Thursday

February 11, 2016
**Physics**

Suppose the space shuttle is in orbit 430 km from the Earth's surface, and circles the Earth about once every 93.2 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, the gravitational acceleration at the Earth&#...
*Sunday, July 8, 2012 by Dave*

**Chemistry - Correction**

I just wanted to be sure if my answers make any sense. Thank you; For the reaction of ammonia: N2(g) + 3H2(g) --> 2NH3(g) suppose equilibrium has been established. Explain how and why the position of equilibrium will shift in response to the following changes: (a) ...
*Tuesday, July 3, 2012 by Robert*

**Chemistry**

I just wanted to be sure if my answers make any sense. Thank you; For the reaction of ammonia: N2(g) + 3H2(g) --> 2NH3(g) suppose equilibrium has been established. Explain how and why the position of equilibrium will shift in response to the following changes: (a) ...
*Monday, July 2, 2012 by Robert*

**Probability**

You have a sample space of 2 events called A and B. From your experimental observations you determine the probability of A or B {i.e. P(A or B)} to be 71%. You also conclusively determine that the probability of A is 30% and the joint probability of both events occurring is 19...
*Saturday, June 30, 2012 by DLCS*

**geometry**

Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)? the triangle is 6...
*Friday, June 29, 2012 by shanice*

**desktoping**

if you are at the end of a line and want to leave a blank line before beginning the next line press __________ 2 times A. Space bar B. Enter key C. Home key D: Tab key I got D. __________ is measured in words per minute A. Accuracy B. Level C. Margin D. Speed I got B
*Wednesday, June 27, 2012 by Ciara*

**science**

Three very small spheres of mass 3.00 kg, 5.00 kg, and 3.00 kg are located on a straight line in space away from everything else. The first one is at a point between the other two, 13.0 cm to the right of the second and 24.0 cm to the left of the third. Compute the net ...
*Wednesday, June 27, 2012 by Rachel*

**PHSC**

In a simulation on earth,an astronaut in his space suit climbs up a vertical ladder.On the moon,the same astronaut makes the same climb.In which case does the gravitational potential energy of the astronaut change by a greater amount?
*Tuesday, June 26, 2012 by brandy*

**phsc**

A satellite explodes in outer space, far from any other body,sending thousand of pieces in all direction.How does the linear momentum of the satellite before the explosion compare with the total linear momentum of all the pieces after the explosion ?
*Tuesday, June 26, 2012 by brandy*

**Geometry**

Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)? There's a ...
*Wednesday, June 20, 2012 by Anonymous*

**Physics Gravity**

A projected space station consists of a circular tube that will rotate about its center (like a tubular bicycle tire) as shown in the figure . The circle formed by the tube has a diameter of about 1.1-km g = R w^2 = 9,8 m/s^2 R = 550 m How do I convert the answer with this ...
*Sunday, June 17, 2012 by Mike Joseph*

**Physics Gravity**

A projected space station consists of a circular tube that will rotate about its center (like a tubular bicycle tire) as shown in the figure . The circle formed by the tube has a diameter of about 1.1-km What must be the rotation speed (revolutions per day) if an effect equal ...
*Saturday, June 16, 2012 by Mike Joseph*

**math**

A pie plate has a diameter of 22 cm. How much counter space is needed to display 8 pies?
*Friday, June 15, 2012 by Randy*

**physics**

a spacecraft is traveling in space fa from any planets or stars. How much force is required to maintainthe spacecraft's speed?
*Wednesday, June 13, 2012 by Louis*

**Chemistry**

What is the concentration, in g/L, of a solution containing 0.65 mol HNO3 in 150 mL solution? Give your answer rounded to nearest whole number, followed by a space and the units.
*Wednesday, June 13, 2012 by Sonakshi Sinha*

**Chemistry**

What is the concentration, in mol L-1, of a solution containing 1.2 g of lithium carbonate in 100 mL solution? Give your answer as 2 sig fig, followed by a space and the units (remember the units given in a previous question).
*Wednesday, June 13, 2012 by Sameera Ready*

