Saturday
December 3, 2016

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Science (galaxies and universe)
Studying distant galaxies is described as looking back into the past. What does this mean? (use terms light year, distance, and time in your answer)
Sunday, November 13, 2016 by KINA

Science
Why is the surface of the Moon full of pockmarked craters? a) It has little weathering to erode them. b) Due to meteorites landing on them
Sunday, November 13, 2016 by Chimingbell

Science-please help
What makes the moon rise? a)Alignment of the stars 2) Earth's rotation 3) Moon orbits about the Earth Is the answer (2)?
Sunday, November 13, 2016 by Chimingbell

Science
Why do Hydrogen atoms form only single bonds with other atoms and not double or triple bonds like Carbon atoms?
Sunday, November 13, 2016 by Alice Keign

Science
Why are the water molecule bonds at an angle and not straight like the CO2?
Sunday, November 13, 2016 by Alice Keign

6th grade science PLEASE HELP DOING THIS RIGHT NOW
why are capillaries and not arteries or viens not found in alveoli,nephrones,and villi A.vessels must be small so that very little blood enters these tissues B.vessle must be narrow so that very smal moluculescan reach these tissues C.vessls must be light wieght so that way ...
Sunday, November 13, 2016 by krystina

Science
Electric bulb is Marked 60 watts 120 volt what is the resistance of filament of bulb
Sunday, November 13, 2016 by Sunny

science
a 0.5kgball falls into a heap of sand from a height of 10m above the sand. it comes to rest 2.5m beneath the surface of sand. what is the average force exerted by sand on the ball.
Sunday, November 13, 2016 by Raveen

science
Sodium react with chlorine to form sodium chloride a substance used in all households 1.Household name of sodium chloride
Sunday, November 13, 2016 by sbonga

Science
Can resultant magnitude of two vectors be smaller than the magnitude of either vector?
Saturday, November 12, 2016 by Aashna Chapagain

science
Who is the father of computer?
Saturday, November 12, 2016 by Anonymous

science
what is the animal that can sleep by his backbone in the world?
Saturday, November 12, 2016 by teferi olana

Science
In many country celcius scales are used give reasons
Saturday, November 12, 2016 by Anonymous

computer
A square with each side 70 long.
Saturday, November 12, 2016 by yashdeep

Physical Science
A 68.4-g sample of potassium chloride was added to 200.0 g of water at 20 C. Is the solution saturated, unsaturated, or supersaturated?
Saturday, November 12, 2016 by Steve

Physical Science
When iron metal reacts with oxygen, the reaction can form Fe203. The balanced chemical equation I think is right is 4 Fe + 302----2Fe203. So I have 4 moles of iron + 3 moles of oxygen creates 2 moles of iron oxide. I need to find the number of moles of oxygen that are needed ...
Friday, November 11, 2016 by Steve

science..
Define ‘Change in entropy’ and define ‘Clausius inequality’ for irreversible and reversible process. Ple help me
Friday, November 11, 2016 by aboddu

intergrated science
A car traveling at a velocity of 24m/s is accelerated uniformly at a rate of 2m/s^2 for 8 seconds. What is the final velocity?
Friday, November 11, 2016 by Cora Stallins

Science
4. Which of the following statements is true? A. Biodiversity provides additional resources that raise the carrying capacity of an ecosystem B. Biodiversity increases an ecosystems ability to withstand changes C. Biodiversity makes an ecosystem more difficult to destroy D. ...
Friday, November 11, 2016 by Embershy

Science
1. An organism's particular role in its habitat, or when and how it survives, is called its A. Carrying capacity B. Ecosystem C. Competition D. Niche*** 2. Which of the following is an example of a predator adaption? A. A lion's pheromones B. A shark powerful jaws*** C...
Friday, November 11, 2016 by Embershy

Science
If 48 gram solute is present in 500 ml H2O2 solution,what will be its strength by volume and % w/v respectively?
Friday, November 11, 2016 by Palak

