Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Science
Can wood, silver or yarn light up a light bulb? I think wood can carry a current.
Monday, March 11, 2013 at 11:13pm

Science
How do you do a Leg table in science?
Monday, March 11, 2013 at 8:52pm

English
A worker can hear neighbors tapping on computer keyboards, making telephone calls, and muttering under their breath. Is this right or wrong?
Monday, March 11, 2013 at 3:11pm

science
the team____ won the game is my favorite a. which b. whom c.who d. that
Monday, March 11, 2013 at 2:31pm

science
which rna basr sequence wod produce the amino acid sequence : Valine Proline Alinine a.GCGCGUUG B. GUGCCUGCG C. GUUCCCACU D. GCUCUUGCU
Monday, March 11, 2013 at 2:26pm

science
which rna base sequence would produce the animo acid sequence: Valine ALanine
Monday, March 11, 2013 at 2:15pm

science
the decomposition of h2o2 is first order reation following up the decom position it was found that the remaining h2o2 after 45 min was 15 units from the original concentration57.5 unit calculate the rate constant
Monday, March 11, 2013 at 1:40pm

Science
Describe the apparent motion of the stars and planets that is caused by the revolution and rotation of the earth.
Monday, March 11, 2013 at 1:01pm

science
To find acceleration, subtract the final velocity from the initial velocity and divide by the time. true false I think this is false...?
Monday, March 11, 2013 at 11:49am

Science
When you run around a track at 5 km/h, your velocity is accelerating. true false I think it is true...?
Monday, March 11, 2013 at 11:48am

SCIENCE
when a diorite partially melts, which element(1)............ decreases in the melt as a(2).......... magma forms. I have few options to choose from a)iron b)andesite c)rhyolite d)potassium f)basalt
Monday, March 11, 2013 at 11:13am

science
state Newton's law of cooling.express it mathmatically.
Monday, March 11, 2013 at 9:56am

Physical Science
How do you calculate the number of grams of ice at 32 degrees celsius that can be melted by 1g of steam?
Monday, March 11, 2013 at 12:45am

Physical Science
How do you get the velocity of a roller coaster when you are only given 250.0kg and 2.000x10^4 Joules
Monday, March 11, 2013 at 12:41am

Physical Science
A 1.00 kg block of ice at zero degrees celsius is added to a picnic cooler. How much heat will the ice remove as it melts to water at zero degrees Celsius?
Sunday, March 10, 2013 at 11:05pm

Physical Science
Calculate the number of grams of ice at 32 celsius that can be melted by 1g of 100 degrees celsius steam
Sunday, March 10, 2013 at 11:03pm

Science
Liquid Nitrogen boils at -196 degrees Celsius . What is the temperture on the Kelvin scale ?
Sunday, March 10, 2013 at 10:31pm

Science
Eighty calories must be added to one gram of I've at zero degrees Celsius to melt it. Whst is the approximate mechanical equivalent of this amount of energy?
Sunday, March 10, 2013 at 10:29pm

Physical science
a 5.0 x 10^1g piece of a metal in thermal equilibrium with boiling water is removed and placed in 1.0 x 10^2g of a cooling water bath (specific heat= 1.00cal/g degrees celsius at 20.0 degrees Celsius . The final temperature of metal and the water bath is 28.0 degrees celsius ...
Sunday, March 10, 2013 at 10:19pm

Physical Science
A 250.0 kg roller coaster has 2.000 x 10^4 Joule of potential energy at the top of the hill , if the track is frictionless , what is the coasters velocity at the bottom of the hill?
Sunday, March 10, 2013 at 10:06pm

Physical science
How much work is required to stop a car that is 800.0 kg car that is traveling at 20.0 m/s?
Sunday, March 10, 2013 at 9:53pm

Physical science
How much work is required to stop a car that is 800.0 kg car that is traveling at 20.0 m/s?
Sunday, March 10, 2013 at 9:50pm

science
how much sugar is dissolved in 50grams of a solution if the solution is 20% sugar by mass
Sunday, March 10, 2013 at 9:45pm

Science
What property of water causes a water droplet to be shaped like a dome? Also can you please explain these words? Surface temperature, surface area and surface tension.
Sunday, March 10, 2013 at 7:51pm

physical Science
The Mass Of A Minibus with The Driver is 1500 kg.the Driver Is Moving At A Speed Of 30 m.s When He Notices That The traffic light Ahead Have turned To red.he Applies A Force Of 9000N on the brake pedal. A)calculate his deceleration if the taxi is empty B)how far must he be ...
Sunday, March 10, 2013 at 5:51pm

