Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

math/science
If y is directly proportional to √x ,will on increasing y by 200%, x will become 4 times

Science) Breast Cancer
Can you give me some facts about breast cancer?

As a computer programmer, you have to define the movements of a battleship across a virtual grid. Will you program the transformation from the original position (Figure I) to the final position (Figure II) as a translation, reflection, or rotation?

Science, Physics
A particle moves through angular displacement ø on a circular path of radius r. The linear displacement will be

Math
Shania bought a new computer for 1,550 from computer 'r' us. If the value of the computer depreciates at a rate of 5.35%per year, when will the value of the computer reach 825 ?

Engineering Science N4
The diameter of the ram cylinder of a hydraulic press is 200mm. The stroke length of the plunger is 50mm. the effort on the plunger is 5% of the load. Calculate, i) the volume of the liquid needed per stroke if the load has to be lifted 60mm in 30 strokes, if the slip is ...

science
if a body of a mass 4kg is acted upon at constant force of 12n at 2sec,calculate the kenetic energy gain by the body.

Science unit 9
What would you do to measure the volume of a baseball

Social science
Most major cities in core countries are postindustrial. Can you think of an example of a growing city that is still in its industrial phase? How is it different from most Canadian cities?

Physical science
Which of the following is not a use for radioactive isotopes? a.as tracers for diagnosing a disease b.as an additive to paints to increase durability c.as a way to treat forms of cancer d.as a way to study biochemical processes in plants

science
A species that influences the survival of many other species in an ecosystem is called a____? I have no clue please someone help!

Science
The attitude adopted by Calvin Coolidge that government should play a small role in business affairs is know as what? A. Regulatory*** B. Progressive C. Laissez-faire D. Restrictive I took an educated guess.

A solar eclipse can ONLY occur when the moon is in which phase? A) New Moon B) Full Moon C) Quarter Moon D) Crescent Moon A?

When the Sun is completely blocked out by the Moon a ________________ occurs. A) total solar eclipse B) total lunar eclipse C) partial solar eclipse D) partial lunar eclipse A?

Land near the ocean, along the coast, experiences weather that is more moderate than the inland climate. So, along the coast, you can predict that compared to inland weather, it should be __________ during the summer, and __________ during the winter. A) cooler; warmer B) ...

If Earth were located where Mars is in space, the temperature of Earth would A) be significantly higher. B) be significantly lower. C) be about the same. D) fluctuate greatly. B maybe?

Science
Water on Earth is either freshwater or saltwater. What is the percent ratio of freshwater to percent saltwater on Earth? A) 1% freshwater : 99% saltwater B) 3% freshwater : 97% saltwater C) 30% freshwater : 70% saltwater D) 50% freshwater : 50% saltwater I think it is either ...

Science
The sun's apparent motion across the sky from East to West daily is due to the A) rotation of the sun. B) rotation of the earth. C) orbit of the earth around the sun. D) orbit of the sun around the earth. I think the answer would be c.

Science
Hi! I'm in 8th grade science 8-B in Connections academy. I have a question that I'm stuck on. Can anyone help me? Thx! 2. Where do most Earthquakes occur most often? Why I am taking a guess that areas such as California have more earthquakes than most. I don't know why areas ...

Science
Which is more harmful tannin or caffeine?

science
A man walk 3km East and 4km North what is his resultant displacement? Suppose he walks 3km and 4km 60 degree North of East. What is the displacement?

Science
Two trains are traveling towards each other, starting 100 kilometers apart. One train travels at 40 kilometers per hour while the other travels at 60 kilometers per hour. The plane starts flying at 90 kilometers per hour, starting from the location of the faster train. Once ...

Science
A student adds 5 g each of sand, sugar, and salt to 50mL of water. Did he make a solution? Explain.

Science
Identify the benefits that your space mission might provide for modern society. Explore the possibility of connecting your space mission with satellites that are already gathering information as they orbit Earth. i neeeeeeeeed help plzzzzzzzzzzz!!!!!!!!!!!!!!!!!!!!!

science
Where are the major zones of volcanism? Thanks!

science
parasitic worm infestation is hypothesized to be damaging to the host. However scientists have recently discovered that worm infestation of certain autoimmune disorders. in which of the following ways should the hypothesized to be modified , given the new findings A. worm ...

Science
For an organism that has a diploid number of chromosomes of 12, give the number of chromosome/chromatid copies at the end of the following cell-cycle phases: a) G2 phase b) Meiosis I metaphase c) Meiosis II telophase

Chemistry
a group of grade three students, along with their science teacher, were outside the classroom observing plant species. upon observation, the students recognized that some plant leaves were very pale yellow and weak looking while some looked healthy. suggest an appropriate ...

science
DNA is synthesized during which of the following stages of the cell cycle? Choose all that apply A.mitosis B.G2 C.S D.G1 E.interphase F. cytokineses I answered with A,C,E am I missing one? I am pretty sure I am

science
How are suspensions and solutions similar? How are they different? (can use a Venn diagram) I do not understand how these are similar.

