Tuesday
February 28, 2017

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

physical science
in a tug of war the left team pulls with a force of 300N and the right team pulls with a force of 150N. what is the resultant force?
Friday, January 20, 2017 by jennifer

science
A stone is dropped from a height 80m calculate k.e and p.e at ts t 2 s
Friday, January 20, 2017 by mora

Science
why can't a model of the solar system be proportionate in distance b/w the planets and size of the planets? I think that a scale model that is proportionate could include both
Thursday, January 19, 2017 by Lori

Science
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. Suppose that the local ...
Thursday, January 19, 2017 by Help I need somebody not just anybody

Science
.Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland. This is an example of _________________ pollution. Ms.Sue
Thursday, January 19, 2017 by Help I need somebody not just anybody

Science
If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will decrease. Oxygen level in water is therefore a(n) _____________ with respect to the number of trout that a particular stream can support.
Thursday, January 19, 2017 by Help I need somebody not just anybody

Forensic Science
What drug is the greatest challenge for Forensic Science?
Thursday, January 19, 2017 by Ari

science (ASAP)
identify the terms or phrases that are paired together correctly a. deserts and dwarf trees b. temperate and deciduous forest and evergreen trees c. subarctic taiga and moss d. tundra and permafrost ***
Thursday, January 19, 2017 by Miranda

Science
Other than moisture what are the three major components of the air you breathe
Thursday, January 19, 2017 by Anonymous

science
how many atoms are in 10.0 grams of sulfur?
Thursday, January 19, 2017 by maddy avery

Science
Which of these statements are true? A. There is more water on Earth now than there was millions of years ago. B. There is less water on the Earth than there was millions of years ago.(MY ANSWER) C. There is no way to tell how much water there was on Earth millions of years ago...
Thursday, January 19, 2017 by Millicent

science
Three dogs—Ed, Max, and Marcie—are pulling a dogsled along a patch of ice. Ed pulls with a force of 115 N; Max pulls with a force of 62 N; and Marcie pulls with a force of 90 N. If there are no forces pulling the sled backward, what is the net force acting on the sled?
Thursday, January 19, 2017 by breyana

Science
This is for 7th grade science and I think this was good tell me if I'm wrong Like climate, change to an environment will affect the ones living in it. Plants that are moribund in an area where they grow changes in the environment will help the plants thrive because they change...
Thursday, January 19, 2017 by Hallee

science
I need a acrostic poem on photosynthesis
Thursday, January 19, 2017 by deez

Science
A pebble is dropped into a graduated cylinder with 20ml of water in it. After the pebble is dropped in, it sinks and the water level rises to 25ml. What is the volume of the pebble? (Numbers and Units!) I did 25ml - 20ml but the answer had to be something about density.
Thursday, January 19, 2017 by Haider

Science
Why isn't there any evidence of black holes? Or any pictures of black holes, there are always computerised pictures
Thursday, January 19, 2017 by Shawne

Science
a 30 gm bullet is fired from a gun of mass 2kg with a speed of 800m/s. Find the magnitude and direction of the velocity of gun
Thursday, January 19, 2017 by Anonymous

MATH HELP
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by Johnathan (John)

science
Calculate the work done in each of the following situations. (a) A horse pulls a wagon with a force of 1200 N and moves it 15 m. (b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N. -How much work is required to lift a 35-kg object from the ...
Wednesday, January 18, 2017 by james

Physical science
Explain whether the size of an object’s displacement could be greater than the distance the object travels.
Wednesday, January 18, 2017 by Taylor

MATH HELP
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by Johnathan (John)

english
Decide if the underlined pronoun in the sentences below is used as a subject, a predicate nominative, or an appositive. 15. Both Ben and "he" will graduate at the same time. (1 point) subject *** predicate nominative appositive 16. The driver of that station was "she". (1 ...
Wednesday, January 18, 2017 by searcher

Math Help
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by John

science
what are examples of a biomass fuel A.oil B. natural gas C.wood D. coal
Wednesday, January 18, 2017 by <kyky

English
1. The sound device in which vowel sounds of nearby words are repeated is called (1 point) alliteration assonance consonance onomatopoeia 2. The word wail is an example of (1 point) alliteration assonance consonance onomatopoeia 3. In “The Rime of the Ancient Mariner,” why...
Wednesday, January 18, 2017 by boo

