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August 1, 2015

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Computer Science
A public transport company provides three types of transports to its passengers to travel from city A to city B of different state. The three types of transports are train, bus and taxi. Each transport has different charges and maximum seats limit. The table below shows the ...
Saturday, June 13, 2015 by Tiffany

Science
If you have a rocket with a mass of 30.0 kg, how much thrust will be needed to have a thrust to weight ratio of 3:1?
Friday, June 12, 2015 by Lucy

Science
1. Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude? (1) 0° (2) 45° (3) 90.° (4) 180.° 2. A rock is thrown straight up into the air. At the highest point of the rock...
Friday, June 12, 2015 by Jess

Science
Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude? (1) 0° (2) 45° (3) 90.° (4) 180.°
Friday, June 12, 2015 by Kim

science
) If an ocean is opening at a rate of 5 cm/year and it has been doing so at the same rate for 10 million years, approximately how wide is that ocean?
Friday, June 12, 2015 by Alex

Computers
Your sister is considering purchasing a tablet computer that utilizes RT as the operating system. She asks you if RT is any different from her Windows 8 desktop she has at home. What do you tell her? A. Unlike her Windows 8 PC, RT does not have a tile-based interface. B. RT is...
Friday, June 12, 2015 by Jay

science
5 L OF H2 GAS WAS COLLECTED OVER WATER AT 25 CELCIUS AND 750 MM PRESSURE CALCULATE THE VOLUME OF DRY H2 AT STP AQUEOUS TENSION AT 25 CELCIUS IS 23 MM
Friday, June 12, 2015 by ritika agarwal

Science
I have 59.73 grams of a solid dissolved into water. The total is now 115ML of water. I added the water into a beaker already containing said solid. I did not measure how much water I put into the beaker. 59.73g/115ML=0.51g/ML My question is. Is this the correct way to mix and ...
Thursday, June 11, 2015 by Dave

science
after starting from rest, a car acceleraters uniformly 1.2 m/s^2 for 20 s. it then continues driving at a constant velocity for 19s longer. what is the average velocity for 39 s ?
Thursday, June 11, 2015 by Anonymous

Science
What is the density of a substance with a mass of 0.0450 kg and a volume of 26.4 ml
Wednesday, June 10, 2015 by Diana

science
Two velocity each 5 ms/s are inclined to each other at 60degree. Find their resultant
Wednesday, June 10, 2015 by Animesh

Science
One of the most common commercial methods for the production of pure silicon that is to be used for the manufacture of semiconductors is the Siemens process (see Figure P5.3.5) of chemical vapor deposition (CVD). A chamber contains a heated silicon rod and a mixture of high-...
Tuesday, June 9, 2015 by Tyla

algebra
The price of a new computer is p dollars. The computer is on sale for 20% off. Which expression shows the savings that are being offered on the computer?
Tuesday, June 9, 2015 by jada

science
Ram is 35 kg sitting 120 cm away from the pivot while Hari is 30 kg sitting at another end of seasaw. How far should Hari sit from the pivot point? Calculate
Tuesday, June 9, 2015 by dips

SCIENCE
Joseph jogs from one end "A" to another end "B"of a straight road in 300 metre in 2 minutes 50 seconds and then turns around and jogs 100 metre back to point"c"in another 1 minute.What is the Joseph'S average speed and velocity from "A&...
Tuesday, June 9, 2015 by RAI

science
Which of the following properties of water explains its characterization as the universal solvent? Which of the following properties of water explains its characterization as the universal solvent? A. Kinetic energy of liquid water molecules B. High specific heat C. Polarity ...
Tuesday, June 9, 2015 by wedi

Kainantu sec..science(chemistry)
How many moles of O2 are there in the above sample at the initial temperature and pressure?
Tuesday, June 9, 2015 by Tema Andrew

Kainantu sec..science(chemistry)
A sample of O2 gas occupies 1.93L at a pressure of 10.0atm at 100 degree celsius. What volume will the sample occupy at stp?
Tuesday, June 9, 2015 by Tema Andrew

Kainantu sec..science(chemistry)
At stp what volume of SO2 gas will be produced when 2.00g of CS2 is burned
Tuesday, June 9, 2015 by Tema Andrew

