Monday
December 5, 2016

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Science
The linear momentum of a car and truck are equal.which have more speed
Friday, November 25, 2016 by Ashish

science
A system contains 0.15 m3 of a gas at a pressure of 3.8 bar and 150 C. It is expanded adiabatically till the pressure falls to 1 bar. The gas is then heated at a constant pressure till its change in enthalpy is 70 kJ. Determine the total work done. 
Friday, November 25, 2016 by seeoo

puremaths;geography;life science
what career can i follow if doing this subject
Friday, November 25, 2016 by khumalo lefa

puremaths;geography;life science
what jobs are available for me if doing this subject
Friday, November 25, 2016 by lefa

Science
If The Force Of The Body Is 15 (N) And Travelled In A Particular Direction For 5 Second Calculate The Impulse
Friday, November 25, 2016 by Adebiyi Abiodun

basic science
3 component of environment
Friday, November 25, 2016 by goodness

Environmental Science
(10 Environmental Science questions. Please help correct my incorrect answers) 1. A prion is an infectious, self-reproducing protein structure. (True)<---My Answer False 2. As one organism eats another, toxins can be spread throughout the food chain. (True)<---My Answer ...
Friday, November 25, 2016 by GummyBears18

Science
Calculate the concentrations of the constituent ions in solutions of the following compounds in the indicated concentrations: (a) 0.45 M HBr, (b) 0.045 M KOH, (c) 0.0112 M CaCl2.
Thursday, November 24, 2016 by Anonymous

hisory help
1. Why was the Han period considered a Golden Age of Chinese civilization? (1 point) A. because of the establishment of a Legalist government B. because of the establishment of the Silk Road C. because of the advances made in ironworking and farming D. because of advances in ...
Thursday, November 24, 2016 by Anonymous

Science
Is it possible for scientists to do studies about things that happened millions of years ago? Explain. Please give me an example..!
Thursday, November 24, 2016 by See

Science
A body weighing 150 N, moves with simple harmonic motion. The velocity and acceleration of the body when it is 200 mm from the centre of oscillation, are 5 m/s and 20 m/s2 respectively.Determine (a) amplitude of motion ,no. of vibrations per minute, Periodic time and angular ...
Thursday, November 24, 2016 by Seeoo

Science
Calculate the gram molecular mass of nitrogen if 360cc at STP weigh 0.45g.
Thursday, November 24, 2016 by Chemistry

Science
How does a!@#$%^&roach protect itself?
Wednesday, November 23, 2016 by SCIENCE HELP

Science
A 8.8-kg object is moving at 5.3 m/s. A 7.4-N force is applied in the direction of motion and then removed after the object has traveled 4.7 m. The work done by this force is:
Wednesday, November 23, 2016 by Ahmad

Science
A piece of wood float on water and sinks in a methylated spirits .if the density of the wood is 0.8g/cm,explain why it would float on water and sink in methylated spirits .what can you say about the methylated spirit
Wednesday, November 23, 2016 by Raymond

science
Two rods of equal length and temperature at end of the rods is T1 and T2. What is the condition for equal flow of heat through them
Wednesday, November 23, 2016 by gayathri

English
Unit 4 Lesson 4: Writing Workshop: Compare & contrast essay I have to compare Nethergrave with something that's science fiction, from a book, movie, or even a video game... Any ideas what I should compare Nethergrave with?
Wednesday, November 23, 2016 by Shia LaBeouf

Science
Mammals whose young develop in a pouch on the mother's body are called: a.placental mammals b.monotremes c.marsupials d.gymnosperms thx
Wednesday, November 23, 2016 by Nonya

science
a stone is dropped from the tower of hight 125m; calcute (1) Time taken to reach the ground. (2) Find velocity of stone.
Wednesday, November 23, 2016 by Pankaj Kumar

