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April 19, 2014

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

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college algebra
3. Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 − 20 log (t + 1), t ¡Ý 0. What was the average ...
Thursday, February 2, 2012 at 10:52pm

math
if 8 cds take up 3 1/4 inches of shelf space, how many cds will fit on 65 inches of shelf space? how do you figure it out?
Thursday, February 2, 2012 at 7:40pm

math
area of 5mm square: 25mm^2 cross-section of 2mm bullet = 3.14mm^2 portion of square occupied by bullet: 3.14/25 = 0.126 So, there's a 1-.126 = .874 chance the bullet will not hit the wires. Actually, the dimensions need to be adjusted slightly to account for the space ...
Thursday, February 2, 2012 at 9:39am

Physics
A parallel-plate capacitor is constructed with circular plates of radius 0.056 m. The plates are separated by 0.25 mm, and the space between the plates is filled with dielectric with dielectric constant k. When the charge on the capacitor is 1.2 uc the potential difference ...
Thursday, February 2, 2012 at 3:14am

science
for space they need space suit, warm clothes underneath, space helmet, test tubes, oxygen tanks, food, maps and camara's to take pictures for scientist
Wednesday, February 1, 2012 at 10:21pm

science
what technologies or what do explorers need to survive a volcano underwater and space?
Wednesday, February 1, 2012 at 10:10pm

Physics
A point charge q = -2.41 nC is initially at rest adjacent to the negative plate of a capacitor. The charge per unit area on the plates is 4.67 μC/m2 and the space between the plates is 6.53 mm. What is the potential difference between the plates? What is the kinetic ...
Wednesday, February 1, 2012 at 8:46pm

Physics
An (63Kg) astronaut, floating alone in outer space, catches a 7Kg bowling ball traveling at 20m/s. The velocity of the astronaut and bowling ball after the catch is
Wednesday, February 1, 2012 at 5:54pm

math pre algebra
a kennel owner is buying a new building he want the space for each dog run to be at least 96 square ft the area reserved for the dog ru.s is 30 ft by 60 ft
Tuesday, January 31, 2012 at 8:24pm

physics
A space vehicle is coasting at a constant velocity of 22.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.223 m/s2 in the +x direction. After 57.5 s, the pilot ...
Tuesday, January 31, 2012 at 1:59pm

physics
A space traveler weighs 620 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
Monday, January 30, 2012 at 8:24pm

physics
While in empty space, an astronaut throws a ball at a velocity of 15 m/s. What will the velocity of the ball be after it has traveled 2 meters?
Monday, January 30, 2012 at 8:14pm

Math
I think I do cause area is finding how much of the space you used on something. So you're trying to find in B how much paper can go into the bulletin board
Monday, January 30, 2012 at 5:05pm

Alg 1
You have 60 megabytes of space left on your portaable media player. You can choose to download song files that use 3.5 megabytes or video files that use 8 megabytes. You want to download at least 12 files. What is a graph showing the numbers of songs and video files you can ...
Monday, January 30, 2012 at 12:31am

physical
a rocket moves through outer space at 11,000 m/s at this rate how much time would be required to travel the distance from earth to moon which is 380,000 km
Saturday, January 28, 2012 at 6:59pm

english rechecking and grammar checking
Use present tense when writing about literature or films. Put a space after EVERY comma. Please PLEASE read your writing aloud to someone. There are far too many errors in here for me to believe you think and speak in such a jumbled fashion.
Saturday, January 28, 2012 at 2:55pm

ELA
Suggestions in caps. My Twin Cousins I have identical twin cousins, Joe and John. They look exactly alike (COMMA) except that Joe has a tiny birthmark under his chin. Unless you look very closely, you'd miss it. Both have straight, dark brown hair, but now Joe's is ...
Friday, January 27, 2012 at 8:27pm

