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Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

physics
Computer-controlled display screens provide drivers in the Indianapolis 500 with a variety of information about how their cars are performing. For instance, as a car is going through a turn, a speed of 87.5 m/s and centripetal acceleration of 2.48 g (2.48 times the ...

Art
Which statement best describes the difference between preservation and restoration? 1. Preservation is lengthy while restoration is relatively quick. 2. Restoration involves chemicals, while preservation uses special containers. 3. (Preservation is a highly complex science; ...

science
Number+Number+Number=0 use this nos1,3,5,7,9 11,12,15,

science
How many moles are in 44 grams of cao (ca=40,o=16)

science
Free ears in dogs are controlled by dominant allele (F), and attached ears are controlled by the recessive allele (f). In addition, Short dogs is due to a dominant allele(S), and long hair is due to a recessive allele (s). Which of the following is the genotype of the dogs ...

science
When hydrochloric acid reacts with sodium sulfide, hydrogen sulfide gas and sodium chloride are produced. How many moles of H2S will be generated by 2.56 moles of HCl? 2HCl + Na2S → H2S + 2NaCl

Science
Sasi asked her father to fix mirrors on her new house for elevation. But het father did not accepted? Imagine why he said like that?

Science
What best describes Newton law of universal gravitation

Science
The time interval between a lightning flash and the first sound of thunder was found to be 5 second.If the speed of sound in air is 330 ms-1,find the distance of the hash from the observer

science
Given that 25ml of a solution contains 159g of sodium carbonate per dm3 was required for complete neutralization of 4.725g of monobasic acid at s.t.p. (Na=23, C=12, O=16, molar gas volume at s.t.p=22.4dm3) . find the relative molecular mass of the acid and the volume of carbon...

material science
A syntactic foam is made by mixing thin-walled hollow glass spheres (radius, r, and wall thickness, t=0.05r) into an epoxy resin, which is then cured and hardened. The glass from which the spheres are made is twice as dense as the hardened resin. If the spheres are identical ...

material science
Honeycombs with negative values of θ have negative values of Poisson's ratio for loading in the plane of the cells.

material science
Derive an expression for the relative density of a regular hexagonal honeycomb made by the expansion process.

material science
Derive an expression for the relative density, ρ∗/ρs, of an anisotropic honeycomb with hexagonal cells:n which the vertical cell walls are of length h, the inclined cell walls are of length l, the angle between the horizontal and the inclined members is θ, and the cell ...

science
Conversion of energy from one form to another usually releases what

Math
Shawn needs 190 liters of a solution that has a concentration of 18 g/ml for the manufacture of computer parts.  Shawn has an unlimited supply of a solution with a concentration of  37 g/ml.  Using the Formula  C1*V1=C2*V2 answer the following questions.  Round answers ...

Math
George needs 50 liters of a solution that has a concentration of 30 g/ml for the manufacture of computer parts.  George has an unlimited supply of a solution with a concentration of  39 g/ml.  Using the Formula  C1*V1=C2*V2 answer the following questions.  Round answers ...

AP Environmental Science
I'm confused about how to do these problems, I thought I was doing it right, but I think I might be wrong. The Honda Civic Hybrid is a compact car. It gets a combined highway and city fuel efficiency 17.8 kilometers per liter (42.0 miles per gallon). Calculate each of the ...

Science
Which of the following illustrates how fossil fuels can be conserved? A.) driving more frequently B.) developing more coal-burning power plants. * C.) reducing electrical use Can someone check this please?

Science
What will be the mass of water if 5gms of hydrogen and 8gms of oxygen react with each other?

CHECK answers science
my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron*** 3. Who provided the first evidence ...

Science
The fruit of an oak tree is called an acorn. You observe a squirrel gathering and burying acorns. Several months later, you observe an oak seedling growing in the area where the squirrel buried an acorn. What conclusion can you draw about oak tree reproduction from your ...

physical science
How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?

Science
A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?

Science
A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?

science
what is the relationship between mass and gravitational potential energy?

integrated science
Two individuals on roller blades push off each other.One weighs 45 kg and the other weighs 40 kg.who will travel further and why.Is the force balanced or unbalanced

science
A weight of 10N is supported by 2 strings AB and AC tied to a horizontal support.The strings makes an angle of 30 degree and 60 degree inclined respectively to the horizontal support.calculate the tention T1 and T2 in the strings

Check my answers, Physical science
my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron*** 3. Who provided the first evidence ...

