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February 11, 2016

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

science
An aircraft lands with an initial velocity of 85 m/s and decelerates at 9.0 m/s2 until it travels at 4.0 m/s. (a) Calculate the distance travelled along the ground by the aircraft as it decelerates. (b) How long does this deceleration take? (First decide which equations to use)
Friday, October 16, 2015 by Paul

Science
A ball is thrown upward and returns to thrower hand in 12 seconds. What is speed with which ball is thrown and maximum height attained.
Friday, October 16, 2015 by Shrey

Science
I have a question from an old exam that I need help to understand, i'm not sure where to start An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon strikes a metal surface...
Thursday, October 15, 2015 by Dan

Science
I have a metal sheet of indium, and when a uv light with a wavelength of 265 nm is shone on it the surface ejects electrons that have a kinetic energy of 8.31x10^-20 J per ejected electron. I'm asked to find the threshold frequency, I need to know how to find it.
Thursday, October 15, 2015 by Dan

science
Which of the following would be true for the charged particles below ?
Thursday, October 15, 2015 by kayli

science- physics
Two spheres are launched horizontally from a 1.1 m -high table. Sphere A is launched with an initial speed of 4.5 m/s . Sphere B is launched with an initial speed of 1.5 m/s . What is the distance that sphere A travels from the edge of the table? What is the distance that ...
Thursday, October 15, 2015 by Laura

science
is tap water a pure substance..?
Thursday, October 15, 2015 by sally

Computer Science
Create an array to record the results of rolling a 6-sided die. The user determines the number of rolls. Output the results of each roll and the sum of all rolls. The rolls should produce a random integer from 1-6.
Thursday, October 15, 2015 by Paul

science
is a polyatomic considered a compound?
Thursday, October 15, 2015 by sally

science
Fill in the blank with the word or phrase that best completes the statement or answers the question. 14. The scientific name for a plant that reproduces with flowers is a(n) (1 point) 15. At certain times of the year, the male sage grouse can be seen inflating the air sacs on ...
Thursday, October 15, 2015 by Adri,

Science
Select the three terms that belong together. To do this, pick one term from each of the three sets. Set 1: intertidal zone, neritic zone, deep zone Set 2: moderate light levels, freshwater, temperature fluctuations Set 3: clams, squid, beavers A) intertidal zone, temperature ...
Thursday, October 15, 2015 by MsHemmoPenguin

Science
when an electric current is passed through water during the process of electrolysis, two gases are formed. One gas has the 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.
Thursday, October 15, 2015 by Myla

Science
Select the three terms that belong together. To do this, pick one term from each of the three sets. Set 1: intertidal zone, neritic zone, deep zone Set 2: moderate light levels, freshwater, temperature fluctuations Set 3: clams, squid, beavers A) intertidal zone, temperature ...
Thursday, October 15, 2015 by MsHemmoPenguin

science
What are differences between molecule and compound?
Thursday, October 15, 2015 by sujal

science
how do endotherms stay warm. plz help me
Wednesday, October 14, 2015 by k.c (hidding real name here)

science
Ethical conflict over cases of cross-border and multigenerational pollution is an example of a dispute relating to
Wednesday, October 14, 2015 by Anonymous

science
Covalent compounds are bad conductors of electricity.Why?
Wednesday, October 14, 2015 by sujal

science
what acceleraton would m2 in mass24 m/s2acceleratoin of an and m1 a force of 5n produces an acceleeration of 8m/s2 in mass
Wednesday, October 14, 2015 by sangita joshi

science
The concentration of sodium chloride in ocean water is on average 0.060 M. What mass of sodium chloride is present in 25 L of ocean water? How do I answer this question, I have no idea where even to start.
Wednesday, October 14, 2015 by alyssa