Science
how many of earth's atmospheres is on you at sea level?
Monday, June 8, 2015 by Rosy

science
Two forces P and Q whose resultant is 10Newton are at right angles to each other. If P makes 30 degrees with resultant.Show me the workings of the magnitude of Q in Newton and the diagram of the vectors.
Monday, June 8, 2015 by Anonymous

science
A car is travelling at 20m/s along a road. A child runs out into the road 50m ahead and the car driver steps on the brakes pedal. What must the car’s deceleration if the car is to stop just before it reaches the child?
Monday, June 8, 2015 by abhishek

meyisi s s s
geography, life science, history, l o , maths lit, english and xhosa
Monday, June 8, 2015 by sinemvelo luthando

science
Arthropoda Chelicerata Merostomata (horseshoe crabs) Arachnida (spiders, mites, scorpions) Pycnogonida (sea spiders) Crustacea Copepoda (small crustaceans) Cirripedia (barnacles) Malacostraca (crabs, lobsters, shrimp) Uniramia Insecta (insects) Chilopoda (centipedes) Diplopoda...
Sunday, June 7, 2015 by wedi

physical science
A man applies a force of 150N to pull a 20kg box with a rope that makes an angle of 60percent with the horizontal.The box experience a kinetic friction of 15N. Calculate the acceleration of the box.
Saturday, June 6, 2015 by mandy

Science
A species of flowering plant produces vibrant blue flowers. The flowers attract both pollinators that spread the plant's pollen and herbivores that feed on the plant. An adaptation occurred through several generations of plant species, and the plant is now known for its ...
Friday, June 5, 2015 by Anonymous

science
A NEGLIGIBLY SMALL current is passed through a wire of length 15 m and of uniform cross-section 60x 10^7 m2 and its resistance is measured to be 50.what is the restivity of the material at the temperature of the experiment.
Friday, June 5, 2015 by sarita

science
Calculate the volume of solution that has a vapour pressure of 25.8 mbar and contains 200.3 g of galactose, C6H12O6, at a temperature of 22.0 °C. The vapour pressure of pure water at 22 °C is 26.40 mbar, the density of water is 1.00 g mL-1, and assume no change in ...
Friday, June 5, 2015 by Jane Smith

Science (Physics)
A conductor carries a current of 25 A and is at right angles to a magnetic field. The flux density is 0.8 Tesla and the length of the conductor in the field is 35 cm. Calculate the force acting on the conductor, and the value of the force if the conductor is inclined at 35 ...
Thursday, June 4, 2015 by Eren A

computer programming
HotelRoom class programming . Replace Disply_Number() and Display_Guest() methods by the methods Get_Number() and Get_Guest(), respectively , so that each returns a pointer to the corresponding instance variable. Recode main() as necessary .
Thursday, June 4, 2015 by Nancy

Physical science paper 1 june exam
What is Reflection?
Thursday, June 4, 2015 by Lonwabo

science
An electromagnetic calorimeter made of Pb that has inside a Co-60 source with the activity 4 Ci.The two gamma rays emmited have the energies 1.173 MeV and 1.332 MeV. Calculate the time after that the temperature of the calorimeter rises with T=10 K. C=92J/K (for Pb)
Thursday, June 4, 2015 by A.

Computer Lit
Does this look good? It's about Piracy and my position. Computer Piracy What is piracy? Are there pirates running around on the Internet? Piracy is theft, you’re stealing copyrighted work. You’re not stealing if you buy a book, a song on iTunes, or a movie off of...
Thursday, June 4, 2015 by Kevin

Science--HELP!!
Can you please check my answers: 1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of _________ (electrons?) 2. The description of the structure of the atom is called ______ (atomic model?) 3. In a water molecule, two atoms of ...
Thursday, June 4, 2015 by Amy

Computer Literacy
Should piracy be allowed or not allowed? -----------> This isn't a quiz or a unit test. This isn't an essay either. I just want 3 facts or opinions to support the reason why piracy should be allowed or NOT allowed.
Thursday, June 4, 2015 by Christina

Science
What do B cells do?
Thursday, June 4, 2015 by Christina

Science
In the ocean, there are areas where there are very few living things. ____________ is the term that describes when this happens to a natural area.
Thursday, June 4, 2015 by Alina