Science Physics
An air plane flies 20 km in a direction 60 degree west of north then 40 km straight east and then 10 km in a direction 30 degree north of east . How far and at what direction is the plane from the starting point?
Wednesday, November 23, 2016 by Kundan Subedi

science
How much work is done by the system if the internal energy decrease by 100j when 200j applied to the system
Wednesday, November 23, 2016 by Haopu

science
what makes us cry while chopping the onions?
Wednesday, November 23, 2016 by shall

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 ...
Wednesday, November 23, 2016 by mae

science
how many moles of h2 can be prepared from 3moles of Fe ?
Tuesday, November 22, 2016 by kimberly

Math
In Mrs. Wallace's science class one half of the students are boys of the boys 1/8 or left-handed what fraction of the students and Mrs. Wallace's science class are left handed
Tuesday, November 22, 2016 by Yfgjugfhuu

SCIENCE
Calculate the mass % of nacl in a solution containing 1.5g of nacl in 50.0g of water
Tuesday, November 22, 2016 by YIRA

science
which of the following would decrease the human ecological footprint? 1) using bottled water instead of tap water 2) using public transportation instead of riding in a car 3) buying books instead of borrowing from the library 4) using hot water instead of cold to wash clothing
Tuesday, November 22, 2016 by Jaden

Science
A ball of mass 1000g moving with 7m/s impinges another ball of twice its own mass and moving with 1/6th of its own velocity and moves in the opposite direction. If the coefficient of restitution is 0.75, calculate the velocities of the two balls after impact
Tuesday, November 22, 2016 by Hamad

science
How is biodiversity related to human activities that use natural resources? 1) it decreases as humans use natural resources wisely 2) it increases as humans develop sustainable ways of using natural resources.
Tuesday, November 22, 2016 by Jaden

science
What are the similarities and differences between mitosis and meiosis?
Tuesday, November 22, 2016 by Michelle

science
Which of the following will make it harder in the future to develop sustainable methods for humans using resources? 1) there will be fewer renewable resources 2) more humans will populate the earth 3) more humans will recycle mterials
Tuesday, November 22, 2016 by Jaden

science
Suppose a bar 1 m long expands .5 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated? If each one meter expands a half centimeter, then one hundred meters will expand 100*.5cm. Think on that.
Tuesday, November 22, 2016 by malliene

science
1) A null Hypothesis assumes that a process is producing no more than a maximum allowable rate of defective items. The Type II error is to conclude that the process? 2) If 95% confidence limits for the mean Mu turn out to be (6.5,8.5) Plz help me
Tuesday, November 22, 2016 by malliene

Computer Science
FIND the sum and the average of marks of students given in 5 different subjects out of 100 by flowchart.
Tuesday, November 22, 2016 by SACHIN CHAUDHARY

science
a cylinder filled with hydrogen gas at 20 degree atmosphere can with hold 10litres of water .the spherical balloons are to be filled with hydrogen gas such that the radius of each balloon is 5 centimeter .how many balloon can be filled with hydrogen gas from it .
Monday, November 21, 2016 by aanya

science
If a penny prior to 1982 weighted 3.1 grams and a current one weighs 2.5 grams how many pennies weighing 3.1 and 2.5 will I need in a combination of ten in total to have 25 grams??
Monday, November 21, 2016 by Mary

computer
Write an algorithm to enter marks of three subject for 100 students and find average and percentage if age is greater than 20 and less than 25
Monday, November 21, 2016 by shahab

science
A librarian lifts a box of books that weighs 93N a distance of 1.5 m. How much work does he do?
Monday, November 21, 2016 by Anonymous

Science
Go to the place where knowledge sleeps Follow the path that he left behind Where data are tested and facts win out Find what is labeled with a century less two Now name the phantom marked by cross and double lines
Monday, November 21, 2016 by Massiz

Science
1.Which of the following gases was most likely present in Earth's earliest atmosphere? A. nitrogen B. hydrogen* C. argon D. oxygen 2. Which of the following statements accurately describes the development of the geologic time scale? A. Scientists developed the geologic ...
Monday, November 21, 2016 by help me plss

