Tuesday

August 30, 2016
**Geometry**

The area of a rectangular space is 128 square feet. What are the possible pairs of whole number dimensions in feet?
*Wednesday, March 25, 2015 by George*

**Spanish**

What is UOLSRRSEDELO unscrambled? The word is a spanish word and is written as: _ _ _(space) _ _ _ _ _ _ _ _ _ Thanks!
*Wednesday, March 25, 2015 by Jacob*

**biology**

Economists were thinking that if the human population grew unchecked, there wouldn’t be enough living space and food for everyone. What was Malthus’ conclusions?
*Wednesday, March 25, 2015 by Ariel *

**Physical Science**

I have no idea how to do this, and I'm not sure what the formula is. Here's my question: In space, there is almost no air, so there is virtually no friction. If an astronaut throws a ball in space with an initial velocity of 3.0 meters per second to the west, what ...
*Tuesday, March 24, 2015 by Lindsey*

**Needs help in math**

1. During a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3600 meters, find the total distance of the triathlon route. 2. A square foot of wall space needs 1/8 quart of paint. Terrence has 7 ...
*Tuesday, March 24, 2015 by Anika*

**Physical science**

An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronaut's mass is 100kg. He takes a 1kg "safety weight" and shoves it away in exactly the direction of his motion at a speed of 6m/s. at what speed does the ...
*Monday, March 23, 2015 by Clarke*

**Science Check Please Dr.Bob222**

I am sorry would..Hopefully this would make it easier 1. Your ____ is your first line of defense against pathogens. brain heart large intestine skin * 2. Blood vessels help regulate your body's temperature. When it's cold, your blood vessels ____ to decrease blood flow...
*Monday, March 23, 2015 by YOLO*

**Science Check Please**

1. Your ____ is your first line of defense against pathogens. brain heart large intestine skin 2. Blood vessels help regulate your body's temperature. When it's cold, your blood vessels ____ to decrease blood flow and retain heat. boil constrict cool down expand 3. The...
*Monday, March 23, 2015 by YOLO*

**MEDICAL CODING**

Use the CPT, ICD-9-CM, and ICD-10-CM manuals to assign the appropriate procedure, modifier, and diagnosis codes to the following case scenario. Preoperative Diagnosis: Right Pneumothorax Postoperative Diagnosis: Same Procedure Performed: Placement of anterior chest tube (...
*Sunday, March 22, 2015 by MEHUL*

**heat transfer**

the temperature in deep space is close to absolute zero,which presents thermal challenges for the astronauts who do space walks.propose a design for the clothing of the astronauts that will be most suitable for the thermal environment in space.defend the selections in your ...
*Sunday, March 22, 2015 by whj*

**critical thinking**

Which of the following is not a way to succeed in college? A. Be flexible with planning activities B. avoid procrastination C. establish realistic goals for yourself D. organize a work space my answer is b.
*Sunday, March 22, 2015 by Saddia*

**physics**

The five engines of the first stage of a launch vehicle provide a total thrust of 31.5 x 106 newtons to the space vehicle (launch vehicle and spacecraft). Assuming the acceleration is uniform, calculate the acceleration of the 2.764 x 106 kg space vehicle after lift-off. The ...
*Saturday, March 21, 2015 by baz*

**Art Appreciation**

Which of the following statements is an accurate description of Pop Art? (Answer is not D) A. Painting and sculpture that is self-sufficient and has no subject matter, content, or meaning beyond its presence as an object in space B. Art created by artists who believe that no ...
*Thursday, March 19, 2015 by Bandini12*

**French, foreign language**

Read each definition and write the appropriate word or expression in the space provided. 1. C'est un plat typiquement français. On les prépare avec du beurre et de l'ail. Ce sont un escargot . (incorrect) 4.On les utilise pour faire des omelettes. Ce sont...
*Wednesday, March 18, 2015 by Alex*

**language arts**

1. in diary of anne frank, act 1, what causes the franks and the van daans to move into the rooms on the top floor of the ware house? A. Their own homes have been desroyed by bombs. ***** B. They are hiding from the Nazis, who have been persecuting Jews. C. The warehouse has ...
*Wednesday, March 18, 2015 by jamie*

**earth**

When earth is seen from outer space,it looks mainly blue. This is because most of the earth is covered with.
*Saturday, March 14, 2015 by leslie*