**Chemistry**

How many moles of lithium carbonate are contained in 400 mL of a lithium carbonate solution with a concentration of 0.015 mol L-1? Give your answer as two sig. figures, followed by a space and the units
*Wednesday, June 13, 2012 by Kareena Kapoor*

**Chemistry**

What volume of 0.01 mol L-1 Li2CO3 solution would contain 0.035 mol lithium carbonate? Give your answer as 2 sig fig (this is technically not correct), followed by a space then the units.
*Wednesday, June 13, 2012 by Deepika Padukone*

**Chemistry**

What is the concentration of a solution of lithium carbonate containing 0.01 mol in 750 mL of solution What volume of 0.01 mol L-1 Li2CO3 solution would contain 0.035 mol lithium carbonate? Give your answer as 2 sig fig (this is technically not correct), followed by a space ...
*Wednesday, June 13, 2012 by Preity Zinta*

**statistics**

A CBS/New York Times poll found that 350 out of 757 adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 95% confidence level.
*Wednesday, June 13, 2012 by smrey*

**physics**

A 58-kg astronaut inside a 9-m-long space capsule of mass 550 kg is floating weightlessly on one end of the capsule. He kicks off the wall at a velocity of 3.6 m/s toward the other end of the capsule. How long does it take the astronaut to reach the far wall?
*Tuesday, June 12, 2012 by lanre*

**physics**

A satellite with a mass of 260 kg approaches a large planet at a speed vi,1 = 13.1 km/s. The planet is moving at a speed vi,2 = 10.2 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a direction opposite to its ...
*Tuesday, June 12, 2012 by lanre*

**DeskToping**

If you press the ______ key , you will jump to the previous screen. A. Page Down B. Page Up C. Home D. End I got C. You should _______ insert a blank space before the percent symbol. A. always B. not C. occasionally D. NONE OF THE ABOVE I got B.
*Monday, June 11, 2012 by Sarah*

**chemistry**

Mercury(Hg) has a density of 13.5 g/cm cubed. How much space would 50.0 g of mercury occupy? Calculate the mass in grams, of a 3 cubic inch cube of aluminum(Al). The density of aluminum(Al) is 2.5 g/cm cubed. NOTE:(1inch cubed =16.4 cm cubed
*Saturday, June 9, 2012 by John*

**chemistry**

Mercury(Hg) has a density of 13.5 g/cm cubed. How much space would 50.0 g of mercury occupy?
*Saturday, June 9, 2012 by John*

**physics**

Explain how an object can orbit a planet & why astronauts float around in the orbiting space shuttle
*Thursday, June 7, 2012 by deresse*

**Fundemental DeskTop **

If you press the ______ key you will jump to the previous screen A. Page down B. Page up C. Home D. End I got B . You should ____ insert a blank space before the percent symbol A. Always B. Not C. Occasionally D. NONE OF THE ABOVE I got B .
*Wednesday, June 6, 2012 by Sarah*

**Physics**

An astronaut of mass 82.2 kg is 31.2 m far out in space, with both the space ship and the astronaut at rest with respect to each other. Without a thruster, the only way to return to the ship is to throw his 0.502 kg wrench directly away from the ship. If he throws the wrench ...
*Wednesday, June 6, 2012 by Christina Y.*

**linear programming**

Mountain Laurel Vineyards produces three kinds of wine Mountain Blanc, Mountain Red, and Mountain Blush. The company has 17 tons of grapes available to produce wine this season . A cask of Blanc requires 0.21 tons of grapes, a cask of Red requires 0.24 tons, and a cask of ...
*Wednesday, June 6, 2012 by uma*

**to ms.sue-project**

After reading Holes by Louis Sachar, you will complete the book reporting bingo assignment. You will select any five boxes in a row from the board, in any direction across, down, or diagonally, to create a bingo. Each assignment must: •Be neat •Be complete •Be ...
*Tuesday, June 5, 2012 by Celest*

**Art**

Here are the last sentences on the same theme. 1) This important feature makes power lines able to transport electric energy without any problem connected with dissipation of energy. They are useful in aerospace industry because they can keep a big amount of electric energy ...
*Monday, June 4, 2012 by John*

