Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Science
1.Acceleration involves a change in? A.time B.direction C.speed D.both direction and speed I think it's D?

Science Plz help
How were the Aborigine people affected when their children were forced to live with British families or in institutions?

Science: Chemistry
What is the mass percent of oxygen in sodium bicarbonate(NaHCO3)?

Science
1. groups/ family of elements are ones which: A. Have the same number of electrons in the valence/ outer engery level B. Have exactly 8 electrons in the valence shell outer energy level C. Have the same number of protons in the nucleus 2. A period represents elements which? A...

Science
What are 4 producers, 4 consumers, and 2 decomposers you would find in a Pennsylvania ecosystem

Science
PLEASE CHECK MY ANSWERS :) answers marked below 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...

Science
Jordan is doing a science fair project on the effects of music and growth of tomatoes.he has two tomato plants, plant A and plant B that he grows in a window and gives the same amount of water. Plant A is exposed to classical music using headphones atttached to the soil. ...

science
How do we identify or interpret when to get the screen away or towards the mirror in different situations? Please tell me diff. cases---phy practicals

Science
How are cheetos made?

Science
How do you fix an ink machine

Science
What unit would be the most appropriate to use when measuring(in S1 units)the length of a pencil

Physics
Computer the power output in watt of a machine that lift a 50kg crete through a height of 20cm in 1minute

science
The half life of radium is 1590 yrs. how long will it take to 1 gm of element to loose 0.1gm

Science
18. The description of the structure of the atom is called the ___. ATOMIC MODEL 19. In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A ______ bond is found in a water molecule. COVALENT BOND 20. Sodium chloride is formed when the metal ...

Science
1. The current atomic model would be revised if better microscopes were being used to study its structure. better microscopes are invented in the future. new information about an atom’s structure is discovered. ********** a new element is discovered in the future. 2. Melinda...

CIS
Assume you have a computer that contains 1 GB of memory. It contains 4 memory slots. Each slot can contain on of the following memory modules: 128 MB, 246 MB, 512 MB, 1GB or 2 GB. Two of the slots are currently used, each contain a 512 MB memory module. Using this scenario, ...

Essentials og Psychology
The science of the mind questions please for Penn foster. No need of answers. Please help.

Science
1. granite lasts a long time when it is used for building in areas where

Science
1. In paper chromatography, is the substance being tested the solute or solvent? Explain your answer.  I think the substance being tested is a solvent. I think this because it is being dissolved to form the ink on the filter paper.  2. A bucket of paint spills on your ...

Science
A uniform have metre rule,pivoted at 20cm mark balances horizontally when a mass of 50g is suspended from 4cm mark calculate the mass of the metre rule.

science
1. In paper chromatography, is the substance being tested the solute or solvent? Explain your answer. I think the substance being tested is a solvent. I think this because it is being dissolved to form the ink on the filter paper. 2. A bucket of paint spills on your classroom ...

Science
which of the following planets are considard rocky venus neptune saturn uranus i think uranus

Science
When the temperature equals the dew point, what is the relative humidity? A.zero B.10% C.50% D.100%

SCience
After watching the Farmers and their Lost Dreams: The Dust Bowl Years video segment, reflect back on the stories of two American farming families as they struggled to survive the dust storms that overtook the plains Write a paragraph in reaction to what the survivor shares as ...

Science- Astronomy
How are Earth and Venus different? I already wrote that they have different atmospheres but I need another reason why are different so can someone help me please?

science
Astronauts who are working outside the space shuttle require an audio speaker in their helmets because ________. PLEASE HELP!!!!!!

science plz check
Describe the outer planets. The outer planets, unlike the inner planets, are much larger and made up of gases. They have many moons, and larger rings of ice that go around the entire planet.

science
describe the inner planets.

science
Why can't we see a new moon?

Science
The combined resistance of two identical resistors connected in series is 8 ohm. Their combined resistance in a parallel arrangement will be?

Science
A man drop a stone of mass 2kg room the top of a building of height 15m when it reaches the ground find its kinetic energy.

Science
If a small marble and large marble are hit with the same force which will go farther? Why?

Science 6
When you turn on a battery powered flashlight, you transform... A:heat energy into light and chemical energy. B:chemical energy into electrical energy and light. C:heat energy into chemical energy and light. D:eletrical energy and light energy into chemical energy. I think B ...

Science
hearing rattles from a snake, a boy make two rapid displacements of magnitude 1.8m and 2.4m in sketches show how the two displacements might add up to give magnitude of

Science
When calculating delta Tsample,why is th initial temperature taken to be 100 degrees Celsius

Science
Why is the weight of an object less on the moon than on Earth?

computer programming
Design the logic for a program that allows a user to enter any amount of numbers up to 10 or until a sentinal value of -1 is entered. Then the program displays the count of the numbers entered and numeric average of the numbers (not including the -1 of course). After display ...

science
The effects of electricity can be explained by the structure of the _______?