Physics
Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.
Friday, January 27, 2012 at 6:46pm

grammar
Many things could go into that blank space. How has "discourse marker" been defined/explained? I could put any of these in that blank, each one providing a different meaning: In addition, ... Therefore, ... Nevertheless, ...
Monday, January 23, 2012 at 9:39am

math
A couple intends to have four children. Assume that having a boy and girl is equally likely event. a) List sample space b) Find the probability that couple has two boys and two girls; c) Find the probability that couple has at least one boy
Monday, January 23, 2012 at 12:29am

world history
Which of the following is NOT true about the arms race between the United States and the Soviet Union during the cold war? A. The Soviet Union created the first man-made satellite, prompting the United States to develop the National Aeronautics and Space Administration (NASA...
Sunday, January 22, 2012 at 9:57pm

physics
It is desired to move a small, 50 kg cat in outer space by strapping a lamp, which emits 100 W of blue light to it. If the cat is free in space, and the wavelength of blue light is 470 nm, what would be the acceleration of the cat? (HINT: Consider how many photons are emitted ...
Sunday, January 22, 2012 at 7:40pm

Calculus
Just multiply those three numbers together. Volume is just space in three dimensions, so 36 x 2 x 2 ('x' being a multiplication sign) will give you your total volume.
Sunday, January 22, 2012 at 4:26pm

Science
Let the habitat radius be R and the person's height be H. Assume that the "gravity" is established by rotating a cylindrical or wheel shaped space station, with radius R. The actual value of g will be deterimned by the rotation rate, w. g = R w^2. g(head)/g(feet...
Saturday, January 21, 2012 at 7:46am

Science
If the variation in g between one's head and feet is to be less then 1/100 g, then, compared to one's height ,what should be the minimum radius of the space habitat?
Saturday, January 21, 2012 at 3:41am

physics
A space vehicle is coasting at a constant velocity of 21.1 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.380 m/s2 in the +x direction. After 41.0 s, the pilot ...
Friday, January 20, 2012 at 3:19pm

physics
An astronaut in his space suit has a total mass of 275 kg. His weight on the asteroid Erewhon is 0.3 N. What is the acceleration of gravity on Erewhon?
Friday, January 20, 2012 at 11:22am

maths
one bag contains 1 red ball,1 yellow ball, 1green ball and 1 blue ball the second bag contains 1 pink ball and 1 grey ball what is the sample space out come
Thursday, January 19, 2012 at 12:31pm

math
A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
Wednesday, January 18, 2012 at 8:15pm

math
A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
Wednesday, January 18, 2012 at 8:14pm

Precalc
A line in space has the vector equation shown here. Fill in the blanks to find the position vector to the fixed point on the line that appears in the equation: vector r=(5+(6/11)d)vector i + (3+(9/11)d)vector j + (7+(2/11)d)vector k vector v= _____ vector i + _____ vector j + ...
Wednesday, January 18, 2012 at 7:07pm

Astronomy 1010
The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
Tuesday, January 17, 2012 at 9:19pm

science
mat·ter/ˈmat&Ea​cute;™r/ Noun: Physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, esp. as... Verb: Be of importance; have significance: "what did it matter to...
Tuesday, January 17, 2012 at 9:13pm

science
Matter is the stuff of the universe, and is everything that we can (and can't) see. Mass is the amount of matter in an object (a relation to matter). Volume is how much space the matter takes up (also relating to matter).
Tuesday, January 17, 2012 at 9:10pm

Astronomy 1010
If Earth's gravity was not there, the space station would not be in orbit. What do you think is holding it in orbit?
Tuesday, January 17, 2012 at 8:28pm

Astronomy 1010
The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
Tuesday, January 17, 2012 at 8:25pm

physics
I do not understand why you would want to react Francium and water in space or anywhere else. It is highly radioactive and very expensive to make. It will oxidize in air and react vigrously in water, just as sodium and potassium do. The reaction would be 2 Fr + 2 H2O -> 2 ...
Tuesday, January 17, 2012 at 2:41am

physics
What reaction would you get from francium and water in outer space and what if you added hydrogen to the experiment as far as being used for fuel for travel
Tuesday, January 17, 2012 at 2:04am

