Monday
April 27, 2015

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Science
2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer. (I think I solved this correctly ...
Monday, March 9, 2015 at 8:47pm

science
1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of elements are related to ductility. :...
Monday, March 9, 2015 at 6:05pm

Science
How do i start of my flow chart? It's about generating electricity
Monday, March 9, 2015 at 5:51pm

Geological Science
What is Groundwater Mining? Explain giving an example of ground water mining in the United States.
Monday, March 9, 2015 at 3:50pm

Science
Zn + 2HCl - ZnCl2 + H2 Assuming the acid was in excess (so all of the zinc reacts), how many mols of hydrogen would you produce?
Monday, March 9, 2015 at 1:30pm

Science
The Periodic Table 1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of elements are related to ...
Monday, March 9, 2015 at 12:16pm

Science
Can any one please please help me with popcorn experiment homework? The materials and 1 pack of Orville and 1 movie theater popcorn and let say the timing for both were 4.5 minutes. 1- what is the variables would you need to keep constant(control) in you experiment? Please ...
Monday, March 9, 2015 at 11:22am

physics for physical science
A stone thrown vertically upwards with a speed of 12m/s from the edge of Cliff 70m high. Calculate the time the stone takes to hit the bottom of the cliff.
Monday, March 9, 2015 at 6:58am

SCIENCE
WHAT MASS IN GRAMS OF OXYGEN GAS IS CONTAINED IN C 8.5L TANK AT 32 DEGREE CELSIUS AND 3.23 ATMOSPHERE
Monday, March 9, 2015 at 5:38am

COMPUTER
what is scanning
Monday, March 9, 2015 at 4:15am

science
What molecule found in the cell membrane serves as a communication molecule as well as involved in active transport?
Sunday, March 8, 2015 at 7:32pm

learning skills
A natural way to reinforce science process skills and introduces the scientific method. This strategy, especially appropriate for primary grades, is to have children do which of the following? A. Begin a collection B. Manipulate objects C. Observe D. Go on field trips my ...
Sunday, March 8, 2015 at 6:27pm

learning skills
According to the text, why should teachers of young children share science activities with parents? A. Everybody should know the facts of science. B. Parents want to learn science. C. Science relates to all aspects of a child's life. D. Parents are their children's ...
Sunday, March 8, 2015 at 6:23pm

5th grade Science
A plastic boat has a mass of 3600g and a volume of 1200cm cubed; what is the density? I figured out the answer to this first ? is 3g/cm cubed I need help with Does the boat float in water? Why or Why not?
Sunday, March 8, 2015 at 5:43pm

Math Ms.Sue
1 Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a one-hour lunch break ...
Sunday, March 8, 2015 at 5:01pm

Math Help From Anybody
1 Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a one-hour lunch break...
Sunday, March 8, 2015 at 1:51pm

mathematics,physics,life science,LO,afrikaans
A number of circles are given and the area of the smallest circles is 4π.The area of the next circle is 9/4 times of the previous circle.if there are 6 circles,determine the length of the diameter of the last circle.
Sunday, March 8, 2015 at 11:46am

Physical science
Two rectangular blocks are stacked on a table. The upper block has a mass of m2 and the lower mass is m1 > m2. The coefficient of kinetic friction between the lower block and the table is ųk. The coefficient of static friction between the two blocks is ųk. A ...
Sunday, March 8, 2015 at 7:55am

Science
When the energy of a light wave is transferred to a particle and causes it to vibrate and generate heat the energy of the light wave is A. Absorbed B. Reflected C. Refracted D. Transmitted Is the answer A? Thank you
Saturday, March 7, 2015 at 8:02pm

science
A construction worker is using his weight to keep a stationary stack of wooden beams from falling. If the construction worker uses 689.0 N of force to hold 10 beams stationary against a wall, how much work does he do? (1 point) 0 J 0.0150 J 68.9 J 6,890 J is it a. someone help me
Saturday, March 7, 2015 at 2:25pm

Computer Science
For this task you will create a program that prints out a user-specified string. Then, on the next line, it prints out the string again, all except the last character. It continues printing the string with one less character on each line, until the last line has only the first...
Saturday, March 7, 2015 at 2:02pm