Science
If 48 gram solute is present in 500 ml H2O2 solution,what will be its strength by volume and % w/v respectively?
Friday, November 11, 2016 by Anonymous

Science
I really need help on this project. I am not asking for all of the answers, I just need someone to explain what I should do for this experiment. And how to make a data table. Directions: 1. Design an experiment to support the hypothesis that light travels in straight lines ...
Friday, November 11, 2016 by Melinda May

Science
An aeroplane of mass 5000 kg is flying at an altitude of 3 km. If the area of wings is 50 m^2 and pressure at the lower surface of wings is 60000 PA,the pressure on the upper surface of wings is
Friday, November 11, 2016 by Jaideep

science
a body of mass 10kg is moved in a vertical circle calculate tangential acceleration
Friday, November 11, 2016 by annie

Physical Science
Materials: Epsom salts (MgSO4), ammonia (NH4OH) small jar or cup measuring cup Procedures 1. Dissolve 1 teaspoon of Epsom salts in a half cup of water. 2. Add 2 teaspoons of ammonia to the Epsom salts solution and stir thoroughly. Record your observations. 3. Allow the mixture...
Friday, November 11, 2016 by Steve

Science-Cells
I'm doing a lab report, and we are looking at an onion cell under a microscope. The teacher asks to explain why we put iodine on the sell. (ANSWER)= Cleaning it ?
Thursday, November 10, 2016 by I need Help Now

Science-Cells
What are the main parts of a plant cell? Cell membrane , Nucleus , Vacuole, Mitochondrion? Did I miss anything ? thanks.
Thursday, November 10, 2016 by I need Help Now

Science
Question 1- how does a multicellular organism develop? A- the cells differentiate. B- The cells shrink. C- One cell grows bigger. D- The cells replicate to form exact copies. <<<<
Thursday, November 10, 2016 by PLS HELP QUICK DONT HAVE TIME

science
does to skeletal system send signals to yuor brain
Thursday, November 10, 2016 by krystina

Physics science
A 10 ohm, 20 ohm lamp and 12v battery are connected in a parallel. A current of 1.8 A passes through the battery and a current of 1.2 A passes through the motor. 1) Determine the current through the lamp. 2) Calculate the potential difference across the motor. 3) is this the ...
Thursday, November 10, 2016 by Tina

Science
A small rock with a mass of 6g is dropped into a graduated cylinder with 20ml of water. The water rises to 23ml. What is the density of the rock?
Thursday, November 10, 2016 by CW

Science
How are a mold and a cast related?
Thursday, November 10, 2016 by SCIENCE HELP

Science
In a tennis match the player hits the ball to serve the ball travels 24m from the servers raquet to the opponents Raquet at an average speed of 40 meters per second.calculate the time taken
Thursday, November 10, 2016 by Alex

science
Explain which is more ionic NaF or LiF
Thursday, November 10, 2016 by Anonymous

Science
Why are the water molecule bonds at an angle and not straight like the CO2?
Thursday, November 10, 2016 by Alice Keign

science
Pluto has a shape that is nearly round, and it orbits the Sun. It has five known moons. Why is it called a dwarf planet and not a planet?
Thursday, November 10, 2016 by renee

Science
Unit 3 Test Multiple Choice Please select the correct response for the following questions. 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. ...
Thursday, November 10, 2016 by Becky

Science
Which is the molarity of a solution containing 20 g of CH3 OH in 300 mL of solution
Thursday, November 10, 2016 by Victor

Physical science
A 100.0g sample of water at 20.0C is heated to steam at 125.0c.how many heat was absorbed?
Thursday, November 10, 2016 by William J Yelorbah

Science
An object of mass 50 kg moves with a speed of 10m/s. Calculate the kinetic energy of the object?
Wednesday, November 9, 2016 by ChaynikA