Science
If 15% of the radioactive material decays in 5 days, what would be the percentage of amount of original material left after 25 days?
Thursday, June 4, 2015 by Anonymous

paramedic science
The male person on-scene is complaining of abdominal pain but refuses any treatment or transport going against your advice. He has obvious bruising to his abdomen consistent with a seatbelt injury. Using Queensland Ambulance Service protocols as a guide - discuss what steps ...
Thursday, June 4, 2015 by JOhn

Science
A 13.0 kg block of concrete rests on a 5 cm by 2 cm board. What is the acceleration of the block of concrete here on Earth?
Wednesday, June 3, 2015 by Ally

science
1. The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave travel? A B C D is the answer A? Which of the following correctly describes a radio wave? A long wavelength and high frequency B long wavelength and low frequency...
Wednesday, June 3, 2015 by Unknown

science
Light waves strike a lamp shade. What property of light is demonstrated? diffuse reflection* diffraction refraction regular reflection
Wednesday, June 3, 2015 by starbuckshelp

Science
Which of the following correctly describes a radio wave? long wavelength and high frequency long wavelength and low frequency short wavelength and low frequency short wavelength and high frequency 3. When the energy of a light wave is transferred to a particle and causes it ...
Wednesday, June 3, 2015 by justuknown

science
I want to write a CV , could you help and notice me how to do it ? with respects
Tuesday, June 2, 2015 by MAD

science
electric charges that are different A. attract each other B. Repeal each other C. exist in pair D. DO not interact
Tuesday, June 2, 2015 by briana

Science Help Plzz
1. The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave travel? A B C D is the answer A? Which of the following correctly describes a radio wave? A long wavelength and high frequency B long wavelength and low frequency...
Tuesday, June 2, 2015 by Diana

Earth science
Hello! Does Jiskha have Earth Science tutors? If not, could someone direct me to a site where I could ask for help? My questions regard finding out specific heat capacity and heat of fusion and heat of vapourization of water. Thank you!
Monday, June 1, 2015 by Lucina

science
Could someone who goes to connexus academy Please please please give me the answers to Human Impact on the Environment Unit Test pretty please im stressed out and im backed up.please please help i will repay you! please!!!! and please may they be the CORRECT answer. Thank you ...
Monday, June 1, 2015 by lizzy

Science
A plane is flying horizontally with speed 215 m/s at a height 2770 m above the ground, when a package is dropped from the plane. The acceleration of gravity is 9.8 m/s^2. Neglecting air resistance, when the package hits the ground, the plane will be _________. Can anyone ...
Monday, June 1, 2015 by Kim

Science
Calculate the energy of a photon of ultraviolet light of wavelength 200nm
Monday, June 1, 2015 by Tebogo

Science
Which of the following is not a characteristic of natural selection? A. More offspring are born than will survive to reproduce. B. Mutations appear randomly. C. Breeding pairs are chosen by humans. D. Organisms that are better adapted are more likely to survive.
Sunday, May 31, 2015 by Zeana

Agricultural Science,Business Studies,History,Life Orientation.
I do the following subjects:Agricultural Science,Business Studies,History,Life Orientation and Two Languages.And Im wondering What kind of A Job can I get and which college/university can Go to? .. Please Help
Sunday, May 31, 2015 by Ezethu Sizani

Science
When 1.23g of ethanol (delta c Hm = -1368kj/mol at 25 C ) is burned in an adiabatic flame calorimeter, the temperature increases by 8.6 C. Under the same experimental conditions, when 1.14g of 1-propanol is burned, the temperature increases by 9.0 C. What is delta c Hm for 1-...
Saturday, May 30, 2015 by Nancy

Science
A solution containing 3.22g of solute in 40.0g of 1,4-dichlorobenzene and its freezing point is 49.2 C. Calculate the molar mass of the solute.
Saturday, May 30, 2015 by Nancy

science
1. Descriptive statistics are widely used in qualitative research. When establishing if a population is normally distributed explain when the statistics of sample size, mean, mode, median, skewness and kurtosis will guide the researcher to make conclusions of a normal ...
Saturday, May 30, 2015 by jonathan