**Statistics**

80. Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has space available for 30 students, eight classes have space for 60 students, one class has space for 70 students, and four classes have space for 100 students. a. What is the...
*Friday, March 13, 2015 by Howard*

**Computer Science**

You try to run the CHKDSK utility from a command prompt but you keep getting an error message that you need to run it in Elevated Mode. How do you correct this? Reboot the computer in SAFE Mode and then run CHKDSK from a command prompt. Open command prompt from the Windows ...
*Thursday, March 12, 2015 by Ally*

**science**

What advantages of space probes
*Wednesday, March 11, 2015 by kevenhotdog74@*

**chemistry**

why water expands when it freezes? Water expands when it freezes because it starts to bend. when all the water molecules are in this hexagonal structure, the same amount of water takes up more space than when the molecules are randomly arranged. For example- In the ocean ...
*Wednesday, March 11, 2015 by Ciaria *

**math**

The numbers 7, 8, 9, and 11 are written on separate pieces of paper and put into a hat. Two pieces of paper are drawn at the same time and the product of the numbers is recorded. Find the sample space.
*Monday, March 9, 2015 by Anonymous*

**Math**

You have a rectangular yard that has perimeter of 72 meters. The current area is between 300 and 350. What are the dimensions of your current fenced in space
*Monday, March 9, 2015 by Monica *

**physics**

if a monochromatic beam of light with a wavelength of 590 nanometers is traveling through air then enters a region of space where the index of refraction is 1.5, what will the light beam do? increase, decrease, or stay the same?
*Sunday, March 8, 2015 by sue*

**astronomy**

The peak luminosity of a white dwarf supernova is around 10^10LSun and it remains above 10^8LSun for about 150 days. In comparison, the luminosity of a bright Cepheid variable star is about 10000LSun.The Hubble Space Telescope is sensitive enough to make accurate measurements ...
*Saturday, March 7, 2015 by Landy*

**Chemistry**

The Russian Mir space station used a chemical oxygen generator system to make oxygen for the crew. The system ignited a tube of solid lithium perchlorate (LiClO4) to make oxygen and lithium chloride (LiCl): LiClO4 (s) ---> 2O2 (g) + LiCl (s) If you have 500 g of LiClO4, ...
*Friday, March 6, 2015 by O*

**physics**

A worker applies a torque to a nut with a wrench 0.485 m long. Because of the cramped space, she must exert a force upward at an angle of 57.0° with respect to a line from the nut through the end of the wrench. If the force she exerts has magnitude 81.5 N, what magnitude ...
*Friday, March 6, 2015 by alba*

**Math**

1/3divided by 4= 12 I made a model that has 4 sections and each space has 3 1third sections
*Thursday, March 5, 2015 by Beverly*

**L,A**

In The Diary of Anne Frank, Act 1, what causes the Franks and the Van Daans to move into the rooms on the top floor of the warehouse? A. Their own homes have been destroyed by bombs. B. They are hiding from the Nazis, who have been persecuting Jews. C. The warehouse has more ...
*Wednesday, March 4, 2015 by Anonymous*

**Physics **

A worker applies a torque to a nut with a wrench 0.430 m long. Because of the cramped space, she must exert a force upward at an angle of 59.5° with respect to a line from the nut through the end of the wrench. If the force she exerts has magnitude 81.0 N, what magnitude ...
*Wednesday, March 4, 2015 by Reina*

**linear(hw check)**

determine if v1= [ 2 1 0] v2=[ -1 1 3] v3=[ 0 -1 6] spans the vector space of rows with three real entries which has dimension 3. so I wanted to make sure I did this correct. First I created a matrix with v1,v2,v3 as the columns (so for example column 1= 2 1 0 then I created ...
*Wednesday, March 4, 2015 by kirsten*

**Physics**

Energy Budget for a Rocket in Free Space: Recall the analysis of the rocket engine in Project I, Flight of the Rocket. Although the momentum of the rocket and its exhaust is conserved (constant), their energy is not; energy must be supplied by the combustion of fuel. WARNING: ...
*Wednesday, March 4, 2015 by Steve*

**Physics**

Energy Budget for a Rocket in Free Space: Recall the analysis of the rocket engine in Project I, Flight of the Rocket. Although the momentum of the rocket and its exhaust is conserved (constant), their energy is not; energy must be supplied by the combustion of fuel. WARNING: ...
*Tuesday, March 3, 2015 by Steve*