**English**

i not get what this poem mean it be a ballad but i not get what theme be do the guy girl be in strong bond? True Thomas lay on Huntlie bank; A marvel he did see And there he saw a ladye bright Come riding down by the Eildon Tree. Her skirt was o' the grass-green silk, Her ...
*Sunday, June 3, 2012 by Mohammad*

**Science/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. I just am not getting this!
*Sunday, June 3, 2012 by Elizabeth*

**Physics**

A rotating space station has radius 1270 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight? I got 101.1 seconds... is this correct? Please help!
*Sunday, June 3, 2012 by Brandi*

**physics**

You are on Mars and would like to send a probe into space so that it does not fall back to the surface. What minimum launch speed do you need? (The mass of Mars is 6.42x10^23 kg and the radius of Mars is 3.40x10^6 m) km/s Please someone also help me on this.I really don't ...
*Saturday, June 2, 2012 by Akbar*

**math**

Three points P, Q and R are on a level ground. Q is 240m from P on a bearing of 230°. R is 120m to the east of P. (a) Using a scale of 1cm to represent 40m, draw a diagram to show the positions of P, Q and R in the space provided below. (b) Determine : (i) the distance of ...
*Saturday, June 2, 2012 by Anonymous*

**painting**

compare and contrast the representation of weight and space in the painting of The Good Shepherd in the Catacomb of Saints Pietro and Marcellino (Image 15-2) and the mosaic of Justinian and Attendants in Ravenna's Church of San Vitale (Image 15-5)
*Thursday, May 31, 2012 by Sha*

**Business English "Designing the page and ect" **

Please double check my answers for me. 1. The appearance of a document can do all of the following except: A. establish rapport with the audience. B. guide your readers' attention C. substititue the written text in the document. D. Build goodwill. answer: C. Substitute teh...
*Wednesday, May 30, 2012 by Amanda*

**college math**

Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C? The formula I used is F= 9 x 72 + 32 = 648 + 32 Is this correct so far
*Tuesday, May 29, 2012 by Lourane*

**pre algebra answer check**

You are standing 400 feet from the base of the Space Needle in Seattle, Washington. Using a laser range finder, you measure the distance to the top of the Space Needle to be 725 feet. Find the height of the Space Needle to the nearest foot. I got 629 ft.
*Tuesday, May 29, 2012 by amy*

**Science**

Thank you very much for your help. I will check major grammar mistakes tomorrow morning. Can you please have a quick look at the second part and tell me which sentences need to be revised? 1) However, their most striking feature was that these cells were able to reproduce and ...
*Monday, May 28, 2012 by John*

**Science**

Suppose we allowed each person 1000m^3 of living space in a large building, with ceiling height 3 m. To the nearest order of magnitude, how many 1000m high buildings would have to be built to house the entire population of 8.5 x 10^14 people on the energy-limited Earth, if ...
*Friday, May 25, 2012 by Ann*

**Art**

Could you please check these sentences, Writeacher? Thank you. 1) A job seeker should make a short list of the job's requirements and should keep it in his mind during the interview. In this way he can bring in examples to demonstrate that he is the right person for the ...
*Thursday, May 24, 2012 by Jack*

**ALGEBRA**

A single card is selected from an ordinary deck of cards. The sample space is shown in the following figure. Find the following probabilities. (Enter the answers either as fractions or as decimals rounded to three places.) P(five of clubs) = Incorrect: Your answer is incorrect...
*Wednesday, May 23, 2012 by Mike*

**Foreign languages**

I urgenlty need you to check these sentences, please.Thank you. 1) A job seeker should make a short list of the job's requirements and should keep it in his mind during the interview. In this way he can bring in examples to demonstrate that he is the right person for the ...
*Wednesday, May 23, 2012 by Jack*

**Math**

2 part question 1) a cone shaped paper cup has a height of 7 inches and a diameter of 5 inches. What is the volume of the cone? Round answer to the nearest hundredth. 2) if we collect rainwater in the cup in question 1 until the waters depth is 6 inches, what percentage of the...
*Tuesday, May 22, 2012 by Rosie*

**Statistics**

A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space?
*Tuesday, May 22, 2012 by Tammy*