Physical Science.
I need help answering this inferring question because I don't fully understand it. Q: Infer whether the size of an object's displacement could be greater than the distance the object travels.
Wednesday, January 18, 2017 by Kristen

Maths, Accounting, Life Orientation, Life Science, Physical Science, English and my home language (sepedi)
Could I become a social worker with those subjects?
Wednesday, January 18, 2017 by Pamela Mosoane

Math
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by John

science
Distillation and evaporation are methods to ______.
Wednesday, January 18, 2017 by anonymous

Science
What is the Largest Valve coming from the heart? Please help?? I think it either veins or the Aorta, but I'm not positive.
Wednesday, January 18, 2017 by Anonymos

science
use the terms atome and element to xplane what makes silver and gold different
Wednesday, January 18, 2017 by mohammad

science
why ac current has variable frequency and voltage? I din't understand about hertz. please make me clear about it?
Wednesday, January 18, 2017 by rabin

social science
the need to preserve and protect the Khajuraho temple
Wednesday, January 18, 2017 by harini

science
A train which is moving with uniform acceleration is observed to take 20 to 30 seconds to travel successive 0.4km.how much far then willing travel before coming to rest, if the acceleration remains uniform?
Wednesday, January 18, 2017 by ravi

physics
In a science fiction novel two enemies, Bonzo and Ender, are fighting in outer spce. From stationary positions, they push against each other. Bonzo flies off with a velocity of +1.7 m/s, while Ender recoils with a velocity of -3.3 m/s. Determine the ratio mBonzo/mEnder of ...
Tuesday, January 17, 2017 by Tyler

Science
What is the function that makes hair stand up
Tuesday, January 17, 2017 by Anonymous

Biology
I have a question on plant science, wondering where I can get the answer..
Tuesday, January 17, 2017 by Jeff

Science
28cm3 of a gas weighs 0.4g at STP.Calculate the molecular mass of the gas.
Tuesday, January 17, 2017 by David

science(physics)
Why a minibus is more likely to topple over when the roof rack is heavily loaded than when the roof rack is empty?
Tuesday, January 17, 2017 by annie

science
what should soil have to suit animals which live in soil?why are these things important?hence, infer which type of soil is most suitable for soil living-things ?
Tuesday, January 17, 2017 by hermoine granger

science
A(n) 0.463 kg soccer ball approaches a player horizontally with a speed of 24.4 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 16.2 m/s. What is the magnitude of the impulse delivered to the ball by the ...
Monday, January 16, 2017 by Ian

Science
If T represents the allele for tall pea plants and t represents the allele for short pea plants, what is the phenotype of each parent and of the offspring?
Monday, January 16, 2017 by John Cena

Science
What are some ideas for experiments on a dripping faucet?
Monday, January 16, 2017 by Anonymous

Science
Female mouse has black fur(homozygous) ,male has white fur(homozygous). State their offspring’s fur color.(black color is dominant, white is recessive)
Monday, January 16, 2017 by Amina

science
need help with 3 questions: 1.fossil fuels are a. a natural resource b. renewable c.made from minerals d.burned in hydroelectric plants. 2.which of the following is a renewable for of energy? i didn't have any suggestions :(
Sunday, January 15, 2017 by ieke

Science
A concave lens has a focal length 10cm.An object of height 2.5cm is kept at a distance of30cm from the lens .Determine the position of image & its size
Sunday, January 15, 2017 by Sudarshana Das

Chemistry
If we were to fill a bottle with boiling hot water than place it in a bucket filled with cold water what would happen to the bottle and why? i know the bottle would get crushed inwards but whats the science behind this can someone explain?
Sunday, January 15, 2017 by Chem

science
which gas change the gens of the human
Sunday, January 15, 2017 by rajeevkumar

science
how can I convert 1% w/v to g/ml
Sunday, January 15, 2017 by homework

science
Numerical problem : The dimensions of a certain water tank are 8m x 6m x 4m. What is the pressure at the bottom of the tank, if the tank is half filled?
Sunday, January 15, 2017 by angel

science
concentration of[H+]ion in0.08M Ca(OH)2
Sunday, January 15, 2017 by ruma

math,science, geography
What are three characteristics that mid-latitude cyclones have in with all cyclones?
Sunday, January 15, 2017 by Lindelani

