heat capacity of the spring is 0.35 J/gK, the spring has a mass of 10 g and the initial temperature of the spring is 20 degrees ...
Thursday, April 28, 2016 by Jon

science help pls pls
One group of scientists has proposed a new theory on Adaptation. A majority of scientists worldwide agree with the theory. The theory is most likely biased. incomplete. accurate. unchangeable. is it accurate pls help me
Thursday, April 28, 2016 by Oscar

Science
How does light traveling through different mediums change the angle of refraction?
Thursday, April 28, 2016 by Help Please

Science
How would you prove that sodium hydroxide is a base without using a litmus paper to test? Give the equation for the reaction?
Thursday, April 28, 2016 by Wissy

Science
Hello I just want to know how to calculate the velocity from the given infomation: there is a dart shot from a dart gun and is flying towards an object. For the dart to hit the object, it took 18 frames. There is 240 frames in one second. The distance is 45cm from where the ...
Thursday, April 28, 2016 by Marvin

•What are earthquakes? •Where do they occur most often? Why? •How likely is it that your area will experience an earthquake? •What are the types of seismic waves? Describe/explain each of them. •What instrument do seismologists use to measure/detect ...
Thursday, April 28, 2016 by FluttershyK22

Science
A solution contains 60g of sugar in 480g of water calculate the concentration of solution in terms of mass by mass percentage of the solution
Thursday, April 28, 2016 by Subhitcha

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, April 28, 2016 by Plz help

Science
Name two types of evidence used to support the theory if evolution. Explain how scientist use each type of evidence to provide support for evolution. Give one example of each
Thursday, April 28, 2016 by Plz help

Science
The compound which will form the strongest dipole between CCl4;CO2;BF3;HCL;PF3
Thursday, April 28, 2016 by Metse

Army school science
What is intial velocity?
Thursday, April 28, 2016 by Shivoy

science
which of the following does not change when a car keeps a constant speed but changes direction
Thursday, April 28, 2016 by Grace

Science
In a series circuit if the circuit resistance is 560ohms and the inductive reactance is 1200ohms, what would be the voltage drop across the inductor
Wednesday, April 27, 2016 by Bob

SCIENCE
Which of the following gases occupy the smallest volume at STP? a 4.032 g H2 b 1.000 mol of carbon dioxide c 6.022 × 1023 molecules of O2 d 35.45 g Cl2
Wednesday, April 27, 2016 by MELANIE

Probability
Mr.Roy needs two students to help him with a science demonstration for his class of 18 girls and 12 boys. He randomly chooses one student who comes to the front of the room. He then chooses a second student from those still seated. What is the probability that both students ...
Wednesday, April 27, 2016 by Mi

Re-post - Science - from Spitfireredhead
Posted by SpitFireRedHead on Wednesday, April 27, 2016 at 8:23am. Please check this. Thanks! 1. Which of the following shows fossils as evidence of continental drift? a. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in ...
Wednesday, April 27, 2016 by Writeacher

science
how would you produce a pure sample of hexane
Wednesday, April 27, 2016 by Denanda

Science
Im sorry i am totally stumped What is the main difference between mechanical and electromagnetic waves A. Mechanical waves involve the transfer of energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves do not C. Mechanical...
Wednesday, April 27, 2016 by help me

physics
home / study / science / physics / questions and answers / a 10kg block slides towards the 3kg moving block ... Your question has been answered! Rate it below. Let us know if you got a helpful answer. Question A 10kg block slides towards the 3kg moving block to create a ...
Wednesday, April 27, 2016 by anna

physics
home / study / science / physics / questions and answers / a block of mass 3kg s sliding along the frictionless ... Question A block of mass 3kg s sliding along the frictionless horizontal surface with a speed of 2m/s. 1. What is the kinetic energy of the block? 2. A wedge is ...
Wednesday, April 27, 2016 by anna

Science
Which of the following statements is true about Earth's magnetic poles? A.They are located at earths geographic poles B.They are the areas where Earths magnetic field is weakest. C. They are the areas where Earths magneic field is strongest. D. Earth has one dominant ...
Wednesday, April 27, 2016 by Sara

science
which of the following cellular organelles is responsible for realising the energy contained in food
Wednesday, April 27, 2016 by Dana

Science "HELP"!
1.)A vacuum flask keeps its contents warmer or cooler than the surrounding environment for a length of time. It consists of two flasks, one inside the other, that connect at the neck. The space between the two flasks is COMPLETELY empty of air. A)- One flask is smaller than ...
Wednesday, April 27, 2016 by #FreeGucci