Physical science
For magnitude of the force is 67n and force of friction is 34n
Sunday, March 10, 2013 at 3:10pm

science
what is qualitative data
Sunday, March 10, 2013 at 3:04pm

science
ms.sue is qualitative data the same thing
Sunday, March 10, 2013 at 2:45pm

science
name two physical properties of an object about which you can gather qualitative data
Sunday, March 10, 2013 at 2:34pm

science
In the laboratory small zircon crystals were separated from granite (K). Isotopic analysis of these zircon crystals gives a 207Pb/235U ratio of 0.45. the half-life of 235U (7.04 × 108 years), estimate the age of the granite in Ma to two significant figures
Sunday, March 10, 2013 at 2:04pm

Science
What is my control in my science experiment I am running mice and hamsters threw a maze to which one can do it faster I can't figure out my control though?
Sunday, March 10, 2013 at 2:02pm

science
could you pl tell me the correct name for a person who sells an animal skin
Sunday, March 10, 2013 at 11:57am

science
There are three particles inside an atom. One of them has zero electric charge. Which one is it?
Sunday, March 10, 2013 at 10:04am

science
There are four forces in nature. Name the four forces and rank them from strongest to weakest.
Sunday, March 10, 2013 at 10:03am

political science
which political ideology would be against abortion, and why?
Sunday, March 10, 2013 at 9:31am

science
how do i find the area for light?
Saturday, March 9, 2013 at 3:55pm

science help?
no table and no diagram for this question a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?......... answer to unit ms^-1 b)What speed would water have to drop below to deposit a 500μm diameter grain of sediment?..............
Saturday, March 9, 2013 at 1:22pm

ENGLISH/MATH/SCIENCE HELP!
Is there any websites for teens to read short stories (or long), then you answer ONLY multiple choice questions, grade you, and to have a profile or something to see all of your grades if your making progress each time (to see if your improving). I want to improve my reading ...
Saturday, March 9, 2013 at 12:22pm

science help?
a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?................ms^-1 b)What speed would water have to drop below to deposit a 500μm diameter grain of sediment?................ms^-1
Saturday, March 9, 2013 at 5:38am

Science need help
all but one of the following statement about the melting and crystallization of magmas is correct.identify the one statement that is incorrect. 1)the presence of water decreases the melting temperature of magma. 2)the upper part of magma in a magma chamber will be richer in ...
Saturday, March 9, 2013 at 4:29am

minning science
calculate the pH at 25 degrees of 0.080 mol dm^-3 HNO3
Saturday, March 9, 2013 at 3:13am

science
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that would be great so i can follow along! Identify the spectator ion(s) in the reaction Zn(OH)2+ H2SO4→ZnSO4+ 2H2O in aqueous solution. 1....
Saturday, March 9, 2013 at 12:58am

reading
Yes skateboarding is not only a sport but a science rewrite and add commas if needed I wrote > Yes, skateboarding is not only a sport but a science.
Friday, March 8, 2013 at 5:21pm

Math
Mr.Quakers science class has a 16 gallon aquarium that is 3/5 full. How much water is needed to fill it?
Friday, March 8, 2013 at 5:11pm

Reading
As they studied the film they noticed some rules of science at work. rewrite each sentence, adding commas where needed. I rewrote it like > As they studied the film, they noticed some rules of science at work.
Friday, March 8, 2013 at 4:54pm

SCIENCE
What is the last stage of the water cycle? Select one: a. Transpiration b. Evaporation c. Condensation Question 2 Which of the following shows the correct order of processes that caused water from the pond to collect on the inside of the terrarium? Select one: a. Evaporation ...
Friday, March 8, 2013 at 3:29pm

SCIENCE
Which of the following processes has caused a decrease in the atmospheric carbon dioxide in the terrarium? Select one: a. Respiration b. Extraction c. Combustion d. Photosynthesis
Friday, March 8, 2013 at 3:18pm

L0velyLayna
Electrons involved in a ( BLANK ) bond are shared unevenly. Nonpolar Polar Double Metallic
Friday, March 8, 2013 at 1:06pm

Science
A car is moving at a constant velocity when it is involved in a collision.the car comes to rest after 0.45sec with an average acceleration of 65,0 m/s2 in the direction opposite that of the car's velocity. What was the speed ,in km/h, of the car before the collision?
Friday, March 8, 2013 at 12:56pm

summarize
Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some decisions are simple, ...
Friday, March 8, 2013 at 11:09am