Physics, Science
How would the length of a day be affected if all the world’s inhabitants continuously walked in an easterly direction? When they stopped walking?
Sunday, January 15, 2017 by Ege Kaan Gürkan

science
which of the following would decrease the human ecological footprint? 1) using bottled water instead of tap water 2) using public transportation instead of riding in a car 3) buying books instead of borrowing from the library 4) using hot water instead of cold to wash clothing...
Sunday, January 15, 2017 by sf

Lesson 9: Energy and the Environment Unit Test
Science 6 A Unit 3: Energy and the Environment test I need help on it all
Saturday, January 14, 2017 by sf

Science, pls help Ms. Sue!!!!!!!
an electric current is passed through water in the process of electrolysis two gases are formed one has a boiling point of -183 C and the other one has a boiling point of -253 has a chemical or physical change ocured
Saturday, January 14, 2017 by Kimzy

Science
How many moles of carbon dioxide could be produced from 220 g of C2H2 and 545 g of O2?
Saturday, January 14, 2017 by Shella mae

Arithmetic progression
In a class test some of the answers obtained by Neha in mathematics and science is 28 had she got 3 more in maths is 4 marks class in Science the product of marks in obtained in 2 subjects would have been 180. find the marks obtained is 2 subjects separately. if you found your...
Saturday, January 14, 2017 by Smeta

Science
Has anyone took the Structures and Properties test for 8th grade. I'm a student at connections and I need help.
Friday, January 13, 2017 by Anonymous

maths and science and geography
I describe inorganic as non-living things and organic as the living things. so help me to difference it?
Friday, January 13, 2017 by treasure mokatsa

science
what is meant by vegetative propagation by stem?
Friday, January 13, 2017 by vani

science
who does vegetative propagation by stem occur. CAN YOU PLEASE TELL ME I'LL BE VERY THANKFUL !!
Friday, January 13, 2017 by vani

Science
Fat reacting with sodium hydroxide Is this a chemical or physical change My answer is chemical is this right answer Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water. My answer is physical change. Is this right?
Thursday, January 12, 2017 by PLEASE CHECK MY ANSWER!!!!!!

Physical Science
A step-up transformer has primary coil with 15 turns. How many turns would be required in the secondary coil to increase the voltage from 60 v to 160 v? 15 x=160/80 x=80/15 x=?
Thursday, January 12, 2017 by SAM

Science
What is the kinetic energy of a soccer ball which has a mass of 4 kg and is kicked at a velocity of 10 m/s?
Thursday, January 12, 2017 by Anonymous

Physical Science
Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. (I have to write three lines, it's not a lot) ...
Thursday, January 12, 2017 by Anonymous

Science
lesson 9: energy and the environment unit test science 8 A Unit 4: Energy and the environment Please HELPPPPPP!!!!!!!
Thursday, January 12, 2017 by Jake

Science
Some people prefer to use herbal medicines how will you know if they actually work? Thanks.
Thursday, January 12, 2017 by Ellen

Science
What damage to the environment can the use of plant hormones cause? Thanks.
Thursday, January 12, 2017 by Ellen

Science
MRSA has evolved through natural selection, how? Thanks.
Thursday, January 12, 2017 by Maisie

Science
Pure cultures of safe (non-pathogenic) bacteria can be used for laboratory investigations. What cultures need to grow and to keep the culture pure what must you do? Thanks.
Thursday, January 12, 2017 by Maisie

Physical science
two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem
Thursday, January 12, 2017 by Anonymous

Science
In a chemical compound, would you expect an oxide ion to be joined with one atom of calcium or one atom of potassium? Why?
Thursday, January 12, 2017 by Bob

connexus science
This is for connexus academy unit 4 lesson 11 2.which of the following would result in the greatest reduction of waste A)composting food waste B)recycling glass plastic and metals*** C)reusing rubber leather and textile D)planting more trees in forest 3.which o the following ...
Thursday, January 12, 2017 by dude

financial management
Data for Barry Computer Company and its industry averages follow: A. Calculate the indicated ratios for Barry. B. Construct and extend DuPont evaluation for both Barry and the industry. C. Outline Barry’s strengths and weaknesses as revealed by your analysis. D. Suppose ...
Thursday, January 12, 2017 by mery

Science Fair
For my gr.8 science fair project, I have to come up with a catchy title. My science fair project is on how sugar affects your everyday activities and if it can have a benefit to your productivity. Anyone have an idea for a good title?
Wednesday, January 11, 2017 by Diana