**science**

I need help checking my answers. the * stands for my answer some of them im not sure about my orginal answer for 2 was b but I changed it to a. 1. which of the following planets is considered a rocky, or terrestrial, planet? venus neptune saturn uranus * 2. which of the ...
*Monday, March 2, 2015 by watguy!!!*

**English**

In The Diary of Anne Frank, Act I, what causes the Franks and the Van Daans to move into the rooms on the top floor of the warehouse? A. Their own homes have been destroyed by bombs. B. They are hiding from the Nazis, who have been persecuting Jews. C. The warehouse has more ...
*Monday, March 2, 2015 by help?thanks*

**geometry**

A cylinder has a height of 16 cm and a radius of 5 cm. A cone has a height of 12 cm and a radius of 4 cm. If the cone is placed inside the cylinder as shown, what is the volume of the air space surrounding the cone inside the cylinder? (Use 3.14 as an approximation of ð.)
*Monday, March 2, 2015 by Mary*

**Algebra 2 Honors**

Hi, I'd like some help with one of the questions on my math homework. It has to do with a right triangle. I'm not sure how to set it up or if I should use the pythagorean theorem. This is the question: Vista county is setting aside a large parcel of land to preserve it...
*Sunday, March 1, 2015 by Spectrum*

**math vectors**

Use a specific example to prove that the cross product is also not associative. That is, use three specific vectors in 3-space to show that Vector a×(Vector b × Vector c) is not equal to (Vector a × Vector b) × Vector c. Can you help me think of an ...
*Friday, February 27, 2015 by Adiana*

**linear algebra**

Let V be the set of all real-valued continuous functions defined on R1. If f and g are in V, we define f ⊕ g by (f ⊕ g)(t) = f(t) + g(t). If f is in V and c is a scalar, we define c f by (c f)(t) = cf(t). Then V is a vector space, which is denoted by C(−&#...
*Thursday, February 26, 2015 by kirsten*

**math**

let V be the set of all real-valued continuous functions defined on R1. If f and g are in V, we define f ¨’ g by (f ¨’ g)(t) = f(t) + g(t). If f is in V and c is a scalar, we define c f by (c f)(t) = cf(t). Then V is a vector space, which is denoted by C(&#...
*Thursday, February 26, 2015 by sara*

**math**

Which of the following subsets of the vector space Mnn are subspaces? (a) The set of all n × n symmetric matrices (b) The set of all n × n diagonal matrices (c) The set of all n × n nonsingular matrices
*Wednesday, February 25, 2015 by kirsten*

**English**

Can someone please explain this poem to me and also the literary devices used? Thanks! "Like This" If anyone asks you how the perfect satisfaction of all our sexual wanting will look, lift your face and say, Like this. When someone mentions the gracefulness of the ...
*Wednesday, February 25, 2015 by Sarah*

**science**

CAN ONE IN THEORY OR ACTUAL DEPRIVE A PARTICULAR AREA OF SPACE; 1sq mile of space of oxygen while the surrounding area of space has normal levels of oxygen?.... This question is not limited by the use of other chemicals or machinations to achieve GOAL....
*Tuesday, February 24, 2015 by mike*

**art**

where is the negative space in the rubin case?
*Monday, February 23, 2015 by sara*

**chemistry**

The Russian Mir space station used a chemical oxygen generator system to make oxygen for the crew. The system ignited a tube of solid lithium perchlorate (LiClO4) to make oxygen and lithium chloride (LiCl): LiClO4 (s) 2O2 (g) + LiCl (s) If you have 500 g of LiClO4, ...
*Friday, February 20, 2015 by O*

**science(sound #3)**

Space has no air, what is another name for no air?
*Wednesday, February 18, 2015 by Alyssa*

**Science**

In which of the following situations is a sound wave most likely to travel through air? A. An alarm clock rings in a vaccum. B. A giant star explodes. C. A grasshopper eats a leaf. D. An astronaut uses tools in space. Is the answer A? Thank you.
*Wednesday, February 18, 2015 by Callie*

**Algebra 2**

A large asteroid crashed into a moon of a planet, causing several boulders from the moon to be propelled into space toward the planet. Astronomers were able to measure the speed of one of the projectiles. the distance (in feet) that the projectile traveled each second, ...
*Wednesday, February 18, 2015 by Nicole*