**Geometry**

A rectangular pyramid fits exactly on top of a rectangular prism. Find the volume of the composite space figure if the prism has length 19 cm, width 2 cm, height 11 cm, and the pyramid has height 7 cm.
*Monday, May 21, 2012 by Lex*

**physics**

A cubical piece of heat-shield-tile from the space shuttle measures 0.18 m on a side and has a thermal conductivity of 0.065 J/(s·m·C°). The outer surface of the tile is heated to a temperature of 1050°C, while the inner surface is maintained at a ...
*Monday, May 21, 2012 by robert*

**related rates**

After blast-off, a space shuttle climbs vertically and a radar-tracking dish, located 1000 meters from the launch pad, follows the shuttle. How fast is the radar dish revolving 10 sec after blast-off if at that time the velocity of the shuttle is 100 m/sec and the shuttle is ...
*Sunday, May 20, 2012 by :)*

**Physics**

When the space shuttle (mass of the shuttle = 2 x10^6 kg) was at the outer limit of Earth's atmosphere (distance = 350 km above Earth's surface), astronauts measured the gravitational force from Earth to be equal to 1.7 x 10^7 newtons. Assuming that both Earth and the ...
*Sunday, May 20, 2012 by Leila*

**English**

Toss a coin. And if you get a head, move one space forward, and put a marker in the space. If you get a tail, move two spaces. Look at the word or picture on the space. By using it, make a sentence on the right side of the page. (Would you check the writing and correct errors...
*Saturday, May 19, 2012 by rfvv*

** analysis **

What is meant by the sample space for a random experiment?
*Thursday, May 17, 2012 by Kasey*

**Calculus / a bit of physics**

explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
*Thursday, May 17, 2012 by j*

**ALGEBRA**

Many states offer personalized license plates. California, for example, allows personalized plates with seven spaces for numerals or letters, or one of the following four symbols. What is the total number of license plates possible using this counting scheme? (Assume that each...
*Wednesday, May 16, 2012 by Monic*

**Microsoft Word**

Is is possible to do this? It a requirement by my teacher but I just can't seem to do it. " singled space text within questions and double space between your questions".- If I single space the text within the questions, won't that make it single space between...
*Tuesday, May 15, 2012 by Shadow*

**physics**

in 2005, the space probe Deep Impact launched a 30 kg projectile into Comet Tempel 1. Observing the collision helped scientists learn about the comet’s characteristics. The come is estimated to have a mass of 9.0 x 1013 kg. a. Assuming the estimated mass of the comet at ...
*Tuesday, May 15, 2012 by dreamygirl*

**Phizzics....**

n 2005, the space probe Deep Impact launched a 30 kg projectile into Comet Tempel 1. Observing the collision helped scientists learn about the comet’s characteristics. The come is estimated to have a mass of 9.0 x 1013 kg.
*Tuesday, May 15, 2012 by dreamygirl*

**Science**

1. An electric space heater draws 15.0 A from a 120 V source. It is operated, on average, for 5.0h (hours) each day. a) How much power does the heater use and b) At $.10 per kWh, what does it cost to operate the heater for 30 days? 2. Suppose each person in the United States ...
*Tuesday, May 15, 2012 by Carly*

**science**

how does the moon move through space ?
*Tuesday, May 15, 2012 by Remy W*

**science**

how does the moon move through space ?
*Tuesday, May 15, 2012 by martin*

**science**

If you watch a movie scene in which a loud explosion occurs in the space. What do you conclude about the accuracy of the scene?
*Monday, May 14, 2012 by raquel*

**Spheres, Locus (in space aka 3d)**

1) A "small circle" is a circle on a sphere that is NOT a "great circle". What is the locus of the centers of ALL small circles of a sphere having radius 1/2 that of the sphere? I think the answer is a plane? But I'm not sure. Please help me!
*Monday, May 14, 2012 by Billy*

**Science**

I have 5 minute presentation on any thing. I like talk about space travel or space exploration. I do not know where to find and other websites they have too much informtion. can you please give me any websites?
*Monday, May 14, 2012 by Jessie*