Science
For an experiment, you place 15 g of ice with a temperature of -10 degrees C into a cup and label it A. You also place 25 g of ice at the same temperature into another cup and label it B. Which of the following statements is true? A. The average kinetic energy of the ice in ...

stats
The Information Systems Audit and Control Association surveyed office workers to learn about the anticipated usage of office computers for personal holiday shopping (USA Today, November 11, 2009). Assume that the number of hours a worker spends doing holiday shopping on an ...

science discussion
What evidence is there that the human species has been successful so far? Explain. What environmental pressures in the past do you think were most important in shaping the human species as it exists today? What environmental pressures exist now that you think may be shaping ...

Science
anatomical differences of humans What possibilities and/or dangers does this difference imply for humans from other animals? Use the arms and hands

Science
A man whose is 75kg walks up a flight of 5.12 steps each 20cm hight in 5second. Find the power developed in walks.

Science
Dicot is to two seed leaves as blank is to one seed leaf.

Science
Two ofthe inner planets ____?

Science
The process of desertification can occur when? 1)plants usually found in the desert replace trees that have been cut down 2) farmers use contour farming techniques 3)an area of forest is clear-cut 4)an area of forest is selectively cut I think 3

science
would all of the lead (ii) bromide (ksp = 6.3 x 10^-6) dissolve if 2.25 g is added to 500 mL of water

Science
Three abiotic factors of about eastern himalaya

computer
Write a program to let the user capture personal details: names, address, telephone, age, city, then display them. Use both “readline” and “showInputDialog” functions

eec115 electrical and electronic engineering science
two capacitor having capacitance of 10uf and 5uf are connected in series and this combination is connected in parallel with a 20v supplies this parallel combination calculate the charge on each capacitor .the voltage across the 10uc capacitor.

Science
What is the name of experiment to show that a product obtained is a basic oxide 2Mgo+O2=2MgO

Science
A car starts from a stopped position at a red light. At the end of 60 seconds, it's speed is 30 meters per second. What is the acceleration of the car?

science
The small structures in the cell that carry out the cell's activities are known as?   The ____ can be described as the basic unit of life The jelly-like substance that fills the cell is called Mitochondria are responsible for

Science
An element has a half-life of 30 years. If 1.0 mg of this element decays over a period of 90 years, how many mg of this element would remain? Begin amount is 1.0 elapsed time is 90y half life 30 years n=9/30 n=3 90/2^2 90/8 = 11.25mg thinking it's wrong not sure what I missed...

Science Earths Evolution
Tell me what you think plz 1.The Reason why it was not a solid planet yet is because Rocks or asteroids were still being formed. All there was were Dust and Tiny Particles were forming the asteroids. This was probably in the Hadean Era Because it was long ago, That’s ...

Science
What causes lightning?

Science
Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely explanation for this difference in height is a difference in

science
Calculate the root mean square speed and most probable speed for co2 at25°c

Science
Which of the following can be used to explain why fossils of the same kinds of organisms can be found in different regions of the world? biogeography adaptation continental drift dispersal** Which piece of children’s’ playground equipment could be used to model and explain...

Science
Which word or phrase below best describes the function of the urinary bladder? Filter Storage tank Blender Passageway*** Help me please i am trying to check my test and make sure all the answers are right

science
Two copper globes are floating in space with a charge of -10 and charge of +16. They come together then go back apart. What are the resulting charges

Science I guess
So I have been reading the twilight series and I would like to know are you team Jacob or team Edward please bee nice (:

Physical science
Calculate the mass of carbon monoxide that was needed to produce 78 grams of methanol by the following reaction: 2H2+CO=CH3OH

Physical science
Determine the number of moles of sodium hydroxide produced when 2 moles of sodium and 3 moles of water react to form sodium hydroxide and hydrogen gas.

science
A marble at rest is dropped from the top of a building. Find the marble’s velocity after it has fallen for 3 s. Ignore air resistance. Use the formula: v = g x t, where v = average velocity, g = acceleration due to gravity and t = time

Math1
You buy a new computer for \$2100. The computer is decreases by 5% annually. When will the computer have a value of \$600? Y = a(1+r/n)^n(t)

Science
The development of the amniotic egg made early reptiles less dependent on water? True False

Environmental Science
How is genetic engineering similar to traditional plant breeding? A) Both processes are used to produce desirable traits in crop plants. B) Both processes involve only allowing certain individuals to breed in a population to enhance passing of certain traits to future ...

Environmental Science
Which term is used to describe when genes are transferred from one species of crop plant to another to produce desirable traits such as pest resistance? A) Selective breeding B) Genetic engineering I think the answer is A

science
Sodium nitrite is prepared by a reaction of sodium nitrate and carbon: NaNO3 + C → NaNO2 + CO2 Calculate the masses of reactants needed for the preparation of 10 g of NaNO2. Carbon is used in 10% excess. The atomic/molecular masses are: NaNO2= 69.0 g/mol , NaNO3=85.0 g/mol ...

SCIENCE
WHAT IS MEAN OF CHEMISTRY?