**Astronomy**

The Hubble Space Telescope orbits at an altitude of 600 km above the Earth's surface. Assuming it is in a stable circular orbit, what is its velocity? For reference, the Earth's radius is 6400 km and Earth's mass is 6 x 10^24 kg. The formula to solve for circular ...
*Sunday, February 15, 2015 by Allison*

**fundamental concepts**

Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time a.
*Sunday, February 15, 2015 by Luis*

**statistics**

Listed below are the duration's (in hours) of a simple random sample of all flights of a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time unusual? Why or why not? 71, 100, 237, 199, 164, 269, 193, 379...
*Friday, February 13, 2015 by slomo*

**Physics**

A spaceship in deep space has a velocity of 4000 km/s and an acceleration in the forward direction of 6 m/s2. What is the acceleration of a ball relative to the spaceship after it is released in this spaceship?
*Thursday, February 12, 2015 by Kay*

**Physics**

What is the maximum total force exerted on a 71 kg astronaut by her seat during the launch of the Space Shuttle?
*Thursday, February 12, 2015 by Kayla*

**statistics**

Listed below are the duration's (in hours) of a simple random sample of all flights of a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time unusual? Why or why not? 71 100 237 199 164 269 193 379 252 233...
*Wednesday, February 11, 2015 by slomo*

**probabilitie**

Mary and Tom park their cars in an empty parking lot with n>=2 consecutive parking spaces (i.e, n spaces in a row, where only one car fits in each space). Mary and Tom pick parking spaces at random. (All pairs of parking spaces are equally likely.) What is the probability ...
*Tuesday, February 10, 2015 by Anonymous*

**Physics**

A proton is initially at rest in empty space, when suddenly an electric field of magnitude 8.0 x 10 4 n/c and direction due east is turned on. what is the magnitude and direction of the initial acceleration of the proton? Repeat the problem, but with an electron.
*Monday, February 9, 2015 by BK*

**ENGLISH**

The space shuttle was both a marvel and huge.
*Thursday, February 5, 2015 by X*

**fundamental concept**

"Close and far away" is an example of which of the following space concepts? A. Direction B. Position C. Distance D. Construction my answer is c.
*Wednesday, February 4, 2015 by Daniela*

**fundamental concepts**

"Above and below" is an example of which of the following space concepts? A. Distance B. Construction C. Direction D. Position answer c.
*Wednesday, February 4, 2015 by Daniela*

**Fundamental concepts**

Which of the following activities emphasizes the concept of space? A. Figuring out how many pieces of candy will fit into a jar B. Matching pictures of animals to their written names C. Figuring out how fish swim D. Using the sense of touch to describe balls my answer is a.
*Wednesday, February 4, 2015 by Daniela*

**Physics **

7. An early objection to the idea that the earth is spinning on its axis was that the earth would turn so fast at the equator that people would be thrown into space. Show the error in this logic by calculating the centripetal force needed to hold a 100. kg person in place at ...
*Monday, February 2, 2015 by Brian *

**physics**

A space satellite has a total mass of 500kg. A portion of mass 20kg is ejected a velocity of 10ms-1 . Calculate the recoil velocity of the remaining portion (ignoring the initial velocity of the satellite).
*Monday, February 2, 2015 by joe*

**english**

The space shuttle was both a marvel and huge.
*Monday, February 2, 2015 by x*

**Physics**

The space shuttle is in a 3e+5 m high orbit over the earth. The radius of the earth is 6.37e+6 m, the mass of the earth is 5.98e+24 kg. What is the distance from the center of the earth to the space shuttle? I don't know whether I would double the radius and the add the ...
*Saturday, January 31, 2015 by Carly*

**chemistry**

nearest star distance of 4.3 light years proxima centauri is the nearest star to our solar system. what is the distance to proxima centauri kilometers? the speed of light in space is 2.998 x10^8 m/s.
*Friday, January 30, 2015 by help plz *

**Physics**

An object in space is initially stationary relative to the Earth. Then, a force begins acting on the object, starting with a force of 0 N, and increasing at a uniform rate until the magnitude of the force is 56 N after the force has acted for 10 s. The body has a mass of 15 kg...
*Friday, January 30, 2015 by Kev*

**reading**

Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. A greenhouse used for plants stays warm because sunlight and heat coming through the glass roof are mostly trapped. The heat doesn't radiate back into the atmosphere ...
*Friday, January 30, 2015 by Anonymous*