**math**

what is the locus of the midpoints of the line segments joining a given external point to all points of a plane? (Locus is set in space aka 3d)
*Sunday, May 13, 2012 by My Name Is Bob*

**physics**

Suppose we have Bob the astronaut sitting without a space suit in a spaceship full of air on a mission to Mars. Bob is very fond of balloons and is holding on to a nice, big, red helium balloon via a piece of string. Bob is sitting facing the front of the spaceship. Mission ...
*Friday, May 11, 2012 by Kay*

**Calculus**

explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
*Thursday, May 10, 2012 by J*

**Foreign languages**

Writeacher, can you check these statements, please? Thank you. 1) Is it possible to use the expression "lose the bus"? I know one should say "miss the bus" but I just wanted to know if "lose" is a mistake. 2) Things are getting better since the ...
*Thursday, May 10, 2012 by Mark*

**math**

The numbers below are in order from greatest to least. 7.358 7.240 6.864 6.500 6.382 Which number would best fill the blank space? A.6.510 B.6.499 C.6.359 D.6.240 B?
*Wednesday, May 9, 2012 by NrGliight*

**English**

What is the most important reason to consider typography when creating a procedural text? A.It provides white space around the text. B.It makes the document look nice. C.It adds variety to the document. D.It helps the reader find important information. Which organizational ...
*Wednesday, May 9, 2012 by MM*

**Science**

An astronaut is walking in space and his jetpack runs out of fuel. How can he use his empty pack to get back to the space station?
*Tuesday, May 8, 2012 by Joan*

**Social Studies**

Long,narrow parklike area that stretches from the capitol to the Washington Monument. I dont know this one. Traces the history of flight,holds planes used by the Wright Brothers and Charles Lindbergh. Air and Space Museum?
*Monday, May 7, 2012 by Colton*

**Calculus**

Explain why a line in three-space cannot be represented by a scalar equation.
*Saturday, May 5, 2012 by J*

**Calculus**

Explain why a line in three-space cannot be represented by a scalar equation.
*Saturday, May 5, 2012 by J*

**math**

Suppose that you are responsible for predicting the cost of constructing a new office building. You find that the first story costs 500 dollars per square meter of floor space, and the second story costs 600 dollars per square meter. Assume that the costs per square meter form...
*Friday, May 4, 2012 by Kim*

**Earth & Space Science**

Could someone please tell me what do you do in this class. I'm going to be a senior next year [High School] , & thinking of taking this class. And also if someone could tell me where to find notes for that class. THANK YOU!
*Wednesday, May 2, 2012 by DAN*

**physics**

if you were in a spaceship in the furthest depths of space, and you fired a cannonball into space, what force would you have to exert on the ball to keep it moving?
*Wednesday, May 2, 2012 by lisa*

**Physics**

A deep space probe moves away from the earth with a speed of 0.75c. An antenna on the probe requires 3.00s probe time to rotate through 1 revolution. How much time is required for 1.00 rev according to an observer on Earth?
*Wednesday, May 2, 2012 by britney*

**a**

Consider what you have learned so far about the use of light in medieval, African, and North American buildings and artworks. Select a specific example, fully identified, and address the following in your discussion posting: How was light and height used in the art and ...
*Wednesday, May 2, 2012 by janvert*

**architecture**

Consider what you have learned so far about the use of light in medieval, African, and North American buildings and artworks. Select a specific example, fully identified, and address the following in your discussion posting: How was light and height used in the art and ...
*Wednesday, May 2, 2012 by Rober*

**Linear Algebra**

4 points A,B,C and D are situated in a 3-dimensional space. In a certain spot, the coordinates of A, C and D are known: A(1,1,1) C(2,0,1) D(0,3,0) The coordinates of the barycentre of {A,B,C} are: (4/3, 1/3, 4/3). a) Determine the coordinates of point B in the used spot.
*Tuesday, May 1, 2012 by Raf*

**Math - Combining Functions**

Kathy has a small business selling apple cider at the farmers' market. She pays $35 per day to rent her space at the market, and each cup of cider costs her $1. She sells the cider for $2.50 per cup and brings enough cider and cups to sell a maximum of 200 cups in a day. ...
*Monday, April 30, 2012 by Labz*