Physics
A runner is jogging at a steady 8.4 km/hr. When the runner is 2.6 km from the finish line, a bird begins flying from the runner to the finish line at 42 km/hr (5 times as fast as the runner). When the bird reaches the finish line, it turns around and flies back to the runner. ...
Monday, January 16, 2012 at 10:54pm

Science
http://paul-a-heckert.suite101.com/newto​ns-laws-for-kids-overview-a41283 http://kids.yahoo.com/science/space/arti​cle/spaceexplore
Monday, January 16, 2012 at 12:14pm

Maths
That would be the difference between 17x12x10 and 15x10x8 (the inner space volume). = 840 cm^3
Sunday, January 15, 2012 at 8:33pm

Physics
An astronaut of mass 70 kg carries an empty oxygen tank of mass 14 kg. He throws the tank away from himself with a speed of 3 m/s. With what velocity does the astronaut start to move through space?
Sunday, January 15, 2012 at 7:47pm

Liberal Arts
Part 1: You finally made it…graduation day has arrived! Your parents are so proud that they are throwing you a HUGE party. They have rented a big tent for your graduation party just in case it rains. The inside of the tent (represented by the blue area) is set up for a ...
Saturday, January 14, 2012 at 4:48pm

Physics
Please show steps and thank you! An astronaut of mass 70 kg carries an empty oxygen tank of mass 14 kg. He throws the tank away from himself with a speed of 3 m/s. With what velocity does the astronaut start to move through space?
Saturday, January 14, 2012 at 1:56pm

Writing Sentences and Paragraphs
One space after each comma, period, question mark, exclamation mark, colon, semicolon. The only exceptions would be when ending a quoted sentence or question; then there's no space between the punctuation and the closing quotation marks but a space after the closing ...
Friday, January 13, 2012 at 9:24am

Writing Sentences and Paragraphs
Ok I worked real hard on this :) I hope I nailed it this time. My other question is : Is it one space after commas? Two spaces after a period ? and one space after an exclamation mark. Ok fingers crossed ! Anna, I am so happy you’ve moved back to Burlington from Bay view...
Thursday, January 12, 2012 at 11:01pm

statistic
nevermind above question, this question please: Suppose there are three balls in a box. On one of the balls is the number 1, on another is the number 2, and on the third is the number 3. You select two balls at random and without replacement from the box and note the two ...
Thursday, January 12, 2012 at 10:08pm

English
For the poem below named the new colussus i have to define what the new world is being portrayed as but i dont understand it, if someone can help me please : Is anyone familiar with the poem the new colossus : The New Colossus Not like the brazen giant of Greek fame, With ...
Wednesday, January 11, 2012 at 1:03pm

Physics
An open train car moves with speed 11.3 m/s on a flat frictionless railroad track, with no engine pulling the car. It begins to rain. The rain falls straight down and begins to fill the train car. The speed of the car 1. increases. 2. decreases. 3. stays the same. A(n) 71.6 kg...
Wednesday, January 11, 2012 at 12:44am

socials
thank you very much ms. sue :) so that mean education is key to humane population stabilization. i also think that maybe people move to empty space in world but that not be possible because farmland needed to feed people who live in cities and towns and forests not get cut ...
Tuesday, January 10, 2012 at 6:36pm

guess and check sheet
denzil list starts with the light show. Could the list start with the space first?
Monday, January 9, 2012 at 6:52pm

algebra with pizzazz
Gloves on. you know feeling... gloves. its spaces gloves space on
Monday, January 9, 2012 at 4:50pm

writing sentences and paragraphs
Anna, I am so happy you’ve moved back to Burlington from Bay view, Ohio! Especially since there are many more job oppurtunities here for you to discover.<~~fragment In fact just yesterday I was talking with my boss at Metropolitan Music Company ,<~~delete the extra ...
Sunday, January 8, 2012 at 4:43pm

physics
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·10^5 Pa. If there were no ventilation, by how much would the temperature (in K) of the air rise ...
Saturday, January 7, 2012 at 3:24pm

math
A photograph is 4.5 in wide and 6 in. long. A yearbook editor has the photo reduced to fit a space 1.9 in. wide. How long is the reduced photograph?
Friday, January 6, 2012 at 12:27pm

physics mirrors
If you have access to an image, you can always locate it. If the image is formed in outer space, you'd have to go there to find it. You can also insert an intervening optical lens or mirror to compute where the image (without the inserted element) would be.
Friday, January 6, 2012 at 1:49am