Science
A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

Science
What percentage of the energy from the grass would the hawks get in the trophic level pyramid of a food chain

Science
how much work is done on a 50kg cart that is pushed 10m at a constant rate of 5m/s^2

Science
A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

Science
A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

Science
A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

Science
A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The person in the illustration pulls the bowling ball back until it touches his nose, then releases the bowling ball. Assume that he does not move. 1....

Science
How much power is lifted if a person lifts 60N weight up 2 meters in 10 seconds?

science
why dos buying food that is grown in your local area help prevent loss of biodiversity ??????

SCIENCE HELP ASAP
1. in an atom, electrons_____ 2. dot diagrams are used to represent_______ 3. the maximum number of electrons in the second energy level of an atom is________

Science
The weight of an object is the product of its mass, m, and the acceleration of gravity, g (where g=9.8 m/s2). If an object’s mass is m=58.5 grams, what is its weight? Same goes to 45.93 grams. If you could answer as soon as possible that would be great!

Science
An eagle flying along a horizontal path drops a small snake from a height of 6.5 m while travelling 5.0 m/s. How far does the snake travel horizontally before it hits the ground below? G: R: E: S: A:

Science
What do we mean when we say, "The speed of the car is 90 km/h."?

Science
What is the identity of the precipitate that forms when 70 mL of 0.3 M BaCl2 reacts with 65 mL of 0.35 M Na2CO3

physical science B
I have to build a roller coaster with 3 hills. Hill A is 15 inches high,it drops down to 3 inches, rises to 8 inches, drops again to 5 inches and rises a last time to 3 inches before dropping off. My question is when using a tennis ball as the car.. 1. What is the initial ...

Science
A car is traveling at 8.9 m/s (20mph) in a school zone. A child darts in front of the car. Ignoring reaction time, the car can accelerate (brake) at -4.57 m/s. -How long will it take for the car to stop? -How far will the car travel in that time?

Math
1. There are 14 blue marbles, 8 red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? (1 point) 24:8 34:8 8:34 8:24 2. Which of the following ratios is equivalent to fifteen over twenty ? (1 point) 200 to 150...

science
Earth's energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your home's electricity, and explain why you choose that source

Psycology
I. Classical Conditioning For the scenario presented below, identify the five major elements of classical conditioning: NS, UCS, UCR, CS, CR. Each answer is only ONE OR TWO words, just like the examples we discuss(ed) in class. If you write a sentence, it will be incorrect ...

SCIENCE
A BALL OF MASS 2KG FALLS FROM REST FROM A HEIGHT OF 200M.CALCULATE ITS KINETIC ENERGY AFTER FALLING A DISTANCE OF 50M?

Math,science
The 5th term of an arithmetic progression is 23 and the 12th term is 37.find the third term and common different

Science
Radioactivity is produced when unstable nuclei___ 1) bond together 2) break apart ***** 3) become cooler 4) expand I need help please

science
The question is: Calculate the pH of a solution that results from 50.0 ml of 0.15mol/L HCOOH with 75.0ml of 0.13mol/L HCOONa. I know I need to use the henderson-hasselbalch equation with the pka being 3.74 but I'm not sure how to get the ratio to plug in.

math
1.The cost of a telephone call from Wilsonto East Meadow is $0,60 for the first three minutes plus $0.17 for each additional minute. What is the greatest number of whole minutes of a call if the cost cannot exceed $2.50? 2.When John bought his new computer, he purchased an ...

Science
A physics student stands in an 64th floor. The students weights 810 N. What is his mass and normal force? Mass is 83? normal force is 810?

Science
2. A cable pulls a 15.0 kg crate at constant speed across a horizontal table.The tension in the cable is 60.0 N. 1. What is the frictional force and normal force?

Science
1. A truck is traveling 20 m/s to the left and bill is moving at 4 m/s left. If you are in Postion A what velocity do you see bill moving at?

science
how do you describe a scale im doing a portfolio and I don't know how too describe a scale please help me!!

Science
Air is compressed until a small piece of cotton is ignited. From a standpoint of thermodynamics what is Happening at a molecular level? Energy cant be created of destroyed?

Science
An object mass m1 falls from a height of h1. a. Write a formula for the velocity of the object just before it stikes the ground in terms of g,m1,and h1. b. Write a formula for the velocity of the object at the half way point in terms of g,m1, and h1.

Science
1. A ball is thrown 15 m/s at an angle of 60. How high does the ball go? 2. A ball rolls off a table going 8 m/s. If the table is 1.8 m tall, how far away does the ball land?