Maths literacy,life science,physical science,consu
what career I can follow with this subjects?
Saturday, March 7, 2015 at 1:16pm

Maths literacy,life science,physical science,consu
what careers I can follow with this subjects?
Saturday, March 7, 2015 at 1:08pm

Science
When a positively charged object moves in the same direction as the electric field, the electric potential energy A. becomes zero B. Decreases C. stays the same D. Increases.
Saturday, March 7, 2015 at 12:05pm

math
A retailer planned to buy some computers form a wholesaler for a total of shilling 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shilling 4,000. This reduction in price enabled the retailer to buy five more computers using the same ...
Saturday, March 7, 2015 at 12:38am

SCIENCE
How many calories of heat do you need if you want to raise the temperature of 310 g of gasoline from 17.0°C to 24.0°C? Specific heat of gasoline is 0.40 cal/g·°C.
Friday, March 6, 2015 at 11:03pm

science
Why don’t all species have the same phenotypes that make the invasive species successful?
Friday, March 6, 2015 at 8:31pm

science 1 question
hi, this is one question in a test, i might post more. in the heart blood flows from the right atrium to the right ventricle where it is pumped to the...? What? I'm pretty sure this is easy, i'm just stumped-_-
Friday, March 6, 2015 at 6:32pm

Science
How does one substance become positively and other other negatively? It's about static electricity. I know when you rub two objects together, one will become positive and the other will become negative but how? Does it lose electrons..?
Friday, March 6, 2015 at 5:45pm

Science
A particular ecosystem in Georgia can support a maximum population of 100 blubirds. Which of the following would allow 120 bluebirds to live together in this ecosystem? -human activity disrupting the nesting habits of a preditor hawk -flooding that decrease the local insects ...
Friday, March 6, 2015 at 4:19pm

science
if the alleles are Bb then it would be tall right ( B is tall little b is short.)
Friday, March 6, 2015 at 1:53pm

Science
Suppose the total momentum of two masses before a collision is 100 kg m/s. What is the total momentum of the two masses after they collide? A. 0 kg m/s B. 50 kg m/s C. 100 kg m/s D. 200 kg m/s
Friday, March 6, 2015 at 12:48pm

Life science
Who can tell me more about reproduction in plants( ovipary ,ovivipary ,vivipary)
Friday, March 6, 2015 at 10:41am

science
differece between lizard and snakes
Friday, March 6, 2015 at 3:31am

computer programming
Write a fortran program to compute the geometric information for a kite. The program should read the a, c and p lengths and compute the q length
Thursday, March 5, 2015 at 11:19pm

Science
Henri bacquerels original hypothesis was that florescent minerals became excited by solar energy and gave off X-rays. However, after he discovered uranium minerals emitted their own radiation without the help of solar energy, he abandoned his hypothesis. Why did, Bacquerel ...
Thursday, March 5, 2015 at 9:43pm

Science
When Marie Curie isolated uranium from pitchblende, she realized that the pitchblende was more radioactive than the uranium she had extracted. What did she conclude about her observations? A. Pitchblende itself is a radioactive element. B. The pitchblende sample contained an ...
Thursday, March 5, 2015 at 9:06pm

Science
What was henri Becquerel studying when he accidetally discoverd radioactivity? A. Photography B. Properties of black light. C. Porperties of X-rays. D. Solar energy. I believe the answer is C. Thank you
Thursday, March 5, 2015 at 8:36pm

using skills
Which is inappropriate as a section of the parent newsletter? A. Suggestions for supportive home activities B. The problems of individual children C. Special field trips and other special activities D. Math and science units that are currently being experienced my answer is b.
Thursday, March 5, 2015 at 6:23pm

using skills
Assignment 33 discusses a natural way to reinforce science process skills and introduces the scientific method. This strategy, especially appropriate for primary grades, is to have children do which of the following? A. Begin a collection B. Manipulate objects C. Observe D. Go...
Thursday, March 5, 2015 at 4:48pm