**physics**

a) Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 µm. Use 8.85 x 10-12 F/m for εo, the permittivity of free space. For this I got 2998.53x10-2 b) ...
*Friday, January 30, 2015 by Amanda*

**physics**

Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 µm. Use 8.85 x 10-12 F/m for εo, the permittivity of free space
*Friday, January 30, 2015 by Amanda*

**physics**

A capacitor is rolled from two strips of aluminum separated by two strips of paraffin-coated paper. Each strip is 5.40cm wide. The foil is 7.00μm thick, and the paper is 50.0μm thick. What length, in cm, should the strips be if a capacitance of 24.0nF is desired? Use...
*Friday, January 30, 2015 by Anne*

**Science**

Which explains the greenhouse effect? A. Greenhouse gases like water vapor and carbon dioxide trap heat in the atmosphere, thereby radiating heat energy back into space. B. Greenhouse gases like water vapor and carbon dioxide release heat in the atmosphere, thereby radiating ...
*Thursday, January 29, 2015 by Anonymous*

**Science**

Please could someone check these for me. 1In a series of rock layers, a geologist finds fossils of a lizard-like dinosaur and a fern-like tree in layers that are 1.0 m and 1.5 m deep. However, in a layer that is 2.0 m deep, he finds fossils of bony fish and shellfish. Which ...
*Thursday, January 29, 2015 by Anonymous*

**math**

Two station astronauts will each perform three 8-hour EVAs within 13 days to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. What is the total amount of oxygen needed by the two astronauts to accomplish this? Please put your answer in ...
*Thursday, January 29, 2015 by math*

**Physics**

What is the Earth's gravitational force on you when you are standing on the Earth and when you are riding in the Space Shuttle 380 km above the Earth's surface? Answer as a fraction of the surface gravity of Earth. (The Earth's radius is 6400 km.)
*Tuesday, January 27, 2015 by Kayla*

**Physics**

You (m=75.0 kg) are floating outside your space station, and- oh no- a siren sounds, and the doors start to close! At the instant the siren sounds, you are exactly 10.0 m from the station doors and floating away from the space station at a speed of 1.00 m/s. The doors will ...
*Tuesday, January 27, 2015 by Chloe*

**Science**

Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? Venus **** Neptune Saturn Uranus Which of the following statements about the beginning of the solar system is true? The planets that formed closest to the sun became gas ...
*Monday, January 26, 2015 by Kenxie*

**Physics**

A 64.3 kg astronaut is on a space walk when the tether line to the shuttle breaks. The astronaut is able to throw a 10.0 kg oxygen tank in a direction away from the shuttle with a speed of 11.9 m/s, propelling the astronaut back to the shuttle. Assuming that the astronaut ...
*Monday, January 26, 2015 by Kev*

**Physics**

A 83.8 kg astronaut is working on the en- gines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several sec- onds later is 39.6 m behind the ship, at rest relative to the spaceship. The only way to re- turn ...
*Sunday, January 25, 2015 by Chris *

**chemistry**

Diborane (B2H6) is a highly reactive boron hydride, which was once considered as a possible rocket fuel for the U.S. space program. Calculate ∆H for the synthesis of diborane from its elements, according to the equation 2 B (s) + 3 H2 (g) → B2H6 (g) using the ...
*Sunday, January 25, 2015 by Lisa*

**physics**

An 94.4 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several seconds later is 29.6 m behind the ship, at rest relative to the spaceship. The only way to return to ...
*Sunday, January 25, 2015 by Bri*

**Math .Static**

Consider two events A and B in the same sample space such that P(A)=0.4 and P(B)=0.3. Then A and B are mutually exclusive. True or False
*Saturday, January 24, 2015 by denial *

**concept development**

Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time my answer is d.
*Saturday, January 24, 2015 by Daniella*

**Physics **

A(n) 57.3 kg astronaut becomes separated from the shuttle, while on a space walk. She finds herself 54.3 m away from the shuttle and moving with zero speed relative to the shuttle. She has a(n) 0.697 kg camera in her hand and decides to get back to the shuttle by throwing the ...
*Thursday, January 22, 2015 by Tina *

**maths**

Five flash cards having odd numbers from 11 are shuffled well and one card is drawn from it write the sample space
*Thursday, January 22, 2015 by lalithya*