Science
What volume of ethanol must be diluted with water to prepare 768 mL of 0.873 M solution? The density of ethanol is given as 0.789 g/mL. Answer in units of mL
Friday, March 8, 2013 at 12:51am

Lang. Arts
Rewrite sentence and place commas where necessary. Yes skateboarding is not only a sport but a science. I wrote: Yes, skateboarding is not only a sport, but a science. I was wrong...can you please help me by correcting.
Thursday, March 7, 2013 at 11:17pm

English
Write ten sentences about different people places or things. Begin each sentence with a compound subject. Make sure the compound subject and the verb agree. 1.My friend and I go to the park on the weekend. 2.Lance and Darren don't want to go to the party. 3.Hot Topic and ...
Thursday, March 7, 2013 at 9:42pm

science
is diamond a compound?
Thursday, March 7, 2013 at 9:25pm

Science- chemistry
fuzzy silver coating is impure silver. it can be converted back into silver nitrate by reacting it with nitric acid what has been done to the reaction mixture to recover solid silver nitrate?
Thursday, March 7, 2013 at 8:54pm

English
Circle the verb that agrees with the subject of each sentence below 1.Neither my coat nor my dresses (is are) in the suitcase. are 2.Dell and Amy really (like likes) science like 3.The St. Bernard and the terrier (play plays) together play 4.Either the cheese or the fish (is ...
Thursday, March 7, 2013 at 7:27pm

Science
how would tides be different if the moon revolves as fast as the earth rotate
Thursday, March 7, 2013 at 7:25pm

Physics-VASTS
The Mass Budget: Mars Reconnaissance Orbiter Repair Mission Operational Concept Math Problem: The Mars Reconnaissance Orbiter (MRO) has encountered a failure in its High Resolution Imaging Science Experiment (HiRISE) camera. Mission Case: As the HiRISE camera contains the ...
Thursday, March 7, 2013 at 4:29pm

science
How do blood O2 levels, CO2 levels and PH effect ventilation? Where are the receptors that monitor blood gases located and what do these receptors actually respond to? What blood gas is most closely monitored by the body? Given what you know about blood gases, please explain ...
Thursday, March 7, 2013 at 12:49pm

Science
The maximum number of electrons in the second energy level of an atom is ____. two four eight ten The number of _____ is equal to the atomic number. protons neutrons electrons both a and c
Thursday, March 7, 2013 at 12:30pm

Science
In an atom, electrons ____. are located in the nucleus are paired with neutrons are located in the electron cloud are always in the same place
Thursday, March 7, 2013 at 12:29pm

Science
Detiels about snakes
Thursday, March 7, 2013 at 7:10am

science
Describe one benefit of the transpiration stream of a plant:
Thursday, March 7, 2013 at 5:46am

Exam: 986109RR - CHOOSING YOUR BUSINESS
1. The servers at Gerry Frasier's busy ice cream shop decided that putting more ice cream in the sundaes and cones would bring back more customers. After three months, Gerry was surprised to discover that his profit had A. increased, although sales had dropped. B. ...
Thursday, March 7, 2013 at 5:00am

Science
Why can the electronic configuration of some transition element not be written like this;Mg=(Ne)3s2
Thursday, March 7, 2013 at 1:59am

Cultural Anthrolpogy
The field of computer technology could be used to illustrate that culture is
Wednesday, March 6, 2013 at 11:09pm

english 3
Look up the following words. Give the etymology of each. State what kind of term, such as mathematical, scientific, political science, history, etc. Include the name of the dictionary consulted as well as the publisher and publishing date. ideological: constructivist: Marxist...
Wednesday, March 6, 2013 at 10:40pm

Please help check physical science!
Please help check my answers I really want to make a 100%! 1. A mechanical wave moves through a medium, which can be (1 point) A. a liquid. B. a solid. C. a gas. D. all of the above <-- This one 2. Which type of kind of wave causes the medium to vibrate only in a direction ...
Wednesday, March 6, 2013 at 10:26pm

science
114.0 g of water is heated using 67.0 W of power with perfect efficiency. Ho long will it take to raise the temperature of the water from 15 C to 25 C?
Wednesday, March 6, 2013 at 9:14pm

science
what are three states of matter
Wednesday, March 6, 2013 at 8:39pm

science
is the use of cadavers a positive thing for society
Wednesday, March 6, 2013 at 4:30pm

