Tuesday
May 5, 2015

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Math/Science
How do you convert millimeters to micrometers? For 10 mm, I got .010 micrometers, but I'm not sure if that's right.
Wednesday, March 25, 2015 at 5:08pm

Science The Human Body PLEASE HELP!!!!!!!!!!!
the human endocrine system is made up of which of the following structures? (1 point) vessels receptors* glands chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood to ...
Wednesday, March 25, 2015 at 4:54pm

Comprehensive Science
When an electric current is passed through water during the process of electrolysis, two gases are formed. One gas has a boiling point of -183°C and the other has a boiling point of -253°C. Has a physical change or a chemical change occurred? Explain. My answer: I ...
Wednesday, March 25, 2015 at 1:50pm

math,Computer
Let A and B be two data lists. Concatenation of the list A and another list B is defined to be equal to B, if A is null; and is defined to be equal to concatenation of head of A with the concatenation of tail of A and B, otherwise (where head of A is the first element of A, ...
Wednesday, March 25, 2015 at 7:23am

Physical science
which liquid evaporates fastest between water , ethanol , nail polish remover and methylated spirits
Wednesday, March 25, 2015 at 7:17am

science
how does amavasya and pournami occur.
Wednesday, March 25, 2015 at 4:27am

science
A bird flying west at 35m/s dives south at 35m/s. Did the bird’s velocity change, if so how?
Tuesday, March 24, 2015 at 10:31pm

Science
How can I find the potential difference? It's a parallel circuit. R1, R2 and R3 is 0.3 and the current is 8.0. Is the volts 8.8?
Tuesday, March 24, 2015 at 9:09pm

science
what is electrical deduction?
Tuesday, March 24, 2015 at 9:07pm

Science
Describe the life cycle of a parasite that relies on its host for part of its reproductive cycle. human and mosquito???
Tuesday, March 24, 2015 at 8:56pm

Science
1. Air masses that form over land would be mostly A. Warm B. Cold C. Dry* D. Wet 2. Air masses that form over oceans or seas would be mostly A. Warm* B. Cold C. Dry D. Wet 3. Air masses that form over northern locations would be mostly A. Warm B. Cold* C. Dry D. Wet 4. Air ...
Tuesday, March 24, 2015 at 8:49pm

Science
Describe the life cycle of a parasite that relies on its host for part of its reproductive cycle. I was thinking a mosquito and human but i don't know how to describe it.
Tuesday, March 24, 2015 at 8:23pm

Science
london england is approximately 51° north latitude 0° longitude. binghamton new york is about 42° north latitude 76° west longitude why does binghamton have colder winters?
Tuesday, March 24, 2015 at 6:31pm

Physical Science
I have no idea how to do this, and I'm not sure what the formula is. Here's my question: In space, there is almost no air, so there is virtually no friction. If an astronaut throws a ball in space with an initial velocity of 3.0 meters per second to the west, what ...
Tuesday, March 24, 2015 at 3:58pm

Science
A 2000 kg car is rolling at 3 m/s. You would like to stop the car by firing a 10 kg blob of sticky clay at it. How fast should you fire the clay? How much energy is required to accelerate the clay to this speed?
Tuesday, March 24, 2015 at 10:41am

science
a person rolled a large ball across a field. What information is needed t determine how much work the person did?
Tuesday, March 24, 2015 at 7:45am

Science
How does Science impact you? I said that it prepares you for a career in the medical field,gains knowledge... can you help me find 3 better reasons???
Monday, March 23, 2015 at 9:25pm

Physical science
An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronaut's mass is 100kg. He takes a 1kg "safety weight" and shoves it away in exactly the direction of his motion at a speed of 6m/s. at what speed does the ...
Monday, March 23, 2015 at 8:41pm

English
1. Playing computer games in not good for your health. You may have some problems on your eyes. (Do we have to use 'on' or 'in' before 'eyes'?) 2. The boy is planting a tree. He is adding some soil around the tree. 3. The boys are playing soccer in the ...
Monday, March 23, 2015 at 8:27pm