**math**

Jamiebeatimates that,when he arrives at work tomorrow morning,there is a probability that 0.4 that he will find a convenient parking space. What is Jamie to say? A. It is very unlikely that he will find a convenient parking space. B.it is somewhat unlikely that he will find a ...
*Thursday, January 22, 2015 by shannon*

**math**

In Carl's drawer, he has white,gray,and black socks. In his closet,he has black brown,and blue shoes. I need to make a diagrdiagram to display the sample space for Carl choosing a sock and shoe color. Is this right White/black,brown blue Gray/black,brown,blue Black/black ...
*Wednesday, January 21, 2015 by vivian*

**Civics**

"__________ should be upheld by all political parties. They would neither advise others to break the law, nor encourage others to do so even when the strongly disagree with the legislation put forward by the government of the day.' Which phrase or term best fills the ...
*Sunday, January 18, 2015 by jeje*

**math**

4 PART Your weight on different planets is affected by gravity. An object that weighs 150 pounds on Earth weighs only 56.55 pounds on Mars. The same object weighs only 24.9 pounds on the Moon. A)What percent of an object's Earth weight is its weight on Mars and on the Moon...
*Wednesday, January 14, 2015 by kymy*

**English**

1. She has flown on three shuttles. The shuttles were Discovery, Atlantis, and Columbia. 2. She was the first woman to earn the Congressional Space Medal of Honor. This award is given by the President of the United States. I'm writing with nouns and have to combine these ...
*Tuesday, January 13, 2015 by Hayden*

**ENGLISH - GRAMMAR ????**

There was no space in the drawing room. - Drawing room - uncountable The sand on the beach was clean. beach - uncountable Ruman met with an accident. Accident - uncountable Are the above are correct?
*Monday, January 12, 2015 by Niya - *

**Math**

When finding the perimeter of the figure on a grid why do you not count the space inside the grid
*Saturday, January 10, 2015 by Nikita*

**algebra 1**

A town is organizing a parade. There will be floats of only 2 sizes, 30ft. and 15ft. A space of 10 ft. will be left after each float. a. the parade must be at least 150 feet long, but less than 200ft long. what is the combinations of large and small floats are possible? b. ...
*Friday, January 9, 2015 by Becca*

**Chemistry**

For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Write the chemical formulae of the reduced reactants in the space provided. 2AgNO3 + Cu -> 2Ag + Cu(NO3)2 Reduced:Cu->Cu+ +1e- Oxidized: Ag+ + 1e- -> Ag ????????????????????
*Thursday, January 8, 2015 by Sky*

**physics **

A proposed space station consists of a circular tube that will rotate about its center(like a tubular bicycle tire). The circle formed by the tube has a diameter of 1.1km. What must be the rotation speed(revolutions per day) in an effect nearly equal to gravity at the surface ...
*Wednesday, January 7, 2015 by Alexis*

**sociology**

What does "Social Space" mean when we talk about location
*Saturday, January 3, 2015 by MATTHEW*

**Rocket Science**

Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 246 miles and a perigee of 212 miles above the surface of Earth
*Thursday, January 1, 2015 by Karen*

**chemistry**

forums.studentdoctor.n et/thr eads/equilibrium-calculation.1113998/ Please to delete space
*Tuesday, December 30, 2014 by plasma membrane *

**Physics**

Station Math Two station astronauts will each perform two 8-hour EVAs within 13 days to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. What is the total amount of oxygen needed by the two astronauts to accomplish this? Please put your ...
*Saturday, December 27, 2014 by Allison*

**Chemistry**

I need help with this question. 1. You have a tank of helium with a volume of 10 liters that is currently under 40 atm of pressure. If you open the valve on the tank and release the helium into a room with a volume of 10,000 liters, how many atmospheres of pressure will the ...
*Thursday, December 18, 2014 by Anonymous*

**Chemistry**

You have a tank of helium with a volume of 10 liters that is currently under 40 atm of pressure. If you open the valve on the tank and release the helium into a room with a volume of 10,000 liters, how many atmospheres of pressure will the helium now be under? Second, what ...
*Thursday, December 18, 2014 by Ryan*

**caculus**

A 10-ft ladder rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 1 ft/sec, how fast, in ft/sec, is the top of the ladder sliding down the wall, at the instant when the bottom of the ladder is 6 ft from the wall? Answer with 2 ...
*Wednesday, December 17, 2014 by Anonymous*