Physical Science
Rank from largest to smallest atomic radius. To rank items as equivalent, overlap them. O, S, Se, Po, Te

maths .social science .technology.english
A train travelling at anaverage speed of 100km/h covers a certain distance in 3 h 36 minutes .at what avarage speed must the train travel to cover the same distance in 2h 30 minutes

science
How a comet changes when when it comes close to the sun? It explodes***

Microeconomics
A computer company produces affordable, easy-to-use home computer systems and has fixed costs of $250. The marginal cost of producing computers is $700 for the first computer, $250 for the second, $300 for the third, and $350 for the fourth, $400 for the fifth, $450 for the ...

Science
Find the work done when a 25kg weight is lifted to a vertical height of 2.0m from ground ...

Science
If an Iron block had a length of 2 cm, and a width of 3 cm and a height of 1 cm and a mass of 33 g between what two liquids would it float?

Science
Provide 3 statements that demonstrate the importance of units when describing motion. I don't fully understand the question, can someone please explain it to me a little more?

Science
Suppose you find fossils of clams in rock high on a mountain. what can you infer about the mountain?

Science
Relate to some objects your nose is in motion when you run. Relate to others it is not motion. Give one example of each

Science
Suppose that you are a Walking down the street describe the forces acting on you and use Newton's laws of motion to describe your motion

Science
Electric circuit with three cells each of emf 2v and negligible internal resistances are connected in series with an ammeter two resistors of resistance 2 and 6 and a key. 1. Draw a diagram for the above information 2.calculate the current in the circuit when the key is closed

science
near point of an eye is 50 cm and far point is 4 m . Which lenses should be use t read as well as see movie clearly?

Science Computers!
Computers use energy and respond to certain stimuli, such as commands from the user. Why, then, are computers not considered living things? PLZ Answer This Scientifically and Not Obviously.

Science
1. One potential problem with genetic engineering? 2. I can genetic engineering never solve all of mans problems? 3. What are two biblical principles that must be considered when making decisions about human genetic engineering? Very much appreciated!

physical science
Two forces of 60N and 80N act a point .sketch a tail to head diagram and determine their resultant

Science
A picometer (pm) is equal to 1 x 10^-12 m. The O-H bond lengths in water are 95.8 pm,while S-H bond lengths in dihydrogen sulfide are 135 pm. Why are S-H bonds longer than O-H bonds? Is it because Sulfurs mass is greater than Oxygens mass? Please correct me if I'm wrong. ...

life science
why dna is able to play a role in the transmission of hereditary information

Science grade 7
Please help. Why is I beam the most popular beam?

Science
Consider the following reaction, 4 PH3(g) + 8 O2(g) → P4O10(s) + 6 H2O(g) If a container were to have 32 molecules of PH3 and 32 molecules of O2 initially, how many total molecules (reactants plus products) would be present in the container after this reaction goes to ...

science
I need to make a acrostic poem of prokaryote.

science (physic)
An expansible ballon filled with air floats on the surface of a lake with 2/3 of its volume submerged .How deep must it be sunk in the water so that it is just inequilibrium neither sinking further nor rising? It is assumed that the temperature of the water is constant and ...

science
A bullet of mass 40g strikes a stationary wooden block of mass 6kg horizontally at 500m/s the bullet goes through the block,and emerges from from the other side at 200m/s.calculate the velocity of the block once the bullet emerges from it

Science
Suppose some natural disaster iccured and a dpecies of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with fewer cacti but iverabundance if orchids. What would be the immediate consequences to the soecies in the ...

Science
What Is Enzymes

science grade 11
Two people, one of mass 51.4KG and the other mass of 78.0 KG, sit a distance between of 2.3 metres apart on a low friction sleds with the same friction coefficients. A)what is the strength of the gravitational force between them? B) suppose the friction is slowly reduced until...

science grade 11
A waiter carries a 253g drink a distance of 12m on a horizontal tray at constant speed of 1.1 m/s. A) what work is done by the normal force of the tray on the drink? B) what work is done by the friction force of the tray on the drink?

science
Youre travelling down the road in a car with a total mass(including passengers) of 2.24 X 10^3 a)What is the change in kinetic energy of the car if you slow down from 80km/h to 70km/h(reducing your speed by 10km/h) B)what is the change in kinetic energy of the car if you slow ...

children's literature
Aesthetic development increases a person’s appreciation of: A. beauty and numbers. B. art and numbers. C. beauty and art. D. beauty and science. D?

science
A certain echocardiogram uses ultrasounds with a frequency f = 6.1130 MHz. The speed of sound in blood is 1570 m/s. The patient is aligned so that blood is flowing through the heart directly towards the transducer (the transducer produces and detects the ultrasound waves). If ...

science
why are models important?

science chemistry
Explain how Particles moves in solid lead,molten solid,gaseous lead in these three state of matter

science
The velocity of sound in air at 27°celcius is 340m/s calculate the velocity of sound in air at 227°celcius ?

physical science
in a tug of war the left team pulls with a force of 300N and the right team pulls with a force of 150N. what is the resultant force?

science
A stone is dropped from a height 80m calculate k.e and p.e at ts t 2 s

Science
why can't a model of the solar system be proportionate in distance b/w the planets and size of the planets? I think that a scale model that is proportionate could include both

Science
Consider a wetland ecosystem similar to the one shown in the image below. In this ecosystem are two species: a small fish species and a wading bird species that feeds on the small fish as its main source of food. Oxygen levels are a limiting factor. Suppose that the local ...