Science (please check Ms. Sue)
Please check this. Thanks! 1. Which of the following shows fossils as evidence of continental drift? a. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in Scotland’s highlands. b. Mesosaursus, an ancient reptile, had ...
Wednesday, April 27, 2016 by SpitFireRedHead

science
The angle between incident ray and the mirror is 30° a. What is the angle of incidence b. What is the angle of reflection?
Wednesday, April 27, 2016 by muxibo

science
What is the Biosphere ?
Wednesday, April 27, 2016 by muxibo

science
Give five application of Doppler Effect in science
Wednesday, April 27, 2016 by ORIFHA

SCIENCE PLZ HELP YES OR NO ANSWER
DOES THE GALAXY ANDROMEDA HAVE A SUN? I THINK IT DOESN'T BUT IM NOT SURE PLZ HELP THX! ~Sparkles_01
Wednesday, April 27, 2016 by Sparkles_01

Science
if you had a real thermometer that was accurate how could you modify your experimental thermometer to read actual temperatures
Tuesday, April 26, 2016 by #FreeGucci

Computer
Write an algorithm and flowchart that will accept 30 students calculate and print the average mark in basic program.
Tuesday, April 26, 2016 by Musa Bilya

Science
2.)you had a real thermometer that was accurate, how could you modify your experimental thermometer to read actual temperatures?
Tuesday, April 26, 2016 by #FreeGucci

science
how can I discuss how Mendeleev's periodic table relates with the modern one
Tuesday, April 26, 2016 by varaidzo

Science
how does changing temperature affect inland and coastal areas? Please give me a brief explanation.
Tuesday, April 26, 2016 by saliha

science
Calculate the emf of the cell CR|Cr3+(0.1M)||Fe2+(0.1M)Fe Given, E°Cr3+|CR = -0.75v E°Fe2+|Fe = -0.45v Cell reactn 2Cr(s)+3Fe2+(aq) -> 2Cr3+(aq)+3Fe(s)
Tuesday, April 26, 2016 by Rasilu

science
Calculate the EMF of the cell CR|Cr3+(0.1M)||Fe2+(0.1M)|Fe Cell reaction- 2Cr(s)+3Fe2+(aq)->2Cr3+(aq)+3Fe(s)
Tuesday, April 26, 2016 by Rasilu

Science
An organisms particular role in its habitat is or when and how it survives is called its what? A.carrying capacity
Tuesday, April 26, 2016 by Senpai were all gunna die

Science help ASAP
1. Carrying capacity is the maximum number of ____ that an ecosystem can support. A. Different species B. Individuals in a population C. Habitats D. Limiting factors
Tuesday, April 26, 2016 by Dylan

science (URGENT!! CORRECT PLEASE))
(1) The inputs for cellular respiration are: A) Nutrients and carbon dioxide B) Energy and carbon dioxide C) Nutrients and oxygen D) Energy and oxygen ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My Answer: B ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (2) The outputs for cellular respiration are A) ...
Tuesday, April 26, 2016 by Yuno Gasai

Computer science
I want to make my traffic lights run automatically without any user input. I have created this code so far but the images don't show up please help. My code: <!DOCTYPE html> <html> <head> <script type="text/javascript"> var lights=["...
Tuesday, April 26, 2016 by L

SCIENCE
I mix 300.0ml of the barium nitrate solution from 1c with 100ml of a 1.50M lithium phosphate solution. The reaction produces solid barium phosphate a. Write a balanced equation for the reaction. b. Which is my limiting reagent? c. How much barium phosphate may be produced in ...
Tuesday, April 26, 2016 by AKASH

computer science
Internet Service Provider An Internet service provider has three different subscription packages for its customers: Package A: For \$9.95 per month 10 hours of access are provided. Additional hours are \$2.00 per hour. Package B: For \$13.95 per month 20 hours of access are ...
Tuesday, April 26, 2016 by ignatius

Science
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04 solution if final density 1.25g/ml. Ans is 0.227M
Tuesday, April 26, 2016 by Anonymous

Science
25 g of Iron (II) Oxide reacts with 25 g of Chloric acid to produce Iron (II) chlorate and water. a. Determine the limiting reactant b. Determine the excess reactant c. Determine the theoretical yield of water d. Determine how much excess reactant is left e. Determine the ...
Tuesday, April 26, 2016 by Jaime