Science
In cities across the globe, the personal automobile is the single greatest polluter, as emissions from a billion vehicles on the road add up to a planet-wide problem. Driving a private car is a typical citizen's most air polluting activity. The negative effects of ...
Thursday, January 5, 2012 at 10:02pm

Geometry
Describe the locus of all points, in space, that are 5 cm from line p. a. a line, 5 cm from line p. b. a pair of parallel lines, each parallel to and 5 cm from line p. c. a sphere with a radius of 5 cm. d. a cylinder with a radius of 5 cm. D?
Thursday, January 5, 2012 at 9:09am

PHYSICS
A Few questions- please help!!! also show steps! What magnitude of force, acting for 0.025 s, will change the velocity of a 100 g ball from 30 m/s eastward to 40 m/s westward? A girl holds a 1.7 kg air rifle loosely and fires a bullet of mass 2 g. The muzzle velocity of the ...
Wednesday, January 4, 2012 at 8:13pm

physics
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·105 Pa. If there were no ventilation, by how much would the temperature (in K) of the air rise ...
Wednesday, January 4, 2012 at 7:52am

physics
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·105 Pa. If there were no ventilation, by how much would the temperature (in K) of the air rise ...
Tuesday, January 3, 2012 at 12:49pm

physics
The earth's atmosphere extends to a height of nearby 200KM above its surface there many be explosion and noises taking place in the outer space but we do not hear them.why?
Tuesday, January 3, 2012 at 7:44am

physics
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·10^5 Pa. If there were no ventilation, by how much would the temperature (in K) of the air rise ...
Sunday, January 1, 2012 at 12:27pm

Physics
The De-orbit Burn The Shuttle must reduce its velocity at a pre-calculated point in its orbit in order to return to Earth. In order to reduce the velocity and change the orbit of the Shuttle, a maneuver called the de-orbit burn is performed. For this maneuver, the Shuttle is ...
Wednesday, December 28, 2011 at 10:59pm

Question
Yes. They want three different subjects -- like ogres, mermaids, and space aliens.
Tuesday, December 27, 2011 at 5:32pm

Question
What is meant in the Illustrators Contest rules by “three different subjects”? Three of the same subject would be 3 illustrations of dragons. Examples of three different subjects could be dragons, space ships and an alien planet. What do they mean??? I'm a bit ...
Tuesday, December 27, 2011 at 5:28pm

Fantsy
Frequently Asked Questions The Writers and Illustrators of the Future Contests Is there an entry fee? No, there is no entry fee for either contest. I’m not sure of my eligibility. Can you help me out? Our primary eligibility criteria is “new and amateur.” ...
Tuesday, December 27, 2011 at 5:14pm

Physics
Assume that the Starship Enterprise is moving through space at the speed of light. Calculate how much kinetic energy the ship has at this speed. The Enterprise has a mass of 1*10^6kg. Now imagine that Captain Kirk wants to bring the ship to a complete stop in a distance of ...
Monday, December 19, 2011 at 7:27pm

