# Homework Help: Computers: Computer Science

## Recent Homework Questions About Computer Science

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

Science
Let me know if these are biotic abiotic or both Mushrooms,Desert, temperature, mold ,hair,ocean ,trees,rocks, gold plastic, oxygen, tundra

science
. A runner jumps over a hurdle. Neglecting friction, the potential energy of the runner at the highest point compared to his kinetic energy at the lowest point is

SCIENCE
Why is it hot to touch to an incandescent bulb?? Please reply fast. Thank you in anticipation.

math question
Each year, a \$2400 computer depreciates by 25%. By how much will it depreciate in the second year?

science
If eye color is determined by 4 possible genetic combinations,RR-Brown/RL-Brown/LR-Brown/​LL-Blue,what percent of the possible genetic combinations are carriers for the Blue-eyed offspring?

Science
Mass of iron cube having edge length 1.8m is 70g.Find it's density.

science
2 lenses in contact of power 3D and -5D form a composite lens. An object is placed around a distance 50 cm from this composite lens,find the position of the image.

science
5N*2m=

Science
The linear magnification produced by a spherical mirror is -1.Analysing this value state the type of the mirror and position of the object with respect to the pole of the mirror. Draw the ray diagram to justify your answer.

science, Health
RATE of diffusion must be expressed as number of particles moved per unit time. Write this as a word. Can you please teach me this?

science
While conducting the experiment to measure the weight of water displaced by the body precaution should be taken to immerse the solid in water without touching the walls or bottom of the container. Why?

science
If two balls made of iron and aluminium of equal volumes are immersed in a liquid then will they experience equal up thrust? Justify your answer.

science
A ball is projected vertucally upward from ground with avelocity of 20m/s .How high willit go.a 5m b10m c15m d20m e25m correct options of this question.

science
A ball is projected vertucally upward from ground with avelocity of 20m/s .How high willit go.a 5m b10m c15m d20m e25m correct options of this question.

Science
Two point charges q1=4uc& q2=9uc are placed 20cm apart.the electric field due to them will be zero on the line joining them at a distance of

Science
Compare lunar and solar eclipses and answer the following questions: How does a lunar eclipse happen? How does a solar eclipse happen? Which one occurs more often?

science
The wood thrush is a bird species that lives in deciduous forests in North America. Wood thrushes nest in tall trees, forage for insects and snails in decaying leaf litter on the forest floor, and drink water from nearby freshwater sources. Identify one biotic factor and one ...

Language Arts
1. Which of the following sentences has correct subject-verb agreement? A. A scarf or a hat keep you warm in the winter. B. Either Grandma or your brother pick your birthday gifts each year. C. Stacey and her sisters go to the beach every summer.** D. A dog or a cat are a good...

science
Two charges repel each other with a force of 10-5newton when they are 20cm apart. what is the force on each of them are i 3cm apart and ii when they are 100cm

science
An object 4.0cm in height is placed at a 25cm from a concave mirror of focal length 15cm.find the position, nature, and size of image formed.

Science
If 5 equal pieces of 25 ohm (omega) is joined in parallel then what is the equivalent resistance of it. Is it 5 or 1.please urgent

physical science
an object has 2.0x 10^19 more electrons than protons. What is the net electric charge of this object in coulomb?

physical science
a cars radio draws 0.25 A of current in the autos 12 volt electrical system. How much power in watts does the radio use?

Science
Water is a(n) what factor in all ecosystems that all living things require.

Science
How are earth and Venus similar? How is Venus different from Earth? Provide two similarities and two differences.

Science
Roseate spoonbills are wading birds that live in the Everglades of Florida. These birds eat a diet of shrimp fish amphibians and aquatic plants. Which of the following sets of words can be classified for these species? A. Autotroph omnivore predator B. Heterotroph herbivore ...

science
A kid kicks a soccer ball of mass 430g so that the ball moves on a flat rough ground at a velocity of 16m/s towards a stairway. The ball experiences a constant frictional force of 5N over a distance of 200cm. it then hits the stairway and collides elastically with the edge of ...

SCIENCE
a geneticist is studying a pedigree that shows the family history of a recessive genetic disease. which of the following pedigrees shows an impossible relationship.

library science
Factors Affecting the Development of Information resources and services

Science
What would be the effect on the seasons and the northern and southern hemispheres if Earth were not tilted?

science
what is the molar ratio between barium hydroxide and potassium hydrogen phthalate if they were reacted together in an acid base titration

science
An automobile travelling at 80km per hours has tyres of radius 80 cm. On applying brakes the car is brought to a stop in 30 complete turns of the tyres. What is the magnitude of the angular acceleration of the wheels how far does the car move while the brakes are applied

science
A truck of mass 2000 kg moving on a highway experience an average frictional force 800 N. il its speed increase from 25m / s to 35m/s over a distance of 500m. What is the force generated by truck

science
A bullet of mass 20g travelling at speed of 350m per second strike a steel plate at an angle of 30degree with the plane of plate it ricochets off at the same angle at a speed of 320m per second what is the magnitude of impulse that the steel plates gives to the projectile if ...

science
A bullet of mass 20g travelling at speed of 350m per second strike a steel plate at an angle of 30degree with the plane of plate it ricochets off at the same angle at a speed of 320m per second what is the magnitude of impulse that the steel plates gives to the projectile if ...