Science - Electrochemistry
In an experiment 0.0500 M AgNO3 was used to titrate 20 mL of 0.12 M NaCl solution. When silver electrode is used together with the pH electrode to measure potential at each point during the titration, the potential measured at equivalence point is 0.055 V. Unfortunately, a ...
Wednesday, November 9, 2016 by Sarah Lee

Science
Explain where the sun and planets are located in relation to one another.
Wednesday, November 9, 2016 by Anonymous

Science
A 75kg guy base jumped from a cliff in Norway. A 100N air resistance force acted on him. What was his downward net force before pulling the parachute?
Wednesday, November 9, 2016 by Anoymous

Science
Why are the water molecule bonds at an angle and not straight like the CO2?
Wednesday, November 9, 2016 by Alice Keign

Natural science
Why are the coldest temperatures at the lowest 50 km height from the surface of the Earth, occur generally at tropical tropopause?
Wednesday, November 9, 2016 by steve

computer science
what are the advantages and disadvantages if bitmap graphics? I really need help ASAP
Wednesday, November 9, 2016 by lassy

science
a bullet is shot from a springfield rifle with a speed of 3,015 ft/s. assuming the bullet moved at a constant velocity, what is the time required for the bullet to strike a target 4,146 meters away
Wednesday, November 9, 2016 by chris

MATH
I can't figure out some of them, and I need help! m - 7 < 6 1. m< -13 ** 2. m< 1 3. m< -1 4. m< 13 n - 8 > 5 1. n> 13** 2. n> 3 3. n> -3 4. n> -13 p + 5 < 10 1. p < -15** 2. p < 5 3. p < 15 4. p < -5 The science class is taking...
Wednesday, November 9, 2016 by HELPPPPPPPPPP

science
when two equal forces of f1 and f2 making an angle of 180 degree with each other the magnitude of their resultant is ................?
Wednesday, November 9, 2016 by sahar

Science
Four resistance each of 8 ohm are connected to a square. The resistance between any two diagonally opposite terminals will be ?
Wednesday, November 9, 2016 by Vanie

science
How is sun related to nuclear, electromagnetic, and heat energy?
Tuesday, November 8, 2016 by hello

Science
Four students dissolved 30g of salt in a 200ml solution of water.Each student heated his or her water solution to a different temperature ( Marcus had 10 and tyra had 25 Luis had 50 and Andrew had 75) which student most likely had the solution with the fastest dissolving rate ...
Tuesday, November 8, 2016 by Kate

Science
2Na(s) + 2H2O(aq) = 2NaOH (aq) + H2 (g) Is this reaction exothermic or endothermic? I don't understand ,
Tuesday, November 8, 2016 by Briaah

Physical Science
How much Cerium sulfate is needed to make a saturated solution in 100mL of water at 30 degrees Celsius?
Tuesday, November 8, 2016 by Mal

Science
•Explain the process of succession •Describe how changes in an ecosystem can affect organisms that live there •Describe the amount of time needed for ecosystem recovery What are the dependent and independent variables? Independent: Dependent:
Tuesday, November 8, 2016 by Embershy

Science
Which of the following correctly identifies active transport? A. Transport proteins move large molecules from areas of low. B. Transport proteins move large molecules from areas of low concentration areas of high concentration areas without the use of cellular energy. C.Small ...
Tuesday, November 8, 2016 by Ive

science
What is the volume of chlorine that is used to produce 292 grams of hydrogen chloride?
Tuesday, November 8, 2016 by lauren

Science PLEASE PLEASE HELP
Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature Saltwater does not freeze at any temperature Saltwaters freezing point depends on the temperature of the ocean floor***** PLEASE HELP ME
Tuesday, November 8, 2016 by ovais

science
Write about entropy and entropy generation in daily life P help me..
Tuesday, November 8, 2016 by aboddu