Science
Which has a greater total resistance, a series circuit or a parallel circuit and why? I know i have repeated this question again, but I need someone to help me..
Monday, March 23, 2015 at 7:40pm

Science Check Please Dr.Bob222
I am sorry would..Hopefully this would make it easier 1. Your ____ is your first line of defense against pathogens. brain heart large intestine skin * 2. Blood vessels help regulate your body's temperature. When it's cold, your blood vessels ____ to decrease blood flow...
Monday, March 23, 2015 at 7:24pm

science asap
1) How do decomposers increase the fertility of soil? A) By storing moisture in the soil. B) By breaking down and digesting the remains of dead organisms. C) By making spaces for air and water. D) By burrowing deep below topsoil. I am thinking is is either B or D, but I do not...
Monday, March 23, 2015 at 7:13pm

science
If I fire three arrows at 20 degrees, 40 degrees and 60 degrees, which arrow will go the farthest?
Monday, March 23, 2015 at 7:11pm

science
1) How do decomposers increase the fertility of soil? A) By storing moisture in the soil. B) By breaking down and digesting the remains of dead organisms. C) By making spaces for air and water. D) By burrowing deep below topsoil. I am thinking is is either B or D, but I do not...
Monday, March 23, 2015 at 6:45pm

Science
he current atomic model would be revised if A. better microscopes were being used to study its structure. B.better microscopes are invented in the future. C. new information about an atom's structure is discovered. D. a new element is discovered in the future I thiink it is C
Monday, March 23, 2015 at 6:18pm

Science
Which has a greater total resistance, a series circuit or a parallel circuit and why?
Monday, March 23, 2015 at 6:08pm

Science grade 8
Which chemical equation is balanced? 1. H20 H 2 + 20 2 2. 2H20 2H2 +0 2 3. 2H20 H2 + 20 2 4. H2O 2H2 + 20 2 Im super confused... But I think its 4?? Im probably wrong so please help?!?!
Monday, March 23, 2015 at 6:03pm

Earth science
What kind of front sometimes spawns tornadoes between an advancing cold and dry air mass and a warm moist air mass? 1) cold 3) stationary 2) warm 4) occluded
Monday, March 23, 2015 at 5:37pm

Science Check Please
1. Your ____ is your first line of defense against pathogens. brain heart large intestine skin 2. Blood vessels help regulate your body's temperature. When it's cold, your blood vessels ____ to decrease blood flow and retain heat. boil constrict cool down expand 3. The...
Monday, March 23, 2015 at 10:15am

English
Do you eat a lot of fast food? - Yes, I do. - It's not good for your health. What do you have to do? -I'd better not eat a lot of fast food. -------------------------------------- Do you play computer games too much? - Yes, I do. - It not desirable because you have to ...
Sunday, March 22, 2015 at 10:22pm

science
based on the masses of CaCl2 and Na3PO4 you determined from the periodic table, what mass combining ratio would you predict?
Sunday, March 22, 2015 at 8:54pm

Science ( No Bad Post)
1. A muscle that does its job without your thinking about it is called a _______ muscle. An example is the _______. (1 point) cardiac; bicep skeletal; blood vessels smooth; bladder none of these 2. The body's muscles, bones, and joints work together like a ...
Sunday, March 22, 2015 at 8:43pm

Science Help
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 7:29pm

Science Please
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 6:59pm

Science Please
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 6:51pm

Earth science
13 of the19 lives lost you to the Wichita Andover tornado were at the mobile home park in Andover. Even though there was some advanced warning what could explain the relatively high death toll at this location?
Sunday, March 22, 2015 at 5:06pm

Science
13 of the19 lives lost you to the Wichita Andover tornado were at the mobile home park in Andover. Even though there was some advanced warning what could explain the relatively high death toll at this location?
Sunday, March 22, 2015 at 2:43pm