Science
Suppose you found a fossil of a clam shell what can you conclude about the once-living organism and how it became a fossil?
Wednesday, October 14, 2015 by HelpMePlease

science
what are two consequences of spraying insecticides to get read of mosquitoes
Wednesday, October 14, 2015 by manuel

science
Which variable in the following statement would be placed on the Y-axis of a graph? If the amount of light increases, then the plants will grow taller.
Wednesday, October 14, 2015 by Anonymous

science
A cubic container full of hot water at a temperature of 90 °C is completely lagged with an insulating material of thermal conductivity 6.4x10-4 Wcm-1K-1 (6.4x10-2 Wm-1K-1). The edges of the container are 1.0 m long and the thickness of the lagging is 1.0 cm. Estimate the ...
Wednesday, October 14, 2015 by Pam

science
A heat engine draws 800J of heat from its high temperature source and discards 450J of exhaust heat into its cold temperature reservoir during each cycle.How much work does this engine perform per cycle?
Wednesday, October 14, 2015 by MARK

science
does water ionize to hydrogen and hydroxide
Tuesday, October 13, 2015 by sujal

Physical Science
What happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass?
Tuesday, October 13, 2015 by Katie

science
a crew of astronauts leaves earth on a Monday , lands on the moon on a Thursday. they and on the side of the moon facing away from the earth. on what day would the astronauts be able to see earth from the moon, explain
Tuesday, October 13, 2015 by robin a

SCIENCE
. How did planetesmals form planets? (1 point) A. They broke apart into smaller chunks. B. They collided and stuck together.** C. They cooled and pulled ice together. D. They began to rotate. 2. Which parts of the sun’s atmosphere become visible during a total solar ...
Tuesday, October 13, 2015 by Shalee ^~^

Science
1. How did planetesmals form planets? (1 point) A. They broke apart into smaller chunks. B. They collided and stuck together.** C. They cooled and pulled ice together. D. They began to rotate. 2. Which parts of the sun’s atmosphere become visible during a total solar ...
Tuesday, October 13, 2015 by Shalee ^~^

physcial science
8. which picture(s) would best represent atoms in the gas of a neon sign?
Tuesday, October 13, 2015 by sid

Science
which of the following includes the variables needed to demonstrate momentum A. mass and velocity B. mass and acceleration C. time and velocity D.velocity and acceleration I think the answer is A
Tuesday, October 13, 2015 by Animegirl

Science
which of the following includes the variables needed to demonstrate momentum A. mass and velocity B. mass and acceleration C. time and velocity D.velocity and acceleration I think the answer is A
Tuesday, October 13, 2015 by Animegirl

science
a boat starts sailing on monday 10:00 at harbour A and sail 600 km due north.later it turns due east for a further 420 km to reach harbour B on tuesday at 12:00.what is the total distance travelled from A to B
Tuesday, October 13, 2015 by thabo

science
1.)Ovaries contain A.)Sperms & produce estrogen B.) Sperms & produce testosterone C.)Eggs & produce estrogen D.)Eggs & produce testosterone 2.)The testes produce A.)Sperm & estrogen B.)Sperm & testosterone C.)Eggs & estrogen D.)Eggs & testosterone 3.)After an egg is fertilized...
Tuesday, October 13, 2015 by Adri,

Science
Hi!I wished you can help me with my science fair project.I don't know what to do or which to pick.Please help me.Any suggestion?I'm a fifth grader by the way.I appreciate it a lot. Endless Thanks, Marie
Tuesday, October 13, 2015 by Marie

Science
An air mass of 25°C with a dew point of 10°C has a starting elevation of sea level (0 meters) encounters a mountain range with a peak elevation of 3,000 meters above sea level. At what elevation is the Lifting Cloud Level?
Tuesday, October 13, 2015 by Kate

programing in basic
the computer will accept what statement, if four statements are entered with the same number?
Tuesday, October 13, 2015 by sharon

science
Write down images formed by the following mirrors. a)concave b)convex c)plain mirror
Tuesday, October 13, 2015 by Lavenia

science
A rock sample weight 60N on earth. what would be the weight of the same rock on moon?
Tuesday, October 13, 2015 by Lavenia

science
A drop of mass 2.0 g falls from a cliff of height 1.0 km. It hits the ground with a speed of 50.0 m/s. The work done by resistive force is 1. -10j 2. -12.50j 3. -15.5j 4. -17.50j solution:- I think change in kinetic energy can give me work done. But how to get resistive force.
Tuesday, October 13, 2015 by 911

science
A drop of mass 2.0 g falls from a cliff of height 1.0 km. It hits the ground with a speed of 50.0 m/s. The work done by resistive force is 1. -10j 2. -12.50j 3. -15.5j 4. -17.50j solution:- I think change in kinetic energy can give me work done. B ut how to get resistive force.
Tuesday, October 13, 2015 by 911

science
what is the main difference between lava and magma?
Tuesday, October 13, 2015 by Kelly