Science
A student rides his bike off the roof of the high school horizontally at 8 m/s that is 12.5 m high. 1. How far from the base does the object land? 2. What is his y-direction velocity just before it strikes the ground?

science
why is the use of fossil fuels not a long term solution to the worlds energy needs.

science
What is the momentum of a 20.0 kg scooter traveling a 5.00 m/s?

science
this is a follow up question from my last one with the exact question If you dissolve 200 g of salt in 20 l of water, what is the density of that solution of salty water? Hint: In this particular example, assume that the total volume doesn’t change when salt is added to ...

Math science
A camp has food stock for 500 people for 70 days.if 200more peole join tha camp how long will tha stock last

science
If I dissolve 200g in 20 litre of water what is the density of the salty water. please help

Math
Janet Foster bought a computer and printer at Computerland. The printer had a $620 list price with a $100 trade discount and 2/10, n/30 terms. The computer had a $2,200 list price with a 25% trade discount but no cash discount. On the computer, Computerland offered Janet the ...

science
According to the periodic table, all of the following are metals except ? A) Sodium (Na) B) Zinc (Zn) C) Fluorine (F) D) Calcium (Ca)

science
1. Which is not a characteristic of the group 1 alkali metals? A. High densities B. Low melting points C. Found in batteries D. Silvery solid 2. which of the following is true of the group 2 alkali earth metals A. they are less dense that the group 1 alkali metals b. They have...

Science
Which of these is found inside the solar system? A) Moon B) Nebula C) Galaxy D) Black hole

chemistry, science
how many moles of he atoms are there in 0.02g of he?

science
an electron is projected horizontally at a speed of 3x10^6 m/s into a uniform electric field 200 N/C produced by two charged plates of width 0.1m (a) find the a cceleration of the electron in the elec field.(b) finn the time takes to travel through the electric field.(c) what ...

Science
Which material is the densest air,water,plastic,or iron

computer programming
Create a Raptor Flowchart that calculates the amount a person would earn over a period of time if his or her salary were five cents the first day, ten cents the second day, and so on doubling each day. Your program should: 1. Request the number of days. 2. Display a table ...

Science
Do light and sound travel at the same speed through solids, liquids, and gasses? What are the effects of light and sound traveling through different objects?

Science
4.9 gm of H2SO4 is mixed with Water to form 5 litres of aqueous solution. Findits concentration. (Molecular weight of H2SO4 is 98 gm/mole)

Science
1. The line on the graph below represents an object that is: A: Moving at a constant speed B: Increasing its speed C: Decreasing it's speed D: Not moving at all 2. To determine the acceleration of an object moving in a straight line, you must calculate the change in its speed ...

Science 6
during the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. the energy stored in these covalent bonds is called? A:nuclear energy. B:thermal energy. C:electrical energy. D:chemical energy. I ...

Engineering Science N4
A box of books has a mass of 46kg and is being towed by a rope which is oriented at 15 degree to the horizontal at a point where it is tied into a knot. If the pulling force is increased until the box begins to slide, determine the box's initial acceleration if the coefficient...

Science
CeCl3 is having Ca conntent 12 g/L,If we try to pricipitate Ce2(CO3)by using 1.0M Na2CO3,what is the Ca impurity level in the fianl Ce carbonte and how much pH we have to maintain to control Ca imprurity in the final out put?

Science
Calculate the time needed for a net force of 5N to change the velocity of a 10kg mass by 2m

computer programming
Design the logic for a program that allows a user to enter 10 numbers, then displays each and its difference from the numeric average of the numbers

Science
How do the spaces between particles affect viscosity?

Science
How did Rutherford come to the conclusion that most of the space in atoms is empty?

Science- Earth
Under which circumstances do neap tides occur? HELP NEED ASAP!!

science
1. When Mendeleyev arranged the elements into the periodic table, he found that elements with fell into groups on the table A. the same mass B. similar size C. Similar properties D. The same color 2. Every element has its own atomic number. The atomic number is the number of ...

Science
Describe th flow of blood in the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves on locations in the body i have been stuck on this for almost 3o minutes i need help :)

science
Consider a point charge with q = 1.510-8 C. (a) What is the radius of an equipotential surface having a potential of 30 V? (b) Are surfaces whose potential differ by a constant amount (1.0 V) evenly spaced in radius

Science HELP!!! FAST!!!
24. Many people who care about conserving natural resources would choose to use wind energy to power their homes. However, wind power is not an option for people in many parts of the country. Explain what the benefits of wind power are and why it is not available to everyone ...

science
A solid weighs 100g in air,75g in water and 70g in oil.Calculate the relative density of oil.

social science
which places or countries are located at 20 degrees south and 20 degrees east?

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Homework Help: Computers