Science plsss help!
1.Which of the following gases was most likely present in Earth's earliest atmosphere? A. nitrogen B. hydrogen* C. argon D. oxygen 2. Which of the following statements accurately describes the development of the geologic time scale? A. Scientists developed the geologic ...
Monday, November 21, 2016 by PLease help me 6 science!!

computer science
In a mobile phone network, how many times as strong would a signal be expected to be at 500 m from a base station, compared with at 250 m? Choose the nearest value from the list below.
Monday, November 21, 2016 by yomi

computer science
A GPS satellite develops a fault whereby it moves into an orbit 19 500 km above the Earth’s surface and also emits a weak signal whose power is only 24 W. What will be the power per square metre of the signal received on the Earth’s surface? Choose the nearest value ...
Monday, November 21, 2016 by yomi

computer science
In a particular phase modulation system, each symbol is able to represent 4 bits. What sort of PSK is being used?
Monday, November 21, 2016 by yomi

Science
Balance chemical equations using the first 20 elements
Monday, November 21, 2016 by Clinton Darlington Yartey

science
if a tank has water to depth of 10m calculate the pressure exerted by it
Sunday, November 20, 2016 by Ava keshari

Life Science Math
Cheetahs are the fastest land mammal. They can accelerate from 0 to 60 mph in 3 seconds. Assuming a cheetah’s acceleration is constant, how far has it run during that time interval?
Sunday, November 20, 2016 by Anonymous

science
tom is marking the locations of active volcanoes on a world map. how the locations of the volcanoes are related to earths plats.
Sunday, November 20, 2016 by carly

material science
A uniform compressive stress ?z is applied to the surface of the metal alloy, and it may be assumed that there is no friction between the alloy and the die. This aluminum alloy has Young’s modulus E=70GPa and a Poisson’s ratio ?=0.33. Determine the value of ?z, in ...
Sunday, November 20, 2016 by karthik

material science
A uniform compressive stress ?z is applied to the surface of the metal alloy, and it may be assumed that there is no friction between the alloy and the die. This aluminum alloy has Young’s modulus E=70GPa and a Poisson’s ratio ?=0.33. Determine the value of ?z, in ...
Sunday, November 20, 2016 by karthik

ACCOUNTING
Budgeting is _______________________________. (Points : 1) A an exact science B going to involve the use of estimates C not going to ever produce a variance if properly prepared D never created using information from a previous period ANSWER B
Saturday, November 19, 2016 by madam

accounting
Budgeting is _______________________________. (Points : 1) A an exact science B going to involve the use of estimates C not going to ever produce a variance if properly prepared D never created using information from a previous period ANSWER B
Saturday, November 19, 2016 by madam

science
What causes the current to move through a battery?
Saturday, November 19, 2016 by shelby

Science
A system comprising blocks, a light frictionless pulley, and connecting ropes is shown. The 9 kg block is on a smooth horizontal table The surfaces of the 12 kg block are rough, with ? = 0.30. In Figure 5.7, the mass M is set so that it descends at constant velocity when ...
Saturday, November 19, 2016 by Ala'a

science
what types of are formed when atoms share electrons unequally
Saturday, November 19, 2016 by Anonymous

Science
How much sugar is needed to reach the point of saturation at 20 degrees celsius?
Saturday, November 19, 2016 by Anonymous

science
A ball is kicked with an initial velocity of 20.0m/s at an angle of 30.0 degrees above the ground. What are the horizontal and the vertical components of its velocity after 1 second?
Friday, November 18, 2016 by Anonyms

science cells
what role does the golgi play in a cell?
Friday, November 18, 2016 by anas harun

science cells
What is the function of the nucleolus in the cell?
Friday, November 18, 2016 by anas harun