Science
What abiotic and biotic factors might limit population size and mono lake?

Science
How are the primary pigments related to the primary colors? The primary pigments are: A. Complementary to the primary colors B. Associated with the primary colors C. Unrelated to the primary colors Is the answer A?

Physical Science
Find the hydroxide-ion concentration in an aqueous solution when the hydronium-ion concentration is 1×10^−10M. Recall that 10^a×10^b=10^(a+b). Express your answer to one significant figure and include the appropriate units.

Physical Science
Find a hydroxide-ion concentration in an aqueous solution having a pH of 2. Express your answer using one significant figures. I thought the answer was 1*10^-2, but I have no clue what I am doing wrong.

Science
A professional baseball player pitchers a ball giving it a velocity of 45m/s towards the butter. The batted ball has a velocity of 30m/s towards the pitcher. Let the direction from the batter to the pitcher be the positive direction. If the change in velocity takes place over ...

Science
In the record setting race, a dragster reached a velocity of 145.08 m/s in 4.48s. What was the dragsters average acceleration? Assume that the direction of the velocity is positive.

Science
The image above shows the movement of a wave over three seconds. What is the frequency of the wave? A. 2 hz B. 5 hz C. 1 hz D. 3 hz

SCIENCE
Barry used a ramp to transport a load to a truck. The ramp made work easier by : 1) reducing the size of the input force 2) reducing the input force to zero 3)changing the distance over, which the input force was exerted 4) reducing the output force to zero I think #3

Science
My sister plays her PS4 all day and whenever her remote vibrates while it's sitting on the couch, I can feel the vibration from a different seat. I don't understand how the vibration of a little remote can move throughout a whole, large couch.

SCIENCE
The handle of a tennis racket is enclosed in rubber. What is the function of the rubber handle? 1)to increase energy 2)to increase weight 3)to increase friction 4)to increase force I think # 3

science
how many grams of nacl are required to neutralize 100 ml of 1M h2so4???

Science
Draw a dot plot representative of a flow cytometry test that looks at two markers. One marker is diagnostic, while the other marker is prognostic. Identify and name your markers and their detecting antibodies. Complete the plot as you wish and correctly interpret it.

Science:Just need quick help
I am very tired and can hardly think straight. Thanks in advance to those who help. The amount of each size particle in soil is the particle size distribution. Is putting soil and/or sand in a bottle of water a good way to determine particle size distribution? Why or why not?

Science (HELP ASAP)
1. Which of these is not an environmental effect of building dams A. Reduced fertility downstream<<< B. Weed growth downstream C. Increased water temperature D. Soil erosion upstream 2. Which of these is not an environmental effect of destroying wetlands A.smog B....

Science
Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to identify fractures in metals. Question 1 options: ...

Science
When plants grow toward sunlight they____ A. Live longer B. Get more light C. Get smaller D. Die faster

Science
Which of the following boxes below represent a stable system? Describe how a disturbance to this box would affect it. Use the terms center of mass and equilibrium in your response. Box A: Shaped like a diamond on a flat surface with an arrow pointing downwards. Box B: A square...

physical science
If sam drops a 40 kg mass from a height of 20 meters on earth how much was the potential energy of the mass before he dropped it a-800 j b-784 n-m c-800 n-m d-7840 j e- 200 j

physical science
a 500 kg elevator is lifted 10. How much work was done a 50 j b 50 j /kg c 5000 j d 5000 j/kg degree c

Creating High-Quality Centers
Which of the following statements accurately reflects what we know about facilitating science learning for infants and toddlers? A. It's important to have a science circle each week where the teacher demonstrates a science concept to the infants and toddlers. B. Infant and ...

science
If sam drops a 40 kg mass from a height of 20 meters on earth how much was the potential energy of the mass before he dropped it a-800 j b-784 n-m c-800 n-m d-7840 j e- 200 j

Creating High-Quality Centers
Which of the following teachers is using the computer most effectively? A. "I use the computer to manipulate figures and place the actual hands-on manipulatives nearby." B. "I use the computer so that children can manipulate geometric figures." C. "I believe that my preschool ...