Science
Describe two features of internal anatomy that distinguish monocot and dicot roots.
Wednesday, March 6, 2013 at 3:20pm

Integrated Science
What is the acceleration of a car when the engine exerts 20000 N of force, road friction is 10000 N and the mass of the car is 2000 kg?
Wednesday, March 6, 2013 at 3:05pm

science
The driving pulley of a motorbike rotates at 3 r/s and has a diameter of 300mm. The pulley exerts an effective force of 2000N at a point on its periphery. Calculate the turning moment and the power in Kw .
Wednesday, March 6, 2013 at 3:03pm

science
A-4.0 uC charge is located0.30m to the left of a +6.0 charge. What is the magnitude and the direction of the electrostatic force on the positive charge
Wednesday, March 6, 2013 at 2:48pm

science
a man pushes a lawnmower of mass 50kg at a constant velocity over a horizontal lawn.he exerts a push of 200n on the handle a t angle of 60 to the horizontal..Dertemime the vertical componet of this force and determine the horizontal component of this force
Wednesday, March 6, 2013 at 1:42pm

science
mara is preparing an experiment using three cups - one made of paper, one of plastic, and one of glass- as shown below. she plans pouring 50 ml of hot water from a pitcher into each of three cups and recording the temperatures in 5- minute intervals. what is the independent ...
Wednesday, March 6, 2013 at 1:00pm

science
Explain what is meant by source to sink flow in phloem transport.
Wednesday, March 6, 2013 at 12:52pm

Science
Explain why it is necessary for phloem to be alive to be functional,whereas xylem can function as dead tissue:
Wednesday, March 6, 2013 at 12:48pm

science
Name three environmental conditions that increases the rate of transpiration in plants,explaining how they operate:
Wednesday, March 6, 2013 at 12:45pm

Science
Where is most of an atoms mass locted?
Wednesday, March 6, 2013 at 12:30pm

Science
Why does friction never speed an object up?
Wednesday, March 6, 2013 at 11:24am

science
Describe two differences between xylem and phloem.
Wednesday, March 6, 2013 at 6:56am

Science
If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?
Wednesday, March 6, 2013 at 4:25am

Science
If 15gram of potassium trioxochlorate V is heated in the presence of MnO2.What is the mass of chloride produce?
Wednesday, March 6, 2013 at 4:24am

Physical Science
A sedan weighing 4000 pounds travelling at 30mph collides head on with a compact car weighing 2000 pounds and travelling in the opposite direction at 45 mph. What is the resultant velocity of the combined vehicles?
Wednesday, March 6, 2013 at 3:34am

Science
A box that is initially at rest is pushed by a person at an angle 0 with a force F until it reaches a speed of v. The coefficient of kinetic friction between the box and the surface is U. Is this: work done by person equal to magnitude of friction F work done by person greater...
Wednesday, March 6, 2013 at 12:45am

computer science
). Find the median of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the median, and a subprogram to output the result.
Tuesday, March 5, 2013 at 11:36pm

Physical science
When a crate slides down an incline at a constant velocity it is
Tuesday, March 5, 2013 at 10:00pm

Science
calculate molarity if H3PO4 from phenolphthalein titre (21ml) assuming it to be dibasic H3PO4 + 2NaOH ---> Na2HPO4 + 2H2O
Tuesday, March 5, 2013 at 6:20pm

science
Suppose you wanted to produce 1.17 L of a 3.41 M aqueous solution of H2SO4. How many grams of solute are needed to make this solution? (H2SO4)
Tuesday, March 5, 2013 at 6:12pm

English help
add the comma to the sentence As they studied the film they noticed some rules of science at work i wrote mine like this As they studied the film, they noticed some rules of science at work
Tuesday, March 5, 2013 at 4:39pm

science physice
ascending with acceleration of 0.2m/s
Tuesday, March 5, 2013 at 2:51pm

Science
According to Newton's second law of motion____. F = mv F = m/a a = Fnet /m F = ma
Tuesday, March 5, 2013 at 2:49pm

science
For each of the following, choose the option that applies to case-control studies: a. The investigator's role regarding exposure: A assign B observe b. Subject selection into groups: A self-selection B randomization d. Directionality: A backwards B forwards C non-...
Tuesday, March 5, 2013 at 2:19pm

computer
the cost of 12 pencils is rs20.25 . dead a flowchart to calculate the cost of 1 pencil. tell the flowchart of this
Tuesday, March 5, 2013 at 9:18am

science
What happens if water is lost from the leaves faster that it is taken up the roots?
Tuesday, March 5, 2013 at 8:35am