Science HELP PLS
1. What is a Genetic Mutation? A. the process of decreasing chromosome numbers to half of what the parent cell has B. the copying of DNA to form identical daughter cells C. a permanent change in an organism’s genetic code D. a fusion of egg and sperm cell to produce a new...
Tuesday, November 8, 2016 by Jia

science
if a block of mass 2kg slides on an inclined plane making an angle of 60° with the horizontal.Then find work done by force of gravity
Tuesday, November 8, 2016 by AYUSH

Computer science
Working solution for specimen paper 2015 9608 for task 2
Tuesday, November 8, 2016 by Anita

Science
If 300gm water of 25°c is added into 100gm ice of 0°c then calculate the final value if this mixture.
Tuesday, November 8, 2016 by Mice

physical science
4.8g of magnesium react was completely burned in oxygen and magnesiumoxide was produced. what is the mass of magnesium produced?
Tuesday, November 8, 2016 by Ruben Amwenyo

Earth Science
Assume that the lower troposphere is isothermal with a temperature TA. An airparcel at the surfaceis heated isobarically to a temperature of T0 and then released and allowed to ascend dryadiabatically. Assume that the buoyancy is the only force acting on the parcel and that ...
Tuesday, November 8, 2016 by Angela

Science
1. What type of reproduction results in offspring being identical to the parent? A)sexual reproduction B)genetic engineering C) unicellular D)asexual reproduction 2. Which of the following is an example of sexual reproduction? A)a lizard growing a new tail B)a chicken laying ...
Monday, November 7, 2016 by Hayden

Science
Which of the following circuits will allow electric current to flow?
Monday, November 7, 2016 by Judith

science
What happens to kinetic energy of a snowball as it rolls across the lawn and gains mass
Monday, November 7, 2016 by Anonymous

Weird question science
which of these body systems performs the function of getting rid of chemical waste? a. immune b.nervous c.skeletal d.uninary d?
Monday, November 7, 2016 by softball lover

Financial Math
You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state you pay nothing until the 12 months are over. When you receive the bill, you forget to pay it and are assessed a late fee of $39.00...
Monday, November 7, 2016 by Naphratite

science
acrostic about motion
Monday, November 7, 2016 by Anonymous

Science
A metal from group 1 and a nonmetal from group 17 are? A. Not likely to bond. B. Likely to form a covalent bond. C. Likely to form an ionic bond.*** D. Likely to form a metalloid. Is this correct?
Monday, November 7, 2016 by Sam

Science
Every year, Eli and his family visit the Great Sand Dunes desert in Colorado. Eli notices that more sand dunes with varied shapes and sizes appear each year. Explain what causes this phenomenon. Plz answer thoroughly and detailed and DO NOT use Wikki.
Monday, November 7, 2016 by Agala

computer
write a program that accepts & displays the pricing of 10 different items from a suppermarket
Monday, November 7, 2016 by maigua

science
Kirti kept a metal spoon in a glass jar filled with pickle for a few days. She observed there were holes in the spoon. What could be the reason?
Monday, November 7, 2016 by Manavi

Science
Consider the diatomic molecule Na2. For simplicity let the basis set consist of the orbitals: and . In the molecule the overlap integral between the 3s orbitals is 0.45. Answer the following questions using the orbital energies determined using the Revised Slater’s Rules...
Sunday, November 6, 2016 by Soso

Science
Which two systems work with the muscular systems to allow the body to move
Sunday, November 6, 2016 by Brana

College Alg
The probability P, as a percent, that a certain computer keyboard in a public library will last more than t years can be approximated by P = 100e^?1.2t. After how many years will the probability of keyboard failure be 76%? Round to the nearest tenth.
Sunday, November 6, 2016 by Dale

Earth Science
1. The water cycle is the _____. A. distribution of drinking water on Earth ?**? B. unending circulation of Earth's water supply ?**? C. the recycling of water after industrial use ?**? D. the evaporation of water from Earth's surface ?**? 2. Plants release water into ...
Sunday, November 6, 2016 by PleaseHelpMe777

science
one way the modern atomic model differs from the bohr model of an atom
Sunday, November 6, 2016 by Haylie