Science
What is the percentage composition of copper, Cu, in Cu20? A. 44% B. 80% C. 89% D. 133% I Choose C, Am I correct?
Friday, May 29, 2015 by Giovanna

science
A ball with a mass of 3.47 kg is rolling along at 17.4 m/s. If you apply a force of 52.2 N to it, how many seconds will it take to stop?
Thursday, May 28, 2015 by zach

science (cladogram)
How would a scientist use DNA or protein sequences from three different organisms to construct a cladogram?
Thursday, May 28, 2015 by anonymous

science
What is the power of a 900 n force applied over a distance of 40 m for 45 sec?
Thursday, May 28, 2015 by Sarah Moyer

science
the ratio of velocities of two object a and b is 1:3. if the position-time graph of object a is inclined to time axis at 30degree then the position-time graph of object b is inclined to time axis at
Thursday, May 28, 2015 by pari

Science (theory of evolution)
How would a scientist use DNA or protein sequences taken from three different organisms to construct a cladogram.
Wednesday, May 27, 2015 by anonymous

Science
Assuming a warm front is moving into the area, there is a stignant (non moving) cold air mass around New York, what type of precipitation might be expect? How long might it last?
Wednesday, May 27, 2015 by Dre

Science
If it is snowing in Great Neck, what type of air mass must be present?
Wednesday, May 27, 2015 by Blake

Science
Why can cold air masses from Canada make it all the way down to the Gulf of Mexico?
Wednesday, May 27, 2015 by J.J

Science
Describe what would happen if a positively charged sodium ion and a negatively charged chlorine ion came into contact?
Wednesday, May 27, 2015 by Trent

science
What happens when a warm humid air mass meets a cold dry mass?
Wednesday, May 27, 2015 by Kim

Science
Why are Canadians air masses considered to be dry air masses?
Wednesday, May 27, 2015 by Kimber

science
How would a scientist use DNA or protein sequences taken from three different organisms to construct a cladogram.
Wednesday, May 27, 2015 by Anonymous

Science
If the volume of a balloon is 5.0 L at 22 degrees Celsius, what will be the new volume if the balloon is heated to 75 degrees Celsius? Should the volume increase or decrease? 5/22=x/75 x=17.045
Wednesday, May 27, 2015 by Ethan

Science
Which of the following describes the use of a renewable energy source? A. using natural gas to heat a house B. using a windmill to grind grain C. using petroleum to run a car D. using coal to generate electricity I think the answer is B.
Wednesday, May 27, 2015 by sTudent

Science
1. Which of the following is the most effective way to preserve biodiversity? A) Captive breeding B) Habitat destruction C) Habitat preservation D) Habitat fragmentation I think its A)
Wednesday, May 27, 2015 by sTudent

Science (Physics)
A 33.3 kg cyclist is riding a 10.7 kg bicycle at a velocity of 7.0 m/s. If the cyclist applies a brake that applies a force of 42.7 N, what is the time required for the cyclist to come to a stop?
Wednesday, May 27, 2015 by Jazmin

science
which of the following has the largest nos of oxygen atom. 1- 1 gm of oxygen atom 2- 1 gm o^2 3- 1 gm of ozone
Wednesday, May 27, 2015 by divyam arora

Science
I need help with questions regarding information about the Galapagos Island volcano. 1. where is the volcano located 2. how long has it been active 3. what kind of volcano is it 4. is it dangerous 5. what is the surrounding area like 6. what else is there to do in the ...
Wednesday, May 27, 2015 by Chan

science
Why does a light go out when you turn off the wall switch? A. The switch changes the direction of the flow of electrons. B. The switch causes a break in the circuit. C. The switch changes the circuit from series to parallel. D. The switch absorbs the electrical energy.
Tuesday, May 26, 2015 by Anonymous

Science (theory of evolution)
How has the fossil record support the theory of evolution?
Tuesday, May 26, 2015 by Anonymous

Science (theory of evolution)
How has the genetic code support the theory of evolution?
Tuesday, May 26, 2015 by Anonymous

Science
What are some unexplained aspects of the future of fossil fuels and other energy?
Tuesday, May 26, 2015 by Anonymous

SCIENCE!! PLEASE HELP!!! CHECK ANSWERS PLZ
1)When evolution was first proposed, which of the following was used as evidence to support the idea? (1 point) A)observations of nature*** B)laboratory experiments C)extensive fossil collections D)genetic sequences 2)How did Darwin and Lamarck differ in their thinking about ...
Tuesday, May 26, 2015 by .....