Science
Does all the water which rises up a plant escape through the leaves?
Tuesday, March 5, 2013 at 8:33am

SCIENCE 8 PLEASE HELP!!!!!! (ASAP!)
HW - Bring in a weather map plz help....do i have to get an old one or .... idk please help
Monday, March 4, 2013 at 10:27pm

science
A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of 4 degrees celcius to a final temperature of 65 degree celcius. The steam enters the heat exchanger as 50% quality steam and exits as water condensate...
Monday, March 4, 2013 at 8:02pm

Science
How does the temperature change in the sun's atmosphere differ from the temperature change in the sun's interior?
Monday, March 4, 2013 at 7:37pm

physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
Monday, March 4, 2013 at 4:55pm

engineering science N4
Two ships leave port simultaneously. Ship A sails north-west at 30 km/h and ship B sails S 40 degrees W at 30 km/h. Calculate the velocity of ship B relative to the velocity of ship A.
Monday, March 4, 2013 at 1:57pm

science
If you are titrating 25.00 mL of a 1.00mg/ml CaCO3 solution, how many mL of 0.010M EDTA solution will be required to reach the equivalence point
Monday, March 4, 2013 at 10:32am

Science
How do i obtain the vapor pressure of Molten syrup?
Monday, March 4, 2013 at 2:42am

Science
Which symbiotic relationship is connected with “mutualism”? Select one: a. Mistletoe b. Aphids c. Orchids
Sunday, March 3, 2013 at 9:01pm

Physics science 1206
You are coasting on your skateboard at 1.4 m/s and you decide to speed up. if you accelerate at 05 m/s2 (square) for 7.0s what is your final speed?
Sunday, March 3, 2013 at 6:18pm

science
a river does 6500J of work on a water wheel every second.The wheels efficiency is 12 percent.A)How much work in joules can the axle of the wheel do in a second? B)What is the power output of the wheel?
Sunday, March 3, 2013 at 6:02pm

science
what combination of mediums will produce a stright line of light? how do you correct for hyperopia? how do you correct for myopia? what kind of people have an astigmatism? what part of the eye act as a lens and what part acts as a screen? how do different types of lenes bend ...
Sunday, March 3, 2013 at 4:00pm

Science
Why does the downhill-race bike look the way it does, what stuff does it have which normal bikes dont and what magnitude of force and dynamic loads effect the bike. please help
Sunday, March 3, 2013 at 2:48pm

physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
Sunday, March 3, 2013 at 2:36pm

physical science
10. A balloon has a volume of 0.5 L at 20°C. What will the volume be if the balloon is heated to 150°C? Assume constant pressure and mass.
Sunday, March 3, 2013 at 2:03pm

physical science
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of Mt. Everest?
Sunday, March 3, 2013 at 2:03pm

physical science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
Sunday, March 3, 2013 at 2:02pm

science
After a sled passed over a snowy path on a hill, the grass or dirt under the snow may begin to show through where the sled has traveled, why?
Sunday, March 3, 2013 at 1:59pm

Basic Chemistry (Science)
Determining Chemical Formulas? This was on my test a few days ago for Basic Chemistry, I received 8/20 and I'd really like to see how to work these problems out. *PLEASE SHOW WORK*. Their are four parts to this, If anyone could answer all four with easy explanations and ...
Sunday, March 3, 2013 at 1:35pm

science
How do i plot i schild plot with this data: Conc (M) 10^-8 Ec50= (microM) 12
Sunday, March 3, 2013 at 12:33pm

7th grade science
Q: a species of rodent lives in a moist forest. over time, the climate changes and becomes drier and more desert-like. which of these adaptations is most likely to improve the chances that the species will survive as its environment changes? Answer choices: ---------------- A...
Sunday, March 3, 2013 at 12:22pm

science
Q: which of these conditions is least likely to cause a species to become extinct due to environmental changes? A: -less genetic variation -more genetic variation -specific food preferences -more competition for food
Sunday, March 3, 2013 at 11:58am

science
ANSWER to the qestion what is the density of a baseball be if the volume is400mL and the mass is 350g.
Sunday, March 3, 2013 at 11:46am

