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December 24, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

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Science
There are two forces acting on a box of golf balls, F1 and F2. The mass of the box is 0.750 kg. When the forces act in the same direction, they cause an acceleration of 0.450 m/s2. When they oppose one another, the box accelerates at 0.240 m/s2 in the direction of F2. (a) What...
Thursday, November 6, 2014 at 9:32am

Science, Physics
A 800kg safe is 2.3m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses it 52cm.What is the spring constant of the spring?
Wednesday, November 5, 2014 at 11:08pm

Science
Effects of insecticide on aquatic animals?
Wednesday, November 5, 2014 at 9:57pm

Physics Science
How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C? so its setup like (20*1.00)*(90-50)+(20*1.00)*(90-50) = 1600g?
Wednesday, November 5, 2014 at 9:16pm

Physics Science
How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C?
Wednesday, November 5, 2014 at 5:56pm

Physics Science
Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F
Wednesday, November 5, 2014 at 4:59pm

science
what is the similarity of renewable and inexhaustible resource?
Wednesday, November 5, 2014 at 4:47pm

Science -- Ms. Sue, please help?
14. The energy role of the first organism in a food chain is always a(n) ___________. 15.Water is a(n) __________ factor in all ecosystems that all living things require. 16.___________bacteria carry out the conversion of gaseous nitrogen to a biologically useful form of ...
Wednesday, November 5, 2014 at 3:53pm

science, chemistry
OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH solution. (3). Methyl ...
Wednesday, November 5, 2014 at 12:53pm

Chemistry
Cs(s)+H2O(l)→ ? i thought it was H2+CsOH but the computer says that's wrong.
Wednesday, November 5, 2014 at 12:38pm

Science
In an atom, electrons ____. a. are located in the nucleus b. travel outside the nucleus c. are paired with neutrons d. are always in the same place in an atom
Wednesday, November 5, 2014 at 11:30am

Science
brain central nervous system human being nerve tissue neurons Organize the parts of this body system in the CORRECT order according to the levels of organization in a multicellular organism, simplest to most complex..
Wednesday, November 5, 2014 at 11:04am

science
which of these is an one of aluminum?
Wednesday, November 5, 2014 at 9:11am

Science
Choose if this relationship is Predation, Competition, Commensalism, Mutualism, Parasitism, Producer/Consumer The egret is a bird that follows herds of cattle in order to catch and eats infects that are stirred up as the cattle move around. What type of relationship exists ...
Tuesday, November 4, 2014 at 6:27pm

Science
Choose if this relationship is Predation, Competition, Commensalism, Mutualism, Parasitism, Producer/Consumer This tomato hornworm is covered with cocoons depositied by wasps. The alrvae of the waspa will feed on the worm and eventually cause its death. What type of ...
Tuesday, November 4, 2014 at 6:26pm

Science
Zoysia is a type of grass. It uses lighjt energy to make food. Grasshoppers feed upon zoysia for energy. What type of relationshipe xists between zoysia and grasshoppers? Is it Mutualism? Mutualism is when both organisms benefit
Tuesday, November 4, 2014 at 6:25pm

Science
Choose if this relationship is Predation, Competition, Commensalism, Mutualism, Parasitism, Producer/Consumer Relationship 1 : This bee is feeding on the nectar from this flower while at the same time collecting polent o transfer to different flower. What is the relationship ...
Tuesday, November 4, 2014 at 6:24pm

Science Physics
How many Btu of heat must be added to 1200 lb of copper to raise its temperature from 100°F to 450°F -specific heat for copper is 0.092-
Tuesday, November 4, 2014 at 6:06pm

Science (How Do I Do This?)
A car skids to a stop at a traffic light, leaving behind a 8.25m skid mark as it comes to a rest. Assuming that the car is travelling at 14.5m/s and only the friction from the tires on the roadway stop the vehicle. Find the coefficient of friction
Tuesday, November 4, 2014 at 5:47pm

Urgent Science Question!
A 921kg sports car is moving rightward with a speed of 29.0m/s. The driver suddenly slams on the brakes, causing a 8347N resistive net force and the car skids to a stop. Determine the time it takes to stop the car.
Tuesday, November 4, 2014 at 5:29pm