Computer litericy
where did the internet originate?
Monday, October 12, 2015 by Sidney

Science
A hypothetical element has two main isotopes with mass numbers of 56 and 59. If 61.00% of the isotopes have a mass number of 56 amu, what atomic weight should be listed on the periodic table for this element?
Monday, October 12, 2015 by Sarah

Science - Physics
Find the x-component of vector v⃗ = (310 m/s , 45 ∘ above +x-axis).
Monday, October 12, 2015 by Shiv

science
I have an essay about landforms on Friday what are some ideas?
Monday, October 12, 2015 by Derick

Science Urgent😖😖😖
Why most organisms reproduce A( organisms must reproduce to maintain genetic similarity in the species B( organisms must reproduce to continue to build genetic diverse city into the species C( organisms must reproduce to continue the species D( organisms must reproduce to ...
Monday, October 12, 2015 by Jirehn

Physical Science
If a skydiver has a forward velocity of 40 m/s, what is the forward velocity after one second? What is the downward velocity after one second?
Monday, October 12, 2015 by Robert

Science
An object has a length of 5.2 cm a width of 3 cm and a height of 1.5 cm what's the volume
Sunday, October 11, 2015 by Tyler

forensic science
if handwriting evidence was not yet considered to be considered to be scientific evidence at the time of united states v. starzecypzel,how was it admissible as reliable evidence
Sunday, October 11, 2015 by chris

Science
a. A human cell is placed in a container of sugar water. Explain what would occur, if the cell membrane is impermeable to sugar. b. Another cell is placed into a container of sugar water. However, this cell has the capability to allow large molecules such as sugar to pass ...
Sunday, October 11, 2015 by Eliza

phyical science
Which of the following phase changes is an endothermic change? A. condensation B. vaporization C. deposition D. freezing
Sunday, October 11, 2015 by sidney

phyical science
Boyle’s law states that the volume of a gas is inversely proportional to its pressure if the A. temperature and number of particles are constant. B. temperature reaches absolute zero. C. number of particles decreases. D. temperature and number of particles are doubled.
Sunday, October 11, 2015 by sidney

phyical science
Which of the following is NOT a pure substance? A. milk B. oxygen C. water D. carbon dioxide
Sunday, October 11, 2015 by sidney

Science/math
Newtons second law of motion states that F =MA Force equals mass multiplied by acceleration. Mass is the constant. It does not change. What is the independent and dependent variable? I put force is independent and acceleration is dependent. Is that right?
Sunday, October 11, 2015 by Katie

natural science
Draw a series circuit that contains : 2 cells in series, volmeter over the battery, an ammeter, closed switch and 2 light bulbs. also show direction of current flow.
Sunday, October 11, 2015 by boitumelo

science
The lift curve of the airfoil of an aircraft is as shown. The weight of the aircraft is 1500 kg. If the stall speed of the aircraft is 60 m/s, determine the wing area.
Sunday, October 11, 2015 by shelly

Math,english,agric,b/sci,PHE,computer,etc
The sum of two consecutive numbers 122.what is the number
Sunday, October 11, 2015 by Awajigbanam

science
am stuck on the titration on maleic acid. am kindly asking for analytical chemistry by skoog.pdf. this assighnment is killing me. thank you
Sunday, October 11, 2015 by rexina

Science
If the spring have a stiffness of 950N/m what workwill be done in exerding the spring be 60mm
Sunday, October 11, 2015 by Alhasan

science
Calculate the work done by the brakes of a car of mass 1000kg when its speed is reduced from 20m/s and 10m/s
Sunday, October 11, 2015 by jaspreet kaur

science
a body B moving a velocity of 20m/s collid with anothet body A moving in the same direction on the same horzontal line with a velocity of 10m/s, if the of body A is three time the same of body B and the collion perfectly elastic calculate the velocity of A and aftet the ...
Saturday, October 10, 2015 by manbud