Science
There was no nuclear reaction here. No mass was converted to energy and radiated into space.
Monday, December 19, 2011 at 2:01am

physical science
What a funny question. How can there be air friction where there is no air? What happens to astronauts who leave space station for extravehicular activity? Do they have to remain tied to the ship to avoid falling to earth or "escaping to outer space"? To change an ...
Saturday, December 17, 2011 at 2:15am

kv khurda
an artificial satellite is orbiting the earth. A bomb is released from the satellite. The bomb will (a)explode due to the heat generated by the friction of air (b)fall freely on the earth (c)escape into outer space (d)orbit the earth along with the satellite
Saturday, December 17, 2011 at 1:10am

geometry
A parking lot has seventy-three parking spaces numbered from 1 to 73. There are no cars in the parking lot when Jillian pulls in and randomly parks. What is the probability that the number on the parking space where she parks is greater than or equal to 27?
Thursday, December 15, 2011 at 11:04pm

physics
An early major objection to the idea that Earth is spinning on its axis was that Earth would turn so fast at the equator that people would be thrown into space. Given : radius earth = 6.37 × 10^6 m , mass earth = 5.98 × 10^24 kg , radius moon = 1.74 × 10^6 m...
Thursday, December 15, 2011 at 4:26pm

social studies
Where can I find facts about: *Johnson Space Center aka NASA [Houston] *Grand Canyon *Statue of Liberty
Wednesday, December 14, 2011 at 11:24am

Medical Billing
I have tried to read and understand this question, however I just had eye surgery,and to be honest, I just can not see to read the code book.~~~ OPERATIVE REPORT PREOPERATIVE DIAGNOSIS: Morbid obesity. POSTOPERATIVE DIAGNOSIS: Same. PROCEDURES: 1. Laparoscopic Roux...
Wednesday, December 14, 2011 at 1:03am

Physical Science
A 75 kg astronaut in space pushes against a 200 kg navil. when the astronaut lets go of the anvil pushing it:
Tuesday, December 13, 2011 at 1:32pm

science
throw jet pack in opposite direction of the space station
Tuesday, December 13, 2011 at 8:03am

Geometry
The Design for a Mural is 16 in. Wide and 9 in High. What are the Dimensions of the largest possible complete mural that can be painted on a wall 24 ft wide by 14 ft wide? And Can you Please Explain. I understood how to do it. but which height or width will fill the space ...
Monday, December 12, 2011 at 7:27pm

algebra
A flying saucer filled with space aliens landed in my front yard!After the entire crew had filled out of their spaceship, I happened to count their heads and feet. I saw a total of 91 heads and 124 feet. It was clear that their leader was a purple creature with three heads and...
Monday, December 12, 2011 at 7:12pm

Science Fair
which catory is my project is Project Categories Projects are judged by category. Read through the 14 categories listed below and decide which one best fits your project. You will be asked to identify that category on the application form. Behavioral and Social Sciences: Human...
Sunday, December 11, 2011 at 4:13pm

English
1) Whatever killed the dinosaurs almost certainly had an effect on all mass extinction globally, as reflected in flora and fauna on both land and sea. 2) Some scientists believe the cause of the dinosaurs' extinction was volcanic in origin, whereas others believe it came ...
Saturday, December 10, 2011 at 5:05pm

English
I urgently need you to revise this paragraph on dinosaurs. I need to simplify it using synonyms. 1) Whatever killed off (synonym??) the dinosaurs almost certainly had a bearing (I need a proper synonym) on the rest of the mass extinction, which was on a global scale and ...
Saturday, December 10, 2011 at 4:56pm

PSYCHOLOGY HELP PLEASE!!
The word sudden & fright removes the possibility of GAD which is a general thing present always. It should be a phobia e.g. claustrauphobia I.e. fear of closed space. Panic disorder happens when there is an immediate stressor in form of a task like a test or assignment. Hence ...
Friday, December 9, 2011 at 7:35am

PSYCHOLOGY HELP PLEASE!!
The word sudden & fright removes the possibility of GAD which is a general thing present always. It should be a phobia e.g. claustrauphobia I.e. fear of closed space. Panic disorder happens when there is an immediate stressor in form of a task like a test or assignment. Hence ...
Friday, December 9, 2011 at 7:35am

Science
The amount of space something occupies is its volume. Volume can be measured using a A. triple beam balance B. graduated cylinder C. spring scale D. meter stick I think its B.
Thursday, December 8, 2011 at 6:09pm