Science
Why does the downhill-race bike look the way it does and what magnitude of force and any dynamic loads effect the bike. please help
Sunday, March 3, 2013 at 11:38am

Earth Science
Which horizons are composed of unweathered rocks, weathered rocks, young soil, and q well-developed soil?
Sunday, March 3, 2013 at 10:45am

Science
3. Which of the following conditions would likely cause the activation energy to be high? A.atoms are close together B.the temperature is hot C.atoms are not close together * D.a catalyst is present 4. Which of the following materials will burn the fastest in open air? A.a log...
Sunday, March 3, 2013 at 12:30am

physical science
Hypothesize how the pH of white vinegar would change if an ammonia solution was added to it a drop at a time. White vinegar has a pH of 3.1
Saturday, March 2, 2013 at 4:33pm

chemistry
Determining Chemical Formulas? This was on my test a few days ago for Basic Chemistry, I received 8/20 and I'd really like to see how to work these problems out. *PLEASE SHOW WORK*. Their are four parts to this, If anyone could answer all four with easy explanations and ...
Saturday, March 2, 2013 at 3:35pm

Science
Calculate the wavelength of a proton with energy 2.45 eV. Enter the numerical value in m
Saturday, March 2, 2013 at 1:30pm

Science
Calculate the wavelength of a photon with energy 2.45 eV. Enter the numerical value in m
Saturday, March 2, 2013 at 1:29pm

Science
An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.
Saturday, March 2, 2013 at 1:27pm

Science
Calculate the wavelength, λ, in meters of a photon capable of exciting an electron in He+ from the ground state to n = 4.
Saturday, March 2, 2013 at 1:27pm

Science
Determine the minimum electric potential difference (in volts) that must be applied to accelerate an α-particle so that on interaction with a hydrogen atom, a ground state electron will be excited to n = 6.
Saturday, March 2, 2013 at 1:27pm

Science
A photon with a wavelength (λ) of 3.091 x 10–7 m strikes an atom of hydrogen. Determine the velocity (in meters/second) of an electron ejected from the excited state, n = 3.
Saturday, March 2, 2013 at 1:26pm

Science
Which atom or ion would you expect to have the smallest radius? Ne F- Na+ Ne-
Saturday, March 2, 2013 at 1:24pm

science
information on sicled cells disease how they work,how do you get it etc
Saturday, March 2, 2013 at 12:34pm

windows 7
A ________is software that installs and sets up programs to run on your computer. A.intitator B.installer c.downloader d.applicator
Saturday, March 2, 2013 at 12:09pm

computer
Using pseudocode, write a program on how you turn a corner in an automobile. Note that there is a stop sign in the intersection. Determine the logical steps involved and write the pseudocode. Consider the following questions when completing your assignment: • What are ...
Saturday, March 2, 2013 at 12:54am

physical science
You wish to heat 30 kg of water from 60°C to 80°C. How many kcal of heat are necessary to do this? To how many kJ does this correspond?
Saturday, March 2, 2013 at 12:26am

science
Suppose that the 1.3 km span of the golden gate bridge had no expansion joints. Calculate how much longer the bridge would be if the temperature of the bridge increases by 35 degrees celsious
Friday, March 1, 2013 at 7:43pm

science
a cheetah runs at a speed of 30.0m/s. How long does the cheetah take to run 90.0m
Friday, March 1, 2013 at 5:43pm

Physical Science
ok so i keep getting one wrong on a 4 question test and failing so can someone tell me what im getting wrong 1. What causes an electric current in a wire? A. Electric fields cause atoms to move in the wire. B. Electrons flow because of electrical attraction and repulsion. C. ...
Friday, March 1, 2013 at 5:03pm

science
Which of the following is true about an object that floats in water? (1 point) The object is less dense than frozen water. The mass of the object is less than that of water. The density of the object is less than that of water. The volume of the water is greater than the ...
Friday, March 1, 2013 at 4:32pm

science
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of Mt. Everest?
Friday, March 1, 2013 at 4:08pm

science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
Friday, March 1, 2013 at 4:08pm

Science
If there was zero change in Earth’s eccentricity, how might that affect the possibility of an ice age?
Friday, March 1, 2013 at 12:52pm

science
A substance has a mass of 12.5 grams and a volume of 9.8 ml.Will the object sink or float in water?
Friday, March 1, 2013 at 11:51am

Science
How do mutations lead to cancer?
Thursday, February 28, 2013 at 11:30pm

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