Life Science 7
What is a good way to remember Golgi Apparatus, vesicles, vacuole,and nuclear envelope
Sunday, November 6, 2016 by Jeo

math
In an examination,Dada scored x% in maths,50% in science and 70% in English studies.if his mean score for the three subject was 55%, find x
Sunday, November 6, 2016 by victoria

science
fical lengt of concave mirror =50cm m=1÷2 cm .find the position of the object
Sunday, November 6, 2016 by parag

Science
Explain why n2h4 acts as bronsted lowry base but n20 does not
Sunday, November 6, 2016 by Amelia

Science
Which organ is NOT part of the Digestive System??
Sunday, November 6, 2016 by KillerGirl143

Earth Science
1.) What is the relationship between temperature and the rate at which antacid tablets react with water? 2.) Form a hypothesis about the relationship between temperature and the rate of chemical weathering. 3.) Would a limestone building weather more rapidly in Homer, Alaska, ...
Saturday, November 5, 2016 by PleaseHelpMe777

science
Particles of mass 3m and 5m hang one at each end of a light inextensible string which passes over a pulley.the system is released from rest with the hanging parts taut and vertical.during the subsequent motion the resultant force exerted by the string on the pulley is of ...
Saturday, November 5, 2016 by nishat

science
0.150 L of 0.420 M H2SO4 is mixed with 0.100 L of 0.270 M KOH. What concentration of sulfuric acid remains after neutralization?
Friday, November 4, 2016 by sadie

Science
How many grams of sugar are needed to make a saturated solution of sugar in 100g of water at 20 degrees Celsius?
Friday, November 4, 2016 by Jay

science
a stone is thrown at an angle of 30* with the horizontal direction which strikes the tip of the building 2 m height ,if the distance of the building from the point of observation is 10 metre .find the velocity of the projectile of the stone. ans...
Friday, November 4, 2016 by nirmal kumar

science
a stone is thrown at an angle of 30* with the horizontal direction which strikes the tip of the building 2 m height ,if the distance of the building from the point of observation is 10 metre .find the velocity of the projectile of the stone.
Friday, November 4, 2016 by nirmal kumar

Math
Pedro spent 2 1/5 hours on his math himework and half as lomg on his science homework one weekend. If his english and social studies homework took 7/8 as long, how much time did he spent on homework that weekend?
Friday, November 4, 2016 by Anthony

Algebra
During a science experiment, Nico created a 32%alcohol solution by mixing 8 fluid ounces of a 50% alcohol solution with a certain amount of an 8% alcohol solution. How many fluid ounces of the 32% alcohol solution did he create?
Friday, November 4, 2016 by Jj

Science
0.745 g of kcl disloved in 100 ml of water,then molarity?
Friday, November 4, 2016 by Sonu

Science
A stone projected vertically upwards with a velocity of 20m/s. Two seconds later, a second stone is similarly projected with the same velocity. When the two stones meet, the second one is rising at a velocity of 10m/s. Neglecting air resistance, calculate the (i) lenght of ...
Thursday, November 3, 2016 by Nifes

Science
Is red hair mutated?
Thursday, November 3, 2016 by Emma hughes

science
what do mangroves ecosystem provide for organisms
Thursday, November 3, 2016 by Taylor

Science
A community obtains electricity from a coal plant. This coal plant produces pollution that has caused environmental problems in the lakes, streams, and forests within the community. What kind of secondary pollution has the coal plant most likely produced, and what kinds of ...
Thursday, November 3, 2016 by Solara

spaniiiiisssshhh
1. With what materials are most houses in Mérida built? A. wood and plaster B. stone and concrete blocks C. wrought iron 2. Which of the following is the correct Spanish word for "bed"? A. la cama B. el closet C. el dormitorio 3. What is not true about modern ...
Thursday, November 3, 2016 by YunoGasai

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Homework Help: Computers