Science
One troy ounce of gold is worth $380. There are 33.8 grams per troy ounce. You have a stock colloidal solution of a very fine gold dust. Its concentration is .1% w/v. from this solution, 1 ml is placed in 9 ml of an isotonic, pH buffered solution to make a working stock. An ...
Sunday, March 22, 2015 at 11:35am

science
1.why is freshwater a limited resource? a)because most water on earth is in lakes** b)because most water on earth is in clouds c)because most water on earth is in the ground d)because most water on earth is salt water
Sunday, March 22, 2015 at 12:24am

science
5.At 3:15 one afternoon, the temperature over the land reaches its highest value for the day — about 89°F. The temperature over the adjacent water is about 72°F. What would the expected weather conditions be at this time? A. Cloudy skies and a sea breeze B. Clear ...
Saturday, March 21, 2015 at 9:26pm

science
At 3:15 one afternoon, the temperature over the land reaches its highest value for the day — about 89°F. The temperature over the adjacent water is about 72°F. What would the expected weather conditions be at this time? A. Cloudy skies and a sea breeze B. Clear ...
Saturday, March 21, 2015 at 7:50pm

computer code
Create a Flowchart and pseudocode. Create a class whose main method creates three arrays. The first array will contain five kinds of flowers - petunia, pansy, rose, violet, and carnation. The second array will contain the cost of each flower, respectively, 50 cents, 75 cents...
Saturday, March 21, 2015 at 7:01pm

science
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to find when the ...
Saturday, March 21, 2015 at 6:58pm

science
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to find when the ...
Saturday, March 21, 2015 at 6:06pm

science
The two systems shown below are identical except for the rod connecting the two beakers. Initially the temperatures of the beakers are as follows: Beaker A = 88°C Beaker B = 42°C Beaker C = 88°C Beaker D = 42°C Four minutes later the temperatures are as follows...
Saturday, March 21, 2015 at 4:34pm

science
Two insulated beakers contain different amounts of identical liquids. Beaker A contains twice as much liquid as Beaker B. The temperature of Beaker A is 80°C. The temperature of Beaker B is 40°C. An aluminum rod connects the beakers, and the system is left alone for ...
Saturday, March 21, 2015 at 4:31pm

science
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 85°C. The temperature of Beaker B is 40°C. A metal rod connects the beakers. Five minutes later, the temperature of Beaker A is 75°C and the temperature of Beaker B...
Saturday, March 21, 2015 at 4:26pm

life science,business studies,tourism and maths literacy
What can I become with this subjects?
Saturday, March 21, 2015 at 4:25pm

science
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to find when the ...
Saturday, March 21, 2015 at 4:24pm

life science,tourism,business studies,maths literacy
What can I become with this subjects?
Saturday, March 21, 2015 at 4:17pm

Economics
China's slowdown Jan 20th 2015, 10:26 by S.R. | SHANGHAI MUCH of the analysis of China’s 2014 GDP data, which the government published today, has focused on the economy’s slowdown That is, on one level, understandable. Growth of 7.4% was China’s weakest in ...
Saturday, March 21, 2015 at 3:07pm

Science
I answered the questions, but I don't know if my choices are right. 1) Which of the following is an acidic pH? 6 7 8 800 None of the Above Answer: 6 ------------------------------------- 2) Which of the following is directly produced by photosynthesis? Glucose and oxygen ...
Saturday, March 21, 2015 at 2:10pm

science chemistry
Calculate the relative atomic mass of Limestone CaCo3 Methanol CH3oH Sulphric acid Ca(No3)2. (Ca=40.1,C=12,O=16,H=1,S=32).
Saturday, March 21, 2015 at 8:18am

Genetics (science)
Please answer my science question (in detail if possible) Q: in rats the gene for black hair colour is dominant over the gene for brown hair colour. Draw a plunnet square and use it to predict the fractions of both the genotypes and phenotypes produced when two heterozygous ...
Saturday, March 21, 2015 at 2:15am

Science
hi could you please help with the following question: In humans, free ear lobes is dominant to attached ear lobes. A male who is pure breeding for free ear lobes marries a woman who is pure breeding for attached ear lobes. What type of ear lobes will the children. (Including a...
Saturday, March 21, 2015 at 2:10am

science
Which statement is true regarding nuclear energy
Friday, March 20, 2015 at 9:24pm

Science
A switch is closed, a lamp turns on. The switch opened, and the lamp turns off. What does that suppose to mean..?
Friday, March 20, 2015 at 8:56pm