Science
You rode your skateboard 24 miles in 9 hours what was your average speed
Wednesday, January 11, 2017 by Andratta

Science
A quarterback throws a pass 50 m toward the end zone and it takes 2.8 seco to get there. What is the velocity of the ball in m/s?
Wednesday, January 11, 2017 by Abugail

Science
why does all the information available state that the maximum amount of table salt that can dissolve in water is: 36-39 g/100 ml @ 20 degrees Celsius. i put 35.7 g in 100 ml over a week ago, check it 3 times daily and a lot of it never dissolved. the water remained cloudy and ...
Wednesday, January 11, 2017 by Eric

Physical Science
If element X has 81 protons, how many electrons does it have?
Wednesday, January 11, 2017 by Emma

Science
Classify the chemical equation as a combination/synthesis , single replacement, or combustion NaCl(aq) + AgNO3(aq) à AgCl(s) + NaNO3(aq)
Wednesday, January 11, 2017 by Alex

math
A teacher from Anderson Middle School printed k nametags in preparation for the science fair. Half of the nametags were given out to students and 100 nametags were given out to parents. Three-fifths of the remaining nametags were given out to teachers and contests judges. How ...
Tuesday, January 10, 2017 by Anonymous

Earth science
Most of the sand that makes up the sandstone found in New York State was originally deposited in which type of layers?
Tuesday, January 10, 2017 by Anonymous

Science
True or False: a trapezoid is a quadrilateral, but it is not a parallelogram. Explain your thinking
Tuesday, January 10, 2017 by Raleigh Fisher

Science
A rock has an initial volume of 10ml and a final volume of 20ml. The mass of the rock is 30g. What is the density of the rock?
Tuesday, January 10, 2017 by Emma

Science
A force of 400 N gives a mass (m1) an acceleration of 2 m/s^2. The same force gives another mass (m2) an acceleration of 13 m/s^2. What acceleration will this same force give if m1 and m2 are fastened together?
Tuesday, January 10, 2017 by L

Science
What's pyramid of biomass?
Tuesday, January 10, 2017 by Anonymous

Science!
Which of the following correctly identifies active transport? (1 point) Transport proteins move large molecules from areas of low concentration to areas of high concentration using cellular energy. Transport proteins move large molecules from areas of low concentration to ...
Tuesday, January 10, 2017 by Agala

Physical science
the crest of wave A has an amplitude of 5 cm. the trough of wave B has an amplitude of 2 cm. if the crest of wave A combines with the trough of wave B,what will be the amplitude of the resulting wave? will the waves form a crest or a trough when they combine?
Tuesday, January 10, 2017 by Victoria

Inter Agric Science
Explain the effect of carbonation, hydrotion,hydrlosis and oxidation
Tuesday, January 10, 2017 by Daniel

Science
In your own words, can you describe one way which rocks formed on Mount Moran?
Tuesday, January 10, 2017 by Cindy

science
define protozoans
Tuesday, January 10, 2017 by manisha

why do we fall ill- science
what ae the fators responsible for reduving immunity
Tuesday, January 10, 2017 by manisha

science- sound class 9th
what is relation between frequency and time period
Tuesday, January 10, 2017 by manisha

science- sound class 9th
aditi clapped her hands near a cliff and heard the echo after 4 seconds. what is the distance of cliff from her if the speed of sound is taken as 346ms-1
Tuesday, January 10, 2017 by manisha

Math; science ;English; hindi; S.S
Construct a triangle in which BC=5.2 AB-AC=1.2cm and B=60° Also write the construction
Tuesday, January 10, 2017 by Kartik

Math science etc
Construct a triangle in which BC=5.2 AB-AC=1.2cm and B=60° Also write the construction
Tuesday, January 10, 2017 by Anonymous

Science, Chemistry
A 1050.0 mL solution of NaOH is neutralized by 0.25 L of 2.00M Nitric Acid using Bromothymol Blue as an indicator. The concentration of the NaOH solution is 0.48M. True or False
Monday, January 9, 2017 by Anonymous

math
The weight of 2 science fiction books and 1 autobiography is 5/6w pounds. What is the total weight of 4 of these science fiction books and 2 of these autobiographies?
Monday, January 9, 2017 by Anonymous

science
Draw a diagram that represents vector AB + BC =vector 3RD
Monday, January 9, 2017 by Ankit

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Homework Help: Computers