Science
Hi I've read everything and searched everything and I can't find the answer to this question so... How is iodine-131 and iodine-126 similar and how is it different? Thank you this is stressin me out!
Saturday, October 10, 2015 by ASHLEY

natural science
a fire fighter who weighs 800n climbs a uniform ladder and stops one third of the way up the ladder. the ladder is 5.0m long and weighs 180n. it rest against a vertical nail, making an angle of 53degree with the ground. find the normal and frictional forces on the ladder at ...
Saturday, October 10, 2015 by john lloyd

science
what is necessity of proper cleaning ? sanitation and spraying disinfectants in poultry farms?
Saturday, October 10, 2015 by shehzad

natural science
a 500-n diver stands at the end of 4.0-m diving board. the board is attached by two supports 1.5-m apart as shown below. find the tension in each of the of the two supports if the diving board weighs 150-n
Saturday, October 10, 2015 by john lloyd

Science
An electron travels 1.23 m in 4.66 × 10−8 s. How fast is it traveling? Answer in units of m/s.
Friday, October 9, 2015 by G

pre calc
Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and...
Friday, October 9, 2015 by allexelle

science
light that has a frequency of 1.5 x 1015 Hz.
Friday, October 9, 2015 by joel

Science
How is energy in a ecosystem replenished?
Thursday, October 8, 2015 by Varun

science
An iron cylinder with radius 1.0 cm and length 25 cm has one end held at 250°C and the other at 20°C. Find the heat-flow rate through the cylinder
Thursday, October 8, 2015 by Pam

science
Phosphorus in the soil comes from ?
Thursday, October 8, 2015 by Varun

science
in this experiment, 3 sets of plants were grown. one set had no light, one set had some light, one set had full sun. each set was given the same amount of water, the same temperature, the same soil and it was the same plant and same pot. in 21 days this is the amount of growth...
Thursday, October 8, 2015 by Alexandra

science- physics
A position vector with magnitude 40 m points to the right and up. Its x-component is 32 m . What is the value of its y-component?
Thursday, October 8, 2015 by Laura

Computer Ntwrks
Suppose the information portion of a packet (D in Figure 5.3) contains 10 bytes consisting of the 8-bit unsigned binary ASCII representation of string “Networking.” Compute the Internet checksum for this data.
Thursday, October 8, 2015 by Swetha

science
Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means B. both substances have a set ratio of atoms that can be separated by physical means C. both separated...
Thursday, October 8, 2015 by john

Science
1. Which of the following traits is acquired? A. The number of petals that grow in a plants flower B. the wing shape of a wild bird C. The ability of some gorillas to learn sign language** D. A cheeta’s ability to run faster than any other land animal 2. The height of a ...
Thursday, October 8, 2015 by Aria

science
body parts found in two or more similar species ______ help scientists from theorists about evolutionary relationships plz help
Thursday, October 8, 2015 by kayla ( plz help)

science
Describe the two most important events in the history of animal life that occurred at the beginning and at the end of the Paleozoic era. (2 pts) List and briefly outline the six different periods into which the Paleozoic era is divided.
Thursday, October 8, 2015 by Anonymous

science(bio)
Why did dinosaurs evolve so much earlier than humans?
Thursday, October 8, 2015 by mark

science- physics
Find the x- and y-components of the vector d⃗ = (6.0 km , 31 ∘ left of +y-axis). I worked it out and got 5.14, 3.09 and apparently it's wrong, I don't know what I did wrong.
Thursday, October 8, 2015 by Laura

Science
consider a solid cylindrical disk rotating on an axis through its center. If the angular momentum of the disk increases, what can you conclude?
Thursday, October 8, 2015 by Clara

materials science
An isotropic epoxy resin (E=2GPa, ν=0.3) is reinforced by unidirectional glass fibers (Eglass=70GPa), aligned in the 2 direction, such that the fiber composite is transversely isotropic, with the 1-3 plane being the plane of isotropy. The elastic constants of the fiber ...
Thursday, October 8, 2015 by qwert

science
an isotropic epoxy resin (E=2GPa, ν=0.3) is reinforced by unidirectional glass fibers (Eglass=70GPa), aligned in the 2 direction, such that the fiber composite is transversely isotropic, with the 1-3 plane being the plane of isotropy. The elastic constants of the fiber ...
Thursday, October 8, 2015 by sina