Science
suppose that you swat a bee it stings you. jerking your hand away from the bee is a... A) Motor Neuron B) Reflex** C) Stimulus D) Voluntary Motion
Friday, November 18, 2016 by Sid.V

Science
How could the development of a smart grid help protect the environment? a. a smart grid uses only renewable energy sources b. a smart grid burns fossil fuels without producing pollution c. a smart grid connects nonrenewable energy sources, making them renewable d. a smart grid...
Friday, November 18, 2016 by qwerty

ELA
"The Enlightenment and the Scientific Revolution were twin explosions in thinking that made the 17th and 18th centuries one of the most exciting and dynamic eras in European history. People cam to believe the power of human reason apart from the guidance of religion. ...
Friday, November 18, 2016 by Miranda

science
A solution of aqueous ammonia contains 28.0% NH3 by mass. the solution has a density of 0.898g/mL. calculate the volume of this solution required to make 425mLof 0.320M NH3 solution.
Friday, November 18, 2016 by luke

additional maths (maths)
A spot of light is made to travel across a computer screen in a straight line so that, a t seconds after starting, it's distance from the left hand edge (d cm) is given by the function d(t) =7t - t² +2. Find the furthest distance the spot light travels and how long it...
Friday, November 18, 2016 by very urgent, need this today

Science
A boy carries 100N to 500m. How much work is done
Thursday, November 17, 2016 by Snehashree.S

Science
How can geologists identify different types of ammonites? A. by the times of fossilization B. by the size of their gills C. by what they ate at the time D. by differences in their shells
Thursday, November 17, 2016 by Macie

Science
Which type of dating do index fossils provide the most help for? A. carbon-14 B. radioactive C. relative D. absolute
Thursday, November 17, 2016 by Kalie

Science, Biology
Can you teach me how should I answer these questions please.. Why the events are significant? First mammals: First primates: First modern humans:
Thursday, November 17, 2016 by Emma

Science
_____ is useful for dating very old rocks because it has a half-life of 1.3 billion years. A. thorium-232 B. potassium-40 C. uranium-235 D. carbon-14 is the answer D?
Thursday, November 17, 2016 by Kalie

Science
What happens to the mass of a sample containing a radioactive element during its half-life? A. The mass decreases by half. B. The amount of mass is doubled. C. Eventually there is no mass at all. D. The mass remains the same.
Thursday, November 17, 2016 by Kalie

Science
What about athlete's foot?
Thursday, November 17, 2016 by Brielle

science
The heaviest naturally occurring element is
Thursday, November 17, 2016 by kailey

NEED HELP MATH!!!!!!!
I DID ALLL THESE Welcome to Jiskha Homework Help! Post homework questions online and get free homework help from tutors. More than 200 tutors volunteer their time to help over 4,000 students with homework everyday. Students receive answers from teachers in various school ...
Thursday, November 17, 2016 by fudge

science
calculate the number of kilojoule necessary to raise the temperature of 60 gram of aluminium from 35 degree Celsius to 55 degree Celsius.Molar capacity of aluminium is 24 joule per mole per Kelvin?
Thursday, November 17, 2016 by Kausar

computer
palm top is the name of _______?
Thursday, November 17, 2016 by ishika

Math
Mrs. Jones and Mr. Graham had the same amount of money at first. After Mrs. Jones bought a computer that cost $2,055, she had 1/4 as much money as Mr. Graham. How much money did Mr. Graham have? I know that x = y in equation 1. I know that x-2055 = .25G for another. I'm ...
Wednesday, November 16, 2016 by Suh

SCIENCE
HOW IS A PARENT GENERATION OF A FERN DIFFERENT FRON THE GENERATION THAT COMES BEFORE AND AFTER IT
Wednesday, November 16, 2016 by aNGELO

math, science
what are the difference and similarities between math and science
Wednesday, November 16, 2016 by help