computer
The merge process involves which two types of files? A. Main document and data source B. Text and merge fields C. Mail merge template and mailings D. Primary and secondary
Monday, May 25, 2015 by yogita

science
what happens to insulin when kidney failure happens?
Monday, May 25, 2015 by mmv

science
A ping pong ball and a penny are placed in water. The ping pong ball floats while the penny sinks? What property of water does this demonstrate? I think it has to do with the density. The reason the ping pong ball floats is because it has a lower density than the water. The ...
Monday, May 25, 2015 by mmv

science
If A represents atomic mass and Z represents atomic number, which of the following describes an atom after a proton is emitted from its nucleus? A. A+ 1, Z + 1 B. A-1,Z-1 C. A+ 1, Z-1 D. A-1, Z + 1 My answer is B
Monday, May 25, 2015 by sandra

earth science
_____ currents assist in the transfer of energy from warmer climates to cooler climates
Monday, May 25, 2015 by dustin

4th grade Science (Please Help!)
Bowl A and Bowl B are filled with the same amount of water. Bowl A is covered in plastic wrap. Both bowls are left on a counter. The water level is checked in both bowls after 1 week. What is the independent variable? PLEASE HELP.
Sunday, May 24, 2015 by Yellow

4th grade Science (Please Help!)
Bowl A and Bowl B are filled with the same amount of water. Bowl A is covered in plastic wrap. Both bowls are left on a counter. The water level is checked in both bowls after 1 week. What is the hypothesis? Please HELP!
Sunday, May 24, 2015 by Yellow

Science
what is the combination of waves?
Sunday, May 24, 2015 by Andre

science
What are some scientific terms for metal rust
Sunday, May 24, 2015 by JImmy

Science
When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A. +2 B. -1 C. -2 D. +1
Saturday, May 23, 2015 by Jamal

science
Plant-deer-tiger The first step in the energy chain that created the bonds of proteins in the tiger's muscle cells in the food chain shown above is A. deer the tiger ate B. plant the deer ate C. photons the sun made D. carbohydrates the plant made I think its A because by ...
Saturday, May 23, 2015 by mandi

science
Moths with certain coloring are camouflaged in their habitat. Over time, more moths are born with this coloring. Which of the following best explains the increasing number of moths with this coloring? A. Natural selection B. Gene flow C. genetic drift D. sexual selection I ...
Saturday, May 23, 2015 by mandi

Science
A spherical object made of stone is dropped into a container of water and sinks to the bottoms of the container causing 30N of water to spill out. What is the estimated gravitational force of the object?
Saturday, May 23, 2015 by Ally

Science and maybe re
This isn't really homework, but I thought someone could really help me with this. Did time exist before the Big Bang? I believe in God; if time always existed, why did he make it wait? Looking for a really scientific explanation. Thanks!
Saturday, May 23, 2015 by Science

Science
A balloon filled with air is taken up a mountain with hiker. What is the pressure exerted on the balloon at sea level?
Friday, May 22, 2015 by Theresa

Science
What is the most popular non-renewable energy source?
Friday, May 22, 2015 by Anonymous

Science
Determine the final temperature when 100 g of water absorbs 1000 J of thermal energy, given that the initial temperature of the water is 20.0°C. The theoretical specific heat capacity of water is 4.19 J/g·°C. Show your work below.
Friday, May 22, 2015 by Desirae

7th Grade Science
1. Which of the following statements about continental glacial movement is correct? A. Continental glaciers can only flow uphill. B. Continental glaciers can flow in all directions *** C. Continental glaciers can only flow downhill. D. Continental glaciers do not flow at all. ...
Friday, May 22, 2015 by Aleksander

Science
How does friction affect the height that a ball will bounce? Can you give a hypothesis too of what i'll need to do please!? I'm confused
Friday, May 22, 2015 by Rock

Science
How does friction affect the height that a ball will bounce? Can you give a hypothesis too of what i'll need to do please!? I'm confused
Friday, May 22, 2015 by Ellie_Fan

Science- 8th grade- please help!!
1) What evidence is there that the human species has been successful so far? Explain. 2) What environmental pressures in the past do you think were most important in shaping the human species as it exists today? 3) What environmental pressures exist now that you think may be ...
Thursday, May 21, 2015 by Savannah H

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Homework Help: Computers

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