Science Question
Richard has to move a 45.5kg couch in order to vacuum behind it. He is able to push against it with a force of 85.3N. He does unfortunately have to work against friction, but thankfully the coefficient of friction is very small 0.082 since it is on pads and a hard wood floor. ...
Tuesday, November 4, 2014 at 11:00am

Science
Susie decides to pull on a 1.5kg toy (horizontally) with a force of 25N. Friction acts against the toy with a force of 6n. What is the acceleration of the toy?
Tuesday, November 4, 2014 at 9:36am

computer literacy
____________ is an application program included with Windows that allows the contents of the computer, the hierarchy of folders on the computer, and the files and folders in each folder to be viewed.
Tuesday, November 4, 2014 at 6:22am

Social Science
Essay on "The Arabs made Islam one of the most powerful force in Asia". Please help ASAP.
Tuesday, November 4, 2014 at 6:12am

science
Using the systematic method and information in the Appendices F and J (note that log value is given in Appendix J), determine [SCN-], [Hg2+], and [HgSCN+] at equilibrium when Hg(SCN)2(s) is dissolved in water.
Tuesday, November 4, 2014 at 12:45am

Science
How many grams of CH3SH must be added to water to prepare 410mL of a solution that is 2.5 M CH3SH?
Tuesday, November 4, 2014 at 12:42am

Science
what is the concentration (M) of a MgCl2 solution prepared by dissolving 7.2 g of MgCl2 in sufficient water to give 362 mL of solution?
Tuesday, November 4, 2014 at 12:40am

Science
How many grams of H2SO4 are in 125 mL of a 3.00 M solution of H2SO4?
Tuesday, November 4, 2014 at 12:27am

Science Physics
How many Btu of heat must be added to 1200 lb of copper to raise its temperature from 100°F to 450°F
Monday, November 3, 2014 at 5:58pm

science
Jay is going to school. To reach the school, Jay need to go 3km going north. Then, he will head to the east at a distance 7km, then 3km going south and 2km going east. 1. Find the distance 2. Find the displacement
Monday, November 3, 2014 at 5:47pm

Science Physics
A lifeguard swims with her head just above the water. What is the volume of the submerged part of her body if she weighs 600 N? Would I need to divide by 9800 or 62.4?
Monday, November 3, 2014 at 4:15pm

SCIENCE
4. Convert to centimeters: 6.8 meters A. 6,800 centimeters B. 68 centimeters C. 68,000 centimeters D. 680 centimeters 5. What is the difference between a theory and an opinion? A. A theory is supported by scientific evidence, while an opinion is not. B. An opinion is supported...
Monday, November 3, 2014 at 1:50pm

science
Calculate the PRP, PRF, PD, DF, SPL, wavelength, period, and Axial Resolution if a 2 cycle pulse emitted from a 10 MHz transducer if the echo time received was 0.26 ms in soft tissue. Part II - Using the information above: 1. If the PRF decreases what happens the DF? 2. If ...
Monday, November 3, 2014 at 1:36pm

science
car doing 60 mph skide for 52.3 mts what is the speed at end of skid
Monday, November 3, 2014 at 12:43pm

physical science check asap
1. Tommy performed an experiment to test the solubility of sodium chloride in water. After he completed his experiment, he discovered that he had a few unused grams of NaCl leftover in a beaker. What should he do with the excess NaCl? A. Pour the excess back into the original ...
Monday, November 3, 2014 at 12:20pm

physical science
1. Tommy performed an experiment to test the solubility of sodium chloride in water. After he completed his experiment, he discovered that he had a few unused grams of NaCl leftover in a beaker. What should he do with the excess NaCl? A. Pour the excess back into the original...
Monday, November 3, 2014 at 11:50am

Sampling
What stratification variable(s) would you use for each of the following situations: a An e-mail survey of students at your university to estimate the total amount of money student spend on textbooks in a term b A sample of high schools in New York City to estimate what ...
Monday, November 3, 2014 at 11:32am

science
Jay is going to school. To reach the school, Jay need to go 3km going north. Then, he will head to the east at a distance 7km, then 3km going south and 2km going east. 1. Find the distance 2. Find the displacement
Monday, November 3, 2014 at 10:21am