Science
Which of the following is the smallest conceivable amount of time that could pass between a lunar eclipse and a solar eclipse? a. about 14 days* b. about 28 days c. about 183 days d. about 365 days
Thursday, March 5, 2015 at 4:04pm

using skills
According to the text, why should teachers of young children share science activities with parents? A. Everybody should know the facts of science. B. Parents want to learn science. C. Science relates to all aspects of a child's life. D. Parents are their children's ...
Thursday, March 5, 2015 at 2:47pm

science
Which of the following illustrates mechanical weathering? A. Carbonic acid weathers marble limestone B.As plants grow, they produce weak acids that slowly dissolve rock C.Oxidation causes weathering in rock D.Repeated freezing and thawing in rocks causes weathering Is the ...
Thursday, March 5, 2015 at 2:39pm

Science
according to ohm's law, what is the resistance of light bulb if the applied voltage is 21.0V and the current is 3.0 amps a 24 ohms b 7.0 ohms**** c 18 ohms d 3.0 ohms a student studying a circuit diagram of a light bulb, battery and a switch correctly identifies it as a ...
Thursday, March 5, 2015 at 12:58pm

using skills
Which earth science lesson is especially appropriate for the primary grades? A. Moon B. Volcanoes C. Stars D. Weather my answer is d.
Thursday, March 5, 2015 at 11:41am

Science
A generator transforms A. Potential energy into kinetic energy B. mechanical energy into electrical energy***** C. Magnetic energy into electrical energy D. Friction into electrical energy Electrical charges that are different A. Attracts each other**** B. repel each other C. ...
Wednesday, March 4, 2015 at 11:11pm

Science
does water evaporating take away or add heat to the wet bulb?
Wednesday, March 4, 2015 at 10:51pm

Physical science
i push a 500n box up an inclined plane that is 4 m long and 1.2 m high. what force is applied to push the box up the ramp?
Wednesday, March 4, 2015 at 8:24pm

science
Measuring the speed of light thru gelatin using a laser
Wednesday, March 4, 2015 at 3:42pm

Science 8th Grade
Items of clothing rub against each other when they are in a clothes dryer. This can sometimes cause a person to feel a slight shock when he or she removes the clothes from the dryer. This is due to A. The dryer not being grounded B. Static Electricity **** C. Current caused by...
Wednesday, March 4, 2015 at 2:44pm

Science
The density of ocean water depends on the depth because pressure compresses the water. If the density of ocean water at a depth of 10,000 m is 1.071 g/mL and if 25.0 g of water at that depth contains 190 mg of potassium chloride, what is the molar concentration of potassium ...
Wednesday, March 4, 2015 at 2:01pm

Science
an aquatic plant known as elodea is shown in the image below. If you observe Elodea leaves over a period of several minutes, you see bubbles forming on the leaf surface that eventually break away and rise to the surface of the water. These bubbles form as a result of ...
Wednesday, March 4, 2015 at 1:31pm

Science
What will the sound of speed be in air if temp is 10 degrees Celsius.this is crickets looking for e plantation on equation
Wednesday, March 4, 2015 at 12:18pm

science
1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces destructive forces gravitational forces inertia-related forces 3. ...
Wednesday, March 4, 2015 at 9:41am

science
a ball falls on a horizontal from a height h,if the coefficient of restitution be e,find the distance before it will stop
Wednesday, March 4, 2015 at 12:45am

7th grade science
how much work is done on an object with 25 kg on earth if it moves 13m? i really need help
Tuesday, March 3, 2015 at 11:17pm

Science
What is another example of a gas in your classroom? I know air would be one but I can't think of what would be another one present in a classroom. Thanks...
Tuesday, March 3, 2015 at 9:05pm

computer
how to use a google fusion table
Tuesday, March 3, 2015 at 8:54pm

Science 8th Grade
1. How Will resistance change when the voltage increases in an electrical circuit if the current remains constant A. It will decrease **** B. It will stay the same C. It will increase D. It will decrease, then increase
Tuesday, March 3, 2015 at 6:17pm

Earth Science
What color will a star be with a surface temperature of 5000–6000 K? A. blue B. yellow C. white my choice is B yellow
Tuesday, March 3, 2015 at 6:00pm

Science
Human Body & Disease Practice 1) Which of the following effects would you expect if red blood cells were shaped like neurons? :They would not be able to move as easily through capillaries.*** :They would more easily carry out gas exchange in the alveoli. :They would not need ...
Tuesday, March 3, 2015 at 5:26pm