Physics
The following might be of some help to you. 1/23/02 What is the final burnout velocity of the Space Shuttle? The final burnout velocity of the Space Shuttle, or any rocket for that matter, is a function of the altitude at burnout and the orbit that the rocket is being injected...
Wednesday, December 7, 2011 at 5:07pm

Physics
The space shuttle has a weight 2.00 x 10^7 N. The shuttle is accelerated upward at a rate of 5.50 m/s^2. What is the mass of the shuttle? What is the thrust (force) of the combined engines? What is the magnitude of the net force applied to the space shuttle?
Wednesday, December 7, 2011 at 4:35pm

physics
A rocket in outer space with a velocity of 12,000 m/s. How long will it take to travel 3,000,000 meters?
Wednesday, December 7, 2011 at 3:36pm

Physics
A 115 kg astronaut on a space walk pushes against her space capsule that has mass 2250 kg. The astronaut accelerates 1.50 m/s2, 0°. (a) Find the force exerted on the astronaut. (b) Find the force exerted on the capsule. (c) Find the acceleration of the capsule.
Monday, December 5, 2011 at 7:19pm

Math
A model of the ocean floor takes up 2/5 of the space in an aquarium. if 3/8 of the model is coral, what fraction of the space in the aquarium is taken by coral?
Monday, December 5, 2011 at 4:55pm

science
Earths mass is 6 x 10^24kg and its radius is 6.38 x 10^6m (6380 km ). Use the inverse-square law to show that in space-shuttle territory, 200 km above the earths surface the force of gravity on a shuttle is about 94% of that at the earths surface.
Monday, December 5, 2011 at 6:21am

English
Both sentences are fine. Put a space after that comma in the first sentence, though.
Sunday, December 4, 2011 at 8:21pm

chemistry
Which is not a true statement concerning electromagnetic radiation? It travels through space at 3.0 x 1010 cm/s. It travels in a straight line. It has the fastest speed possible in nature. The sun is a source of it.
Thursday, December 1, 2011 at 6:10pm

physics
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space. The radius of Earth is about 6400 km. Show why this objection is wrong by determining the following information. a.) Calculate the speed of a 103-kg ...
Wednesday, November 30, 2011 at 8:36pm

Physics
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space. The radius of Earth is about 6400 km. Show why this objection is wrong by determining the following information. a.) Calculate the speed of a 103-kg ...
Wednesday, November 30, 2011 at 8:30pm

english
The best way to correct this is to first tell you the kinds of mistakes you made. Then I'll take the entire story, adding punctuation, correcting spelling, etc. 1. When you begin to tell a story, decide first of all if you are telling it in the Present Tense (now) or the ...
Tuesday, November 29, 2011 at 5:44pm

Physics
Engineers are trying to create artificial "gravity" in a ring-shaped space station by spinning it like a centrifuge. The ring is 100m in radius. How quickly must the space station turn in order to give the astronauts inside it weights equal to their weights at the ...
Sunday, November 27, 2011 at 6:59pm

Physics
Engineers are trying to create artificial "gravity" in a ring-shaped space station by spinning it like a centrifuge. The ring is 100m in radius. How quickly must the space station turn in order to give the astronauts inside it weights equal to their weights at the ...
Sunday, November 27, 2011 at 2:35pm

English
1. OK 2. OK 3. I'd say "electric" not "electrical." 4. Use "inhabited." 5. I don't understand "close to this." 6. "electric" 7. "...explain to everyone..." 8. "...older people's attitudes by talking...
Sunday, November 27, 2011 at 2:29pm

space
2ft(12in/ft)(8 oneeights/inch)=24*8 eights in two feet, which is 10 au. xxxxeigthinch/au= 24*8/10=19.2 eigthinches is one AU. or 2.4inch is one AU. or 2 inches + 2.4 eights is one AU.
Sunday, November 27, 2011 at 1:59pm

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