Science
.Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland. This is an example of _________________ pollution. Ms.Sue

Science
If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will decrease. Oxygen level in water is therefore a(n) _____________ with respect to the number of trout that a particular stream can support.

Forensic Science
What drug is the greatest challenge for Forensic Science?

science (ASAP)
identify the terms or phrases that are paired together correctly a. deserts and dwarf trees b. temperate and deciduous forest and evergreen trees c. subarctic taiga and moss d. tundra and permafrost ***

Science
Other than moisture what are the three major components of the air you breathe

science
how many atoms are in 10.0 grams of sulfur?

Science
Which of these statements are true? A. There is more water on Earth now than there was millions of years ago. B. There is less water on the Earth than there was millions of years ago.(MY ANSWER) C. There is no way to tell how much water there was on Earth millions of years ago...

science
Three dogs—Ed, Max, and Marcie—are pulling a dogsled along a patch of ice. Ed pulls with a force of 115 N; Max pulls with a force of 62 N; and Marcie pulls with a force of 90 N. If there are no forces pulling the sled backward, what is the net force acting on the sled?

Science
This is for 7th grade science and I think this was good tell me if I'm wrong Like climate, change to an environment will affect the ones living in it. Plants that are moribund in an area where they grow changes in the environment will help the plants thrive because they change...

science
I need a acrostic poem on photosynthesis

Science
A pebble is dropped into a graduated cylinder with 20ml of water in it. After the pebble is dropped in, it sinks and the water level rises to 25ml. What is the volume of the pebble? (Numbers and Units!) I did 25ml - 20ml but the answer had to be something about density.

Science
Why isn't there any evidence of black holes? Or any pictures of black holes, there are always computerised pictures

Science
a 30 gm bullet is fired from a gun of mass 2kg with a speed of 800m/s. Find the magnitude and direction of the velocity of gun

MATH HELP
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...

science
Calculate the work done in each of the following situations. (a) A horse pulls a wagon with a force of 1200 N and moves it 15 m. (b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N. -How much work is required to lift a 35-kg object from the ...

Physical science
Explain whether the size of an object’s displacement could be greater than the distance the object travels.

MATH HELP
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...

english
Decide if the underlined pronoun in the sentences below is used as a subject, a predicate nominative, or an appositive. 15. Both Ben and "he" will graduate at the same time. (1 point) subject *** predicate nominative appositive 16. The driver of that station was "she". (1 ...

Math Help
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...

science
what are examples of a biomass fuel A.oil B. natural gas C.wood D. coal

English
1. The sound device in which vowel sounds of nearby words are repeated is called (1 point) alliteration assonance consonance onomatopoeia 2. The word wail is an example of (1 point) alliteration assonance consonance onomatopoeia 3. In “The Rime of the Ancient Mariner,” why...

Physical Science.
I need help answering this inferring question because I don't fully understand it. Q: Infer whether the size of an object's displacement could be greater than the distance the object travels.

Maths, Accounting, Life Orientation, Life Science, Physical Science, English and my home language (sepedi)
Could I become a social worker with those subjects?

Math
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...

science
Distillation and evaporation are methods to ______.

Science
What is the Largest Valve coming from the heart? Please help?? I think it either veins or the Aorta, but I'm not positive.

science
use the terms atome and element to xplane what makes silver and gold different

science
why ac current has variable frequency and voltage? I din't understand about hertz. please make me clear about it?

social science
the need to preserve and protect the Khajuraho temple

science
A train which is moving with uniform acceleration is observed to take 20 to 30 seconds to travel successive 0.4km.how much far then willing travel before coming to rest, if the acceleration remains uniform?

physics
In a science fiction novel two enemies, Bonzo and Ender, are fighting in outer spce. From stationary positions, they push against each other. Bonzo flies off with a velocity of +1.7 m/s, while Ender recoils with a velocity of -3.3 m/s. Determine the ratio mBonzo/mEnder of ...

Science
What is the function that makes hair stand up

Biology
I have a question on plant science, wondering where I can get the answer..

Science
28cm3 of a gas weighs 0.4g at STP.Calculate the molecular mass of the gas.

science(physics)
Why a minibus is more likely to topple over when the roof rack is heavily loaded than when the roof rack is empty?

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Homework Help: Computers

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