Science
A uniform beam has a weight of 500N(acting at the centre of the beam). It also carries a point load of 1,2kN at the centre of the left half of the beam, and a point load of 820N at distance of one eighth of the beam's lenght from the right hand side. The support are at the...
Monday, November 3, 2014 at 10:16am

science
Jani is planning to go to Jojo's house, Jani has to walk 30m going east. Then, he will head to the north at a distance of 40 meters. Afterwards, he will walk 70m going west. 1. Determine the total distance travelled by Jani's. 2. Calculate Jani's displacement. 3. ...
Monday, November 3, 2014 at 10:11am

science
A non-electronic conductor is
Monday, November 3, 2014 at 9:48am

science
Which of the mineral does not contain oxygen?
Monday, November 3, 2014 at 9:46am

science
The best example of polyembryony is
Monday, November 3, 2014 at 9:44am

science
Which of these waves can be polarized ?
Monday, November 3, 2014 at 9:43am

science
If a wire of resistance R is melted and recast to half of its length then the new resistance of the wire will be
Monday, November 3, 2014 at 9:39am

Science
"What amount of Barium hydroxide is needed to neutralize 500 kg of 18 molar Sulphuric acid?"
Sunday, November 2, 2014 at 11:29pm

Computer Science / programming
Show the contents of each register and or memory location used after each instruction. MOV BH,33 BH=33 MOV [0500],BH BH=33, [0500]=33 MOV CL,66 CL=66 MOV [050],CL CL=66, [050]=66 MOV SI,0500 SI=0500 MOV BX,7643 BX=7643 ADD [SI],BX SI=0500, [0500]=76 ,[501]=DC INT 20
Sunday, November 2, 2014 at 9:36pm

Computer Science/ programming
How long (how many bytes) is the machine code (object code)? 1855:0100 BE0002 MOV SI,0200 1855:1030 BF0003 MOV DI,0300 1855:0106 B98000 MOV CX,0080 1855:0109 BA04 MOV AL,[SI] 1855:010B 8805 MOV DI],AL 1855:010D 46 INC SI 1855:010E 46 INC SI 1855:010F 47 INC DI 1855:0110 49 DEC...
Sunday, November 2, 2014 at 9:24pm

science
This year for my science fair project I will be testing to see if music affects a person's blood pressure. I will have a participant get relaxed (for 5 minutes). After he/she is relaxed, I will take his/her blood pressure with a digital sphygmomanometer (instrument used to...
Sunday, November 2, 2014 at 5:49pm

science
This year for my science fair project I will be testing to see if music affects a person's blood pressure. I will have a participant get relaxed (for 5 minutes). After he/she is relaxed, I will take his/her blood pressure with a digital sphygmomanometer (instrument used to...
Sunday, November 2, 2014 at 5:36pm

Science
demonstrate how the ear works
Sunday, November 2, 2014 at 4:37pm

science
how many grams of CO2 (g) are there in 82.0ml of the gas at 0.916 atm and 30 degrees ceksius
Sunday, November 2, 2014 at 1:25pm

science
I want to know whic n2 and co2 rms become same?
Sunday, November 2, 2014 at 6:06am

computer programing
You are to write a short C program. The program will input two numbers: 1) number of miles to ship a package, 2) and the weight of the package You are to computer the price to ship the package. The formula is as follows. If the weight of the package is <= 10 pound this the ...
Saturday, November 1, 2014 at 9:34pm

physical science
A gold bar has a mass of 250 grams and is heated from 25 degrees Celsius to 55 degrees Celsius. How much heat did the gold bar absorb? The specific heat of gold is 0.13J/g*degrees C.
Saturday, November 1, 2014 at 2:35pm

science
magnesium oxide reacts with phosphoric, H3PO4 TO PRODUCE MAGNESIUM PHOSPHATE AND WATER. HOW MANY GRAMS OF MAGNESIUM OXIDE ARE REQUIRED TO REACT COMPLETELY WITH 33.5G OF PHOSPORIC ACID?
Saturday, November 1, 2014 at 1:44pm

computer
program in c++ to convert fahrenheit into centigrade
Saturday, November 1, 2014 at 11:09am

science
what is scorpius
Saturday, November 1, 2014 at 11:03am

Science
What is the term use to study the satellite television instruction experiment?
Saturday, November 1, 2014 at 8:17am