Mechanic Science
A motorcycle starts from rest with constant acceleration of 1.5m/s^2 until it achieves velocity of 15m/s. The motorcycle decelerate until it stop 12s. Determine: 1) the deceleration of motorcycle 2) distance traveled by the motorcycle
Thursday, October 8, 2015 by Abdullah

Physical Science
A 15 g bullet is fired with a velocity of 200m/s from a 6kg rifle. What is the recoil velocity of the rifle?
Wednesday, October 7, 2015 by Lana

HELP SCIENCE ASAP
How are fish, amphibians, reptiles, and birds alike? How are they different? Include at least two similarities and two differences.
Wednesday, October 7, 2015 by Bill

science
What advantage would a backbone give to an animal that lives underwater?
Wednesday, October 7, 2015 by nads

Science- RE-DO
1. White skin (W) is dominant over yellow skin (w) in chickens. Which of the following genotypes would result in a white-skinned chicken that could possibly have yellow-skinned offspring? A. WW B. Ww** C. ww 2. Which of the following describes the genotype and phenotype of ...
Wednesday, October 7, 2015 by Mimmi

Science
1. White skin (W) is dominant over yellow skin (w) in chickens. Which of the following genotypes would result in a white-skinned chicken that could possibly have yellow-skinned offspring? A. WW B. Ww** C. ww 2. Which of the following describes the genotype and phenotype of ...
Wednesday, October 7, 2015 by Mimmi

Science
Hello! I had a question about variations in animals, also known as genetic variations. What is a variation? I cannot find an example or a sturdy definition anywhere. Could someone give me an example of variation in animals? Thank you!
Wednesday, October 7, 2015 by Tim

science
What advantage would a backbone give to an animal that lives underwater? Thank you
Wednesday, October 7, 2015 by nads

Science
Which letter arrows point to hanging valleys? Which letter arrows point to aretes? Name a peak on the map that is a horn. Feature E on the map is composed of glacial till. What type of glacial feature is E, and how did it form? Explain how turquoise lake formed? file:///C:/...
Wednesday, October 7, 2015 by Maya

science
Which of the following explains the relationship between genes and chromosomes. a) Chromosomes come in diffrent versions called genes. b) genes come in diffrent structures called chromosomes. c) Chromosomes are structures that are made up of two versions called genes. d) genes...
Wednesday, October 7, 2015 by jirehn bush

Science
Ms. Sue PLEASE check my answers! 1. Which of the following is not part of the theory of evolution? a. Organisms tend to produce more offspring than can survive to reproductive age. b. Organisms can acquire changes during their lifetime that can help their species survive. c. ...
Wednesday, October 7, 2015 by Blair

Science
What cannot be separated into simpler substances by physical or mechanical methods such as filtering boiling or shifting
Wednesday, October 7, 2015 by Myla

Science
1.)Ovaries contain A.)Sperms & produce estrogen B.) Sperms & produce testosterone C.)Eggs & produce estrogen D.)Eggs & produce testosterone 2.)The testes produce A.)Sperm & estrogen B.)Sperm & testosterone C.)Eggs & estrogen D.)Eggs & testosterone 3.)After an egg is fertilized...
Wednesday, October 7, 2015 by Douglas

Science
which of the following features make earth and venus similar to each other ? (1point ) A . their size and mass b. their rates of rotation c. their atmospheres d. their directions of rotation****
Wednesday, October 7, 2015 by Cami

Science
1) Which of the following statements about the sun's structure is true? The sun has a solid surface The sun has an interior and an atmosphere The sun's interior is similar to the Earth's; it has a core, mantle, and crust*** The sun's outermost layer is called ...
Wednesday, October 7, 2015 by Shalee ^~^

Science
The half life of Uranium-238 against alpha decay is 4.5*10^9 years.Calculate the number of disintegrations taking place in 1gm of the substance.
Wednesday, October 7, 2015 by Anju

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Homework Help: Computers