Science!
1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 ...
Friday, March 20, 2015 at 8:37pm

Science
A parallel connection of several lamps in a home allow you to control each lamp independently with switches. How is this possible?
Friday, March 20, 2015 at 7:46pm

science
I'm doing a lab for Le Chatelier's Principle. I'm concerned that all my answers sound very similar. Can someone help me and let me know if my answers are making sense? ~Thanks 1.) How is the reaction Zn(OH)2 <=> Zn^+2 + 2OH- affected by adding OH- I think ...
Friday, March 20, 2015 at 5:34pm

Science
A liquid solution of formaldehyde is 37% pure. This solution has a specific gravity of 1.037. The molecular weight of formaldehyde is 30.0. To 1.00 ml of this impure stock solution is added quantity sufficient total the total volume to 500 ml. If 1.00 ml of this solution is ...
Friday, March 20, 2015 at 12:56pm

Science, Physics
Concave mirrors can be used as for shaving or applying make up. The face must be inside the focus. You hold a concave mirror, with a focal length of 40 cm, about 30 cm from your face. Where is your image located? How much bigger than your face is the image?
Thursday, March 19, 2015 at 6:16pm

science
7th Grade Sarah heated two cubes of aluminum to 50oC. Cube A has a volume of four cubic centimeters. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true?
Thursday, March 19, 2015 at 3:20pm

food science
A sample of grain in a bin is at 80.6 degrees F. The vapor pressure of water in the bin is 17.09 mm Hg. Assuming that the grain is well mixed, is the grain in danger of fungal growth and mycotoxin production?
Thursday, March 19, 2015 at 10:41am

Science
1. Which type of weather technology often carries cameras that can make images of Earth's surface, clouds, and snow cover? A. weather balloon B. weather satellite**** C. computer D. automated weather station 2. Why are weather forecasts more reliable now compared to ...
Thursday, March 19, 2015 at 10:33am

environmental science
what are the two main factors that determine where organisms live?
Thursday, March 19, 2015 at 10:24am

science
Are there any websites that explain Mendelian genetics and show how to solve such problems in an easy, concise manner at an AP Bio level? Thank you
Wednesday, March 18, 2015 at 11:27pm

Science
When is allergy season? Is it during the Spring?
Wednesday, March 18, 2015 at 9:21pm

Science
what is the distance above Earth's surface?
Wednesday, March 18, 2015 at 9:00pm

Science
the energy an object has due to it's motion is called a what?
Wednesday, March 18, 2015 at 8:07pm

science- punnet square
If both parents have freckles but one of their children do not have freckles (ff). What are the geno types of the parents? Use the punnet square to help you. so since the child doesn't have freckles the geno type of the parents must be mother Ff and father Ff F f F FF Ff f...
Wednesday, March 18, 2015 at 7:28pm

Science
Explain the process of filtering blood
Wednesday, March 18, 2015 at 6:36pm

science
Which of these compounds would you expect to have the highest melting point: C2H6,CL2,AsCL3, BaBr2? Explain your answer
Wednesday, March 18, 2015 at 4:21pm

science
Calculate the concentration of all species in a 0.145M solution of H2CO3
Wednesday, March 18, 2015 at 3:41pm

Science
What is a good experiment that shows light traveling in straight line until it hits a new medium?
Wednesday, March 18, 2015 at 1:02pm

science
steak
Wednesday, March 18, 2015 at 1:00am

Physical Science
3. What is the cracking and reforming? For what purposes are either or both used by the petroleum industry?
Tuesday, March 17, 2015 at 10:28pm

Acrostic Poem Science!!
Sodium!! S- O- D- I- U- M-
Tuesday, March 17, 2015 at 7:03pm

Science
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is most likely A)from group 17 B)from group 1 C)from group 15 D)a noble gas Mrs. Sue Is it C?
Tuesday, March 17, 2015 at 6:50pm

Science
Which is most likely to be part of an ionic bond? A. An atom with no valence electrons B. An atom with one valence electron C. An atom with two valence electrons D. An atom with three valence electrons I think it is B.
Tuesday, March 17, 2015 at 6:31pm