Physical Science
What are the products of a double replacement reaction between potassium bromide and silver nitrate? Name the resulting compounds.

science
1) At body temperature of 36.5 ° C the osmotic pressure of the blood is of 7.80 atm. Calculate the mass of glucose (C6H12O6) that must be added to one liter of a solution containing 5 g / L of NaCl to be able to inject directly into a vein.

science
Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack? I can't give a answer because I am very confused.

science
Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack?

Science
Which of the following would best explain why a species of wildflower native to Switzerland is observed growing in the wild in Montana? Wind dispersed seeds of the wildflower.* Water dispersed seeds of the wildflower. A human brought and dispersed the seeds. Is this right?

maths
In a group of 50students,35 students like only one subject out of english & science.The ratio of students who like both & who dont like both is 1:2.Find the number of students who like both the subject.

science
a car is used to move a crest of mass of 645kg on a horizontal road the horizontal force exerted is 15000n the coefficient of kinetic friction is 0.8 calculate the acceleration of the car

Science
1. What is the main difference between mechanical and electromagnetic waves? A. Mechanical waves involve transfer of energy, electromagnetic waves do not. B. Mechanical waves require a medium to travel in, electromagnetic waves do not.~~~~ C. Mechanical waves have amplitude ...

Science
1. What is the main difference between mechanical and electromagnetic waves? A. Mechanical waves involve transfer of energy, electromagnetic waves do not. B. Mechanical waves require a medium to travel in, electromagnetic waves do not.~~~~ C. Mechanical waves have amplitude ...

Science
1. What is the main difference between mechanical and electromagnetic waves? A. Mechanical waves involve transfer of energy, electromagnetic waves do not. B. Mechanical waves require a medium to travel in, electromagnetic waves do not.~~~~ C. Mechanical waves have amplitude ...

Science
Hybridisation of C in [ CH triplebond C sinlebond CH doublebond CH2 ]

science
Two objects slide over a frictionless horizontal surface. The object A with a mass of 5000g is moves at a speed of 4.5m/s toward the object B (mB= 2500g) which is initially at rest. After the collision, both objects are directed to 30O on either side of the original line of ...

science
Write the structural formula of 2,3,5-trimethyl-4-propylheptane.

science
1 litre of coffee at 80oC need to be cooled to 40oC. Assuming that all the ice melts and no heat is lost to the environment. Take the specific heat capacity of coffee to be 4200J/kgK, density of coffee to be 1000kg/m3 and latent heat of fusion of water to be 3.34 x 105 J/kg. ...

basic science
1 litre of coffee at 80oC need to be cooled to 40oC. Assuming that all the ice melts and no heat is lost to the environment. Take the specific heat capacity of coffee to be 4200J/kgK, density of coffee to be 1000kg/m3 and latent heat of fusion of water to be 3.34 x 105 J/kg. ...

Really quick question

Texas History
What has enabled Texas manufacturers to help the state’s economy become more productive? A. environmentally friendly techniques B. new computer technology C. new labor practices D. population increases How has the oil industry in Houston changed over time? A. It is less ...

Science
The following sphere is responsible for forming the solid shell of Earth that holds up life? -Hydrosphere -Lithosphere -Atmosphere -Biosphere** Explain the interaction between the four main components of Earth's physical systems. Be sure to include the name of each system and ...

Science
where is the crater of the asteroid that killed the dinosaurs

Science
What is the main difference between mechanical and electromagnetic waves? A. Mechanical weaves involved transfers energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves do not***** C. mechanical waves have amplitude and ...

computer programming
Create the logic for a program that accepts input values for the projected cost of a vacation and the number of months until vacation. Both values must be greater than zero. Pass both values to a method named displaySavingsAmt(cost, months) that displays the amount you must ...

science
An elephant of mass 500kg stand with all four feet on the ground.Each foot has an area of 0.08m2.Calculate the pressure exerted on the ground.(g=10/s2)

Science
What is the difference between short-circuiting and overloading? From what I can gather from my textbook, both happen as a result of external resistance being lesser than the sum of internal resistance.

Science - Plate Tectonics
Where does the source of heat for Earth’s convection currents come from

Science-tectonic plates
What occurrence is caused when transform plates get stuck?

science
why does the load reaches 50 meters from the ground will the correct position of the PE and KE that the problem isa crane lifted a 1000 kg load to a height of 50 meters from the ground. at which position are the PE and KE of the load equal

Science
Find molecular mass of an element having- Density= 1.56 gm/l Temp.= 65 degree Celsius Press.= 745mm

pre calc
The population of a Midwestern city decays exponentially. If the population decreased from 900,000 to 800,000 from 2003 to 2005, what will be the population in 2008? Please help I got 670,422 and the computer marked it wrong i then tried rounding it to 671000 but it was still ...

pre calc
The population of a Midwestern city decays exponentially. If the population decreased from 900,000 to 800,000 from 2003 to 2005, what will be the population in 2008? Please help I got 670,422 and the computer marked it round i then tried rounding it to 671000 but it was still...