Science
If a 1 tonne car travels at 16.7 m/s (60km/h) then it would have a momentum of

Science
What are some ways (at least two) that cells can increase their (Unicellular and multi-cellular organisms) surface area to volume ratio without splitting into multiple cells?  One way that cells can increase their surface area to volume ratio without splitting into multiple ...

Statistics
A person has money worries and decides to invest in the computer industry. They want to know how the value will change over time. They used an exponetial regression model where the predictor is time in months and the response var is money measure in thousands of dollars. Alpha...

Science
Which of the following would have more thermal energy? 200 mL of water at 100 degreesC or 100 mL of water at 100degreesC

What are some ways (at least two) that cells can increase their (Unicellular and multi-cellular organisms) surface area to volume ratio without splitting into multiple cells? One way that cells can increase their surface area to volume ratio without splitting into multiple ...

science
What are some ways (at least two) that cells can increase their (Unicellular and multi-cellular organisms) surface area to volume ratio without splitting into multiple cells? I am having trouble finding information on the ways.

Physical science
Explain why an endothermic reaction might cause a drop in temperature.

Science
Which of the following would best explain why a species of wildflower native to Switzerland is observed growing in the wild in Montana?

Science Ecology
List at least three ways in which Grassland and Tundra biomes are similar.

science
A person claps his hands near a cliff and hears the eco after 2 seconds if the speed of the sound in air is 340m/s find the distance of the cliff from the percent

Science
Two students discover that 500g of water occupies a volume of 50mL. Is this result correct? Explain your answer.

Science
why dont monocot and dicot have the same arrangements of vascular tissues

Science
For this activity, we had to make cube shaped models to represent cells. Then we had to compare surface area, volume, and surface area to volume ratio (SA:V) between the cells.  Cell A:  length of one side=1cm  Surface area= 6cm^2  Volume= 1cm^3  SA:V= 6  Cell B:  ...

Science
Two students discover that 500g of water occupies a volume of 50mL. Is this result correct? Explain your answer.

Science
Some constellations such as Ursa Minor, are visible in the sky year round other constellations appear for only part of the year.Explain why this happens. The earth moves in its orbit, so the direction facing away from the sun changes during the year. We only see stars in the ...

science
For this activity, we had to make cube shaped models to represent cells. Then we had to compare aurafve area, volume, and surface area to volume ratio (SA:V) between the cells. Cell A: length of one side=1cm Surface area= 6cm^2 Volume= 1cm^3 SA:V= 6 Cell B: Length of one side...

science
What property must a substance have if you want to use the substance to make aqueous solution

ICT
consider an organization as a computer system and identify its components

science
if two balls made of iron and aluminum of equal volumes are immersed in a liquid, then will they experience equal upthrust?

Science
Time taken by CO2 gas to diffuse 5000km distance is 2sec.Find the time taken by Cl2 gas to diffuse the same distance.

SCIENCE
If 5 equal pieces of 25 ohm (omega) is joined in parallel then what is the equivalent resistance of IS ?

Science - hyperthyroidism
Hello, Can someone explain to me how does negative feedback loop work with a person whose condition is hyperthyroidism? How does graves disease effect the homoeostasis of the thyroid function and its production of hormones I am reading the book but it does not make sense at all.

science, maths
Why are electric field lines perpendicular at a point on an equipotential surface of a conductor .

maths , science
Two point charges q and -2q are kept 'd' distance apart . Find the location of point relative to charge 'q' at which potential due to this system of charges is zero.

Science
What type of boundary is an earthquake? I think it is either Transform or Divergent.

Science
A reaction has a standard free-energy change of –11.70 kJ mol–1 (–2.796 kcal mol–1). Calculate the equilibrium constant for the reaction at 25 °C. Im so lost please help

Science
What are the uses of reactivity series??

Science
A wreaking ball has a mass of 315 kg. It it is moving at a speed of 5.12 m/s what is its kinetic energy?

Science @ MS SUE !
what are some advantages of using renewable energy sources instead of fossil fuels ???????????

Science 6
When striking a match what type of energy is represented? A thermal B chemical potential C mechanical D electromagnetic I think the answer is b Thank you

Science
Mount St. Helens, the Great Lakes, and Death Valley are physical features of the earth. What is the scientific term used to describe these features? A. cartography B. topography C. geology D. contourology

SCIENCE
When you turn on a television, you transform electrical energy into what types of energy? 1) heat energy 2) light energy 3) elastic potential energy 4) sound energy I THINK #1 ,#2 #4 Thanks for your help.

science
A gas sample has a volume of 150ml when the pressure is 175kPa. If the temperature and amount of gas remains constant, what volume will the gas sample occupy at a pressure of 120 kPa

Science
If 2.4g of magnesium burns in oxygen to produce 4.0g of magnesium oxide, Write a balanced equation for the reaction

Mathematics for social science
1.There are 20 people in a club. In how many ways can the club elect a president, a secretary and a treasurer, on person can hold more than one office? 2. How many ways can a committee of 4 people be selected from a group of 10 people?

science
Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...

science
Which statement about fungi is true? a. Fungi are producers b. Fungi cannot eat or engulf food c. Fungi are found only in soil d. Fungi are primarily single celled pls no bad comments

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