Science
What is chemic bonding?
Friday, October 31, 2014 at 1:05pm

Science Physics
A flat-bottom river barge is 30.0 ft wide, 85.0 ft long, and 15.0 ft deep. (a) How many ft3 of water will it displace while the top stays 3.00 ft above the water? (b) What load in tons will the barge contain under these conditions if the empty barge weighs 160 tons in dry dock?
Friday, October 31, 2014 at 12:28pm

venn diagram
venn diagram solving for 3 students likes geography physics science 75 likes only one subject 65 likes exactly two 15 like all three.1)how many students in a class 2)how many students like atleast one 3)how many students like only physics 4)how many students like only ...
Friday, October 31, 2014 at 3:21am

6th grade science
we had this question on a test the measure of the amount of SPACE occupied by an object is its: weight mass area volume I put volume and it was marked wrong. The teacher said it was mass. I looked it up and still think I am correct, can you tell me which is correct? Thanks
Thursday, October 30, 2014 at 8:22pm

science
Consider the compound cobalt (II) chloride hexahydrate (CoCl2·6H2O), how many waters of crystallization are present in this compound?
Thursday, October 30, 2014 at 8:10pm

science
what is the parts of a lily flower?
Thursday, October 30, 2014 at 6:00pm

Science asap!
Which of the following is not a process that forms metallic ore? placer deposits fossil compaction hydrothermal solutions igneous processes 5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial mineral? sulfur ...
Thursday, October 30, 2014 at 5:53pm

SCIENCE
20. A horticulturist wants to plant that produces flowers with a certain size color and fragrance but is not aware of any one plant having all of these traits. The quickest way she could achieve her goal would be to apply the process of .
Thursday, October 30, 2014 at 4:21pm

Science - Please Check Some Answers 1
Please help me with the following: A science class tested ways to clean water after an oil spill. Each group of students was given 100 mL of vegetable oil, 100 mL of engine oil, and 800 mL of water in a rectangular plastic container. Each container also held five floating ...
Thursday, October 30, 2014 at 3:04pm

science
Over time,a plant pollinated by a hummingbird has developed very long, tube like flowers.Why might the flower have adapted in this way?
Thursday, October 30, 2014 at 2:32pm

Science
What is the product of NaC2O4 and Ag+? A. NaC2O4 and Ag+ do not form a product. B. AgNaC2O4 C. Ag2C2O4****** I think the right answer is C...please let me know.
Thursday, October 30, 2014 at 10:38am

Science
What is the centripetal force on a vehicle rounding a circular curve with a radius of 80m at a constant speed of 90 km/h if the vehicles mass is 2,000 kg? (Hint: first express the velocity in meters per second) A: 20,250 N B: 703 N C: 625 N D: 15,625 N
Thursday, October 30, 2014 at 10:13am

Science
I was asked to give topic for science fair. Basically I want to have improvement in transportation. Please give me some ideas. Is there any area in transportation that is also having disadvantages means which area need to be improved so that it causes less problems to (...
Thursday, October 30, 2014 at 8:21am

science
3. One calorie is the energy required to raise one gram of water one degree Celsius. Since we use the joule as the standard measurement of energy, 1 calorie = 4.184 J. If a pot is placed on the stove with 2.4 liters of water at a temperature of 27°C, how many joules are ...
Thursday, October 30, 2014 at 2:13am

science
Fragment of Roman Gladiator leather harness. Radiocarbon date is 2100. What is the corrected age?
Thursday, October 30, 2014 at 12:34am

SCIENCE
The length of the platform is 1.5m and width is 0.750m,load acting on the platform is 150kg then what is the bottom support length and angle of it.
Wednesday, October 29, 2014 at 11:14pm

Science
What is the molarity (moles per liter) of a solution in which 80 grams of sodium hydroxide, NaOH, is dissolved in 1 liter of solution? How do I convert the 80grams into mols?
Wednesday, October 29, 2014 at 9:30pm

Science 1 easy question!!!!
Is a gazelle the closer to a camel or lioness on a cladogram? I think camel
Wednesday, October 29, 2014 at 9:09pm

Science
How is potential and kinetic energy measured?
Wednesday, October 29, 2014 at 5:39pm