Science
Name and explain in detail four organizations or agencies that work to address human violations
Tuesday, March 3, 2015 at 4:17pm

Earth Science
Which of the following is NOT generally associated with a thunderstorm? A. tornado B. lightning C. dry air
Tuesday, March 3, 2015 at 2:54pm

american Literature check answers
How were the Dark Romantics different from the Transcendentalists? They explored the darker sides of the human soul. They revered reason over intuition or imagination. They believed in the innocence of all people. They disregarded any spiritual side of nature. A Emerson ...
Tuesday, March 3, 2015 at 12:23pm

physical science
A stone of 8 kg mass falls from the top of an 80 m-high building. Find the velocity of the stone when it reaches the ground
Tuesday, March 3, 2015 at 9:59am

science
what are four kinds of speed
Monday, March 2, 2015 at 11:39pm

Science
A neutralization reaction between an acid and a base produced the salt Na2CO3. What acid and what base participated in this reaction? ---------------- Sorry about just asking without showing work or anything, but I don't really get the concept of this and how I should go ...
Monday, March 2, 2015 at 9:39pm

Science // Chemistry
How many grams of KOH are needed to make 1.00L of a 1.3 molar (1.3 M) solution? ------------------ I am not sure how to start this question, my teacher wants us to use conversion factors and write it out but I don't get how I am supposed to start it.
Monday, March 2, 2015 at 8:42pm

Science
What is the mass in grams of 24.32 moles of CaCO3? So far I got: 24.32mol CaCO3 x 100.09gCaCO3 / 1mol CaCO3 = I am not sure if this is correct, because I got a really big number and I feel like I am missing something in the question.
Monday, March 2, 2015 at 8:03pm

Science
What are the classification of a Emerald Rock?
Monday, March 2, 2015 at 7:39pm

Science
.100 KG of an unknown metal at 94°C is placed in 100 g of water at 10°C the final temperature of the metal and water are at 70°C what is the heat capacity of the unknown metal
Monday, March 2, 2015 at 5:13pm

Science
A piece of copper at 90°C is added 2.200 KG of water at 15°C inside an aluminum calorimeter that has a mass of .100 KG the final temperature of the copper water and calorimeter is 25°C what is the mass of the copper piece
Monday, March 2, 2015 at 5:12pm

Science
.100 KG piece of metal is heated to 480°C and then quickly place in .250 KG of water at 20°C which is contained in a .200 KG aluminum calorimeter the final temperature of the water metal and calorimeter is 36°C what is the specific heat to Capacity of the metal piece
Monday, March 2, 2015 at 5:11pm

Science for ms. Sue
If you were to walk towards a Van der Graaf generator, the effect of its electric field would get weaker as you got closer to it. A.True B.False I think it is A
Monday, March 2, 2015 at 4:50pm

math
A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more computers using the same ...
Monday, March 2, 2015 at 4:23pm

Physical science
What is apparent weightlessness?
Monday, March 2, 2015 at 4:22pm

science
Part I: Units of Measurement for Gas Laws For the following questions, use the following answer choices to indicate what each unit of measurement is used to measure (pressure, volume, or temperature). 1. atm 2. kPa 3. L 4. oC 5. torr 6. K 7. mL 8. cubic centimeters (cm3) ...
Monday, March 2, 2015 at 4:19pm

Physical science
The diameter of the planet saturn is 10 times that of the earth but the mass of the planet is only 90 times greater than that of the earth.what isthe gravitational acceleration(or number of 'gs'you"ll feel)on saturn?
Monday, March 2, 2015 at 3:18pm

Science
The Women's Movement Quiz 1) In the 1800s, there was a wave of religious fervor known as the... :Religious Right. :Second Great Awakening.*** :Religious Awakening. :Revival Times. 2) What movement called for drinking little or no alcohol? :Transcendentalist. :Utopia ...
Monday, March 2, 2015 at 2:50pm

science
I need help checking my answers. the * stands for my answer some of them im not sure about my orginal answer for 2 was b but I changed it to a. 1. which of the following planets is considered a rocky, or terrestrial, planet? venus neptune saturn uranus * 2. which of the ...
Monday, March 2, 2015 at 1:43pm

science
A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction
Monday, March 2, 2015 at 1:24pm