Science
How do structures in living organisms compare with structures of nonliving things such as construction cranes, buildings, ships, airplanes, or bridges?
Wednesday, November 16, 2016 by Janelle

science
Which type of energy would the toy have if you pushed it and held the spring in the toy? F) electrical G) kinetic H) potential of I) thermal? ( there is a spring in the toy) I think it is potential energy since the spring is going down.Right?
Wednesday, November 16, 2016 by alessandra

Science
What parts of the earth did glaciers cover during the ice age.
Wednesday, November 16, 2016 by Anonymous

Science (Stoichiometry with Gasses) (Chemistry)
If 1.00 kg of methane (CH4) is burned completely (in excess O2) and the CO2 produced is collected at 20°C and 1.00 atm, what volume (L) will this CO2 occupy??
Wednesday, November 16, 2016 by Ray

Science
How many electrons are present in 0.01 moles of sulphate ion
Wednesday, November 16, 2016 by Shreya

Science
A car starts from an initial velocity of 10m/s and accelerates at 2.5m/s².how long will it take the car to reach a speed of 40m/s.. How far doea the car travel during this time?
Wednesday, November 16, 2016 by Anonymous

science
5. Suppose a skydiver (mass = 75 kg) is falling toward the Earth. When the skydiver is 100 m above the Earth he is moving at 60 m/s. At this point calculate the skydiver’s…….
Wednesday, November 16, 2016 by jeremiah

Science
A Man Wants To See His Own complete image in the mirror.if,the height of the man is h then calculate the length of the mirror?
Wednesday, November 16, 2016 by Mohd Uvais

science
determine the velocity of the truck if it starts from rest and accelerate at 2m/s² in 3.2s
Wednesday, November 16, 2016 by jeff

Moral science
Cooperation
Wednesday, November 16, 2016 by Akshe

science
A body of mass 0.1kg starts to fall freely under gravity from a height of 3m.Calculate its potential and kinetic energy when it is 1m above the groind
Wednesday, November 16, 2016 by Amit

Science
Help pzzzzzz Sound in an empty room can be very loud,with many echoes.Describe three ways to make the room quieter?
Tuesday, November 15, 2016 by Nick

Science
Word that means "flat like a plate "(flat land that Is higher than surrounding land"
Tuesday, November 15, 2016 by Jesse

science
A banana turning brown when exposed to the air is an example of
Tuesday, November 15, 2016 by Emma

Science Ms. sue help
what is the function of a cell wall A) to Protect and support the cell B) to preform different functions in each cell C) to prevent water from passing through the cell D) to prevent oxygen from entering the cell. Help!!!!
Tuesday, November 15, 2016 by valerie

science
an experiment discovered that a particular material was a poor conductor of electricityA. conductor B. insulator C. switch D. resistor
Tuesday, November 15, 2016 by karami

Science
Which of the following may occur during metamorphism? A. The rock becomes less compact. B. Certain minerals may recrystallize. C. Crystals may grow smaller. D. The rock becomes less dense.
Tuesday, November 15, 2016 by Aralyn

HISTORY GOVERNMENT CCA
what characteritics do bureaucracies share? check all that apply Formal rules generalization clearly defined goals chain of command elected staff which of the following is part of the executive branch bureaucracy? the president's cabinet the congressional budget office the...
Tuesday, November 15, 2016 by A.A

SCIENCE
The diagram shows the variation of air pressure from an alarm siren at particular instant. The speed of sound in the air is 340m/s. what is the period of alarm siren.
Tuesday, November 15, 2016 by RITIKA

Math
Liam earns 5% commission on all computer he sells this week he earned $500in commission .how much money did he sells in computers
Monday, November 14, 2016 by Anna

Science
I am doing an Animal project , I need a picture to show how an animal had bilateral symmetry! I couldn't find any pictures that could actually show that. Can you pleas help me? Thank you
Monday, November 14, 2016 by Melody

Science
When is the end of the world
Monday, November 14, 2016 by Rita

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Homework Help: Computers