Science
Which of the following is a pure substance? A. Chocolate milk B. Orange Juice C. Seawater D. hydrogen peroxide (h202) is the answer C.
Tuesday, March 17, 2015 at 5:59pm

Education
What is the most appropriate reason for having learning centers in the science classroom?
Tuesday, March 17, 2015 at 5:05pm

science
In which of the following statement the word light year is used correctly? (A) Ceres dwarf galaxy is 2.46 million lightyear away from us.(B) light travels with the speed of 1 lightyear in the universe (c) the next complete solar eclipse will be seen after 32 light year. (D) ...
Monday, March 16, 2015 at 11:01pm

Math 7th grade
Geraldo bought some computer software on layaway. He paid $12 down and must make a payment of $5 each week for 4 weeks. How much will Geraldo pay in all?
Monday, March 16, 2015 at 7:54pm

computer applications
John wants to see the formulas he has used in his spreadsheet but he does not want to see the results of the formulas. How does he display his formulas? A. Click on Trace Precedents. B. Click Print Formulas. C. Click on Show Formulas. D. Click Evaluate Formulas from reading my...
Monday, March 16, 2015 at 7:29pm

Science
What kind of substance has properties that reflects light very well, warms up in my hand, flattens out when it hits with a hammer and conducts electricity?
Monday, March 16, 2015 at 6:40pm

science
you are given a 1kg trolley and a trolley of unknown mass.explain how the mass of unknown . Explain how the mass of the known trolley can be determined if a mass-meter scale is not available
Monday, March 16, 2015 at 5:21pm

Science
A horizontal force of 24 N is being applied to a box on a level surface. The box is accelerating at the rate of2280889against a frictional force of 14 N. What is the mass of the box?
Monday, March 16, 2015 at 4:11pm

Science
What is a four-cell battery with the cells connected in series with each other? How would it look like?
Monday, March 16, 2015 at 1:47pm

science help
a 2500kg car moves at 15m/s 2; 15m/s2 is the __________ of the car
Monday, March 16, 2015 at 12:32pm

Science
When a football is kicked into the air, it has a velocity of 32m/s at an angle of 25º. At the very top of the ball’s path, what is it's vertical velocity?
Monday, March 16, 2015 at 9:53am

Statistics
The time it takes a technician to fix a computer problem is exponentially distributed with a mean of 15 minutes. what is the probability that a). it will take a technician less than 10 minutes to fix a computer problem? b) it will take a technician between 10 to 15 minutes to ...
Sunday, March 15, 2015 at 11:42pm

science
air masses that form over land are moist true or false
Sunday, March 15, 2015 at 4:47pm

Science Help
A projectile is launched at 15 degrees and it's landing height is the same as the launch position. If this is true, then at what other angle can the projectile be launch to achieve the same horizontal displacement?
Sunday, March 15, 2015 at 1:35pm

science
Describe what happens to the electricity produced at 25kV by a power station when its transmitted to a house at 230 V many miles away.
Sunday, March 15, 2015 at 12:23pm

Science
A dicot seed is preferred over a monocot seed to observe seed structure because? a.Distinct embryonic axis or b.Proper sepration of cotyldeons
Sunday, March 15, 2015 at 9:17am

science
What is the mass of air in a room meauring 30 cubic meters if the density of air is 1.3kg per cubic meter?
Sunday, March 15, 2015 at 2:19am

computer studies
Explain modelling molecules..please?
Sunday, March 15, 2015 at 2:15am

English Grammer
Please Help Check My Answers. 1. *****A. "The leaves," she explained, "can be anywhere from two to eight inches long." B. Nan said, "It can also have dark or light green leaves". C. "Also," she added. "the leaves' edges can be ...
Saturday, March 14, 2015 at 10:16pm

Science
fus = 12.5 and vap = 93.2 both j/k x mol Determine the entropy change when 7.30 mol of HCL(g) condenses at atmospheric pressure. my first answer was -91.3 but it keeps telling me that is incorrect and that delta Svap if scaled at 1.00 mol but needs to be scaled to 7.30 mol ...
Saturday, March 14, 2015 at 5:10pm

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Homework Help: Computers

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