Earth Science
Which of the following organisms is most likely to survive? A. the top carnivore in a food chain B. a herbivore in a food chain C. the top carnivore in a food web
Monday, March 2, 2015 at 10:21am

To "WOK..."
Please put your School Subject in the School Subject box (Examples: math, science, algebra, geography). When all you put is one letter, most tutors are not inclined to open your post since you are not following instructions.
Monday, March 2, 2015 at 8:59am

please assist me with science
1.a car moves at a constant velocity up an inclined plane angle of 28 degrees with the horizontal.The coefficient of friction is 0.387. The force exerted by the engine on the car is 588N... A.Calculate the of the car? B. Frictional force acting on the car
Monday, March 2, 2015 at 8:43am

science
1 . A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction
Monday, March 2, 2015 at 8:29am

Environmental Science
Over the past 20 years in the United States, nuclear power production?
Monday, March 2, 2015 at 2:11am

Science
One light bulb in a string of lights goes out this causes all other lights in string to go out. This is example of A. Resistor B. parallel circuit C. Closed circuit***** D. Series circuit When a switch is turned from the off to the on position it is changing the circuit in ...
Sunday, March 1, 2015 at 11:29pm

science
a particle 100g attach with a horizontal spring moving s.h.m.with amplitude 5cm .when this particle is passes through mid point a small particle placed on it then both moving s.h.m.with amplitude 4cm.find the mass of small particle .
Sunday, March 1, 2015 at 11:28pm

science
Na2 SO4 + Ca Cl----> Ca SO4 +Na Cl
Sunday, March 1, 2015 at 8:53pm

math
A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more computers using the same ...
Sunday, March 1, 2015 at 7:21pm

science
A sandbag falls from a hot air balloon that is rising with a constant velocity of 15m.s 1)What is the acceleration of the bag the moment it fell from the hot air balloon? 2)What is the acceleration of the hot air balloon the moment the sandbag fell from it? 3)What is the ...
Sunday, March 1, 2015 at 2:39pm

science
what is the balanced chemical equation for (NH4)2SO4 + CuSO4.5H2O?
Sunday, March 1, 2015 at 1:50pm

maths lit,civil technology,egd,physical science
Can i possibly be accepted for land surveyor if am doing these subject
Sunday, March 1, 2015 at 10:39am

Statistics
Science scores for high school seniors in the United States are normally distributed with a mean of 78 and a standard deviation of 10. Students scoring in the top 10% are eligible for a special prize consisting of a laptop and $2,000. What is the approximate cutoff score a ...
Saturday, February 28, 2015 at 9:29pm

Earth Science
Which of the following does NOT occur at a convergent boundary? A. The leading edges of both plates are bent downward. B. Oceanic crust is pushed down into the mantle. C. One continental plate moves into an oceanic plate. I think it's C
Saturday, February 28, 2015 at 6:31pm

Science
Describe the total momentum of billiard balls before and after the cue ball collides with another ball
Saturday, February 28, 2015 at 5:29pm

Art
What is one way that the industrial revolutions impact showed itself in the art of realist like Monet? A. Realists documented their inner reactions to the revolution B. realists documented the lives of rules and the wealthy C realists documented the increased free time of city...
Saturday, February 28, 2015 at 4:11pm

probability
This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and [0,1], respectively. At x=1, the value of the joint PDF is 1/2. (figure belongs to "the science of uncertainty) 1. Are X and Y independent? NO 2. ...
Saturday, February 28, 2015 at 3:46pm

probability
For each one of the following figures, identify if it is a valid CDF. The value of the CDF at points of discontinuity is indicated with a small solid circle. (original images belonging to: "The science of uncertainty") 1. No, it is not a valid CDF 2. Yes, it is not a...
Saturday, February 28, 2015 at 1:40pm

Science
Organs like the liver, lungs, and intestines, each perform a specific job. COMPARE AND CONTRAST: How are the organs in a model of a human body the same and how are they different? Thx!!
Saturday, February 28, 2015 at 6:41am

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Homework Help: Computers

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