Physical science
Think Critically. The mechanical advantage of a machine is less than one. Compare the distances over which the input and output forces are applied.
Wednesday, October 29, 2014 at 5:21pm

science
How do I do the following? Write the net ionic equation for the following molecular equation. 3 CoCl2(aq) + 2 Na3PO4(aq) Co3(PO4)2(s) + 6 NaCl(aq)
Wednesday, October 29, 2014 at 5:17pm

Science - Please Check My Written Answer
Please help me with the following: Briefly explain why experiments having faulty design or inconsistent data are problems for scientists. List several reasons. There are several reasons that experiments with faulty designs or with inconsistent data are problematic for ...
Wednesday, October 29, 2014 at 5:00pm

Science
Think about the factors that will influence the evolution of humans in the future. Name one factor that would exert influence through the process of natural selection and one factor that would exert influence through artificial selection. 1.natural selection: genetic ...
Wednesday, October 29, 2014 at 4:23pm

science
Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
Wednesday, October 29, 2014 at 4:19pm

science
the 6 term of a G.P is 2000 its common ratio is 10 find the first term?
Wednesday, October 29, 2014 at 4:18pm

Science
Did hippos evolve from whales or did whales evolve from hippos?
Wednesday, October 29, 2014 at 3:46pm

Science
When evolution was first proposed, which of the following was used as evidence to support the idea? 1.observations of nature 2.laboratory experiments 3.extensive fossil collections 4.genetic sequences I think its either 1 or 4
Wednesday, October 29, 2014 at 3:04pm

Science
Calculate the Volum ( In3 units) of a .740 lb object which has a densitiy of 1.326g/cm3 1 lb = 454 g 1 in = 2.54 cm
Wednesday, October 29, 2014 at 2:43pm

earth science
Which of the following statement is False: A.Cinder cones are built from ejected lava fragments and are usually less than 300 meters high B.Calderas are large collapsed depressions having more or less circular form C.Most volcanoes are fed magma through short conduits called ...
Wednesday, October 29, 2014 at 11:41am

Science
An object travles 10 m in 0.07s what is its speed?
Wednesday, October 29, 2014 at 9:17am

geography,maths literacy,life science,agriculture
What kinds of jobs for my subjects
Wednesday, October 29, 2014 at 2:26am

Science
Where does a clone recieve is DNA from? My guess is two parents
Tuesday, October 28, 2014 at 7:54pm

Science
How might genetically engineered crops help people in hash climates?
Tuesday, October 28, 2014 at 7:41pm

Science please help!!
To determine the atomic mass of an element, you would take a _________ average of the isotopes that make up that element
Tuesday, October 28, 2014 at 7:11pm

English
What do you have to do afer school? 1. I have to go to my academy and study hard until 11 p.m.. 2. I have to go to an academy to study math, English and science. 3. I have to go to the academy to study 5 subjects. 4. I have to wash clothes in the washing machine. 5. I have to ...
Tuesday, October 28, 2014 at 4:20pm

Science
According to the continental drift theory, which of the following land regions should show the greatest similarities in fossil types? (1 point) A) east coast of South America and west coast of Africa B) east coast of South and west coast of South America C) northern coast of ...
Tuesday, October 28, 2014 at 1:22pm

science
how did the discovery of the electron change the atomic model? A.it disproved the earlier idea of an indivisible atom. B. it confirmed that atoms are very tiny. C.it exposed fradulent experiments conducted by unqualified scientists. D. it proved that atoms are easier to see ...
Tuesday, October 28, 2014 at 12:18pm

computer science
I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a single,double, or ...
Tuesday, October 28, 2014 at 7:56am

Social Science
I am confused, what is the difference between basic tribunal and war crime tribunal. Thank You
Monday, October 27, 2014 at 10:31pm

Science 10
Need examples of food for Chemistry Reactions 1. Synthesis 2. Decomposition 3.Single Replacement 3. Double Replacement So for synthesis ( A + B --> AB ) I did, Macaroni + Cheese --> Mac n Cheese For Decomposition ( AB --> A + B ) I did, Dough --> Wheat + Water ...
Monday, October 27, 2014 at 8:49pm

Computer Programming
Create the flowchart and algorithm for a module that will prompt the user to enter the amount of cash they have in their pocket. The program should output “Not Enough” ($0 - $0.64), “Vending Machine” ($0.65 - $1.99), “Fast Food” ($2.00 - $4.99...
Monday, October 27, 2014 at 8:25pm

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