**Linear Algebra**

4 points A,B,C and D are situated in a 3-dimensional space. In a certain spot, the coordinates of A, C and D are known: A(1,1,1) C(2,0,1) D(0,3,0) The coordinates of the barycentre of {A,B,C} are: (4/3, 1/3, 4/3). a) Determine the coordinates of point B in the used spot.
*Monday, April 30, 2012 by Raf*

**combinatorics **

1. You have k slots (of the same size) to drop n tokens into. How many ways can you do this if the tokens are marked? Unmarked? (Hint: try with 3 tokens and 7 slots first) 2. What is the probability of getting them all in the unique “winning” slot? (Do you use the ...
*Monday, April 30, 2012 by Layla*

**Physics**

In an unusual return to space, Astronaut Sally Ride is conducting repair work on the Hubble Space telescope. She throws a hammer of mass 500.0g forward at 20.0m/s. The astronaut, mass 80.0kg, recoils in the opposite direction. What is Sally's recoil velocity?
*Sunday, April 29, 2012 by Sarah*

**English Parallelism**

I need help with parallelism i need to rewrite these sentences. 1. Because of prejudice in the corporation, not only did he leave but also sued for two million dollars; he did not win the case in court. 2. Since he wanted neither to get a ticket nor bother disable people he ...
*Sunday, April 29, 2012 by Courtney*

**Desktop publishing-Elements of Design**

Well i took this test and failed. This is the last test and i graduate. I posted [my answers] to the ones i think are right. 1. Study the following sentence, then select the answer that best describes it. THE COW JUMPS OVER THE MOON! A. Italic serifed type B. Bold roman sans ...
*Sunday, April 29, 2012 by Caralynn93*

**Physics**

Two baseballs, each with a mass of 0.157 kg, are separated by a distance of 379 m in outer space, far from any other objects. If the balls are released from rest, what speed do they have when their separation has decreased to 173 m? Ignore the gravitational effects from any ...
*Saturday, April 28, 2012 by Stella *

**physics**

Your teacher used to think he could move an entire space station floating weightless in space with a mere push of his pinkie finger. Was he correct?
*Saturday, April 28, 2012 by Anonymous*

**physics**

The finding that light in free space has one speed, and one speed only, is consistent with ____________________. A) the conservation of energy as shown by Maxwell.B) general relativity.C) Newton's laws of motion.D) electromagnetic induction. My book tells me it is A and D ...
*Saturday, April 28, 2012 by Kristie*

**Desktop publishing- Illistrations**

1. Since they’re partners in communication, an illustration should A. appear in a darker shade or color than text. B. appear in a lighter shade or color than text. C. be near its related text. D. feature a thin, dark border. 2. Graphic Designer A says that a halftone is ...
*Saturday, April 28, 2012 by Caralynn93*

**trig-math**

4. A carpenter wants to be sure that the corner of a building is square and measures 6.0 ft and 8.0 ft along the sides. How long should the diagonal be? A. 12 ft B. 10 ft C. 11 ft D. 14 ft 5. A wheel 5.00 ft in diameter rolls up a 15.0° incline. How far above the base of ...
*Saturday, April 28, 2012 by LOVE*

**math-TRIG**

1. Which angle measure is consistent with all of the following criteria? (i) The reference angle is 40°. (ii) The angle is more than one revolution. (iii) The angle's terminal side is in Quadrant II. (iv) The angle isn't positive. A. –580° B. –500°...
*Saturday, April 28, 2012 by LOVE*

**Physics**

a space-satellite mass of 600kg fires a rocket engine for 2 seconds expelling 40kg of exhaust gases at 350m/s. By how much will the speed of the capsule change? You may consider the initial relative velocities to be zero, but would it matter?
*Thursday, April 26, 2012 by Sarah*

**English - ms. sue**

ms. sue this be the first bit half of chapter 1. the main character talk about millenium issue i not really get it. question be how simple it be for issues to get out of control. "I am ninety. Or ninety-three. one or the other. When you're five, you know your age down...
*Thursday, April 26, 2012 by Mohammad*

**Physics**

Your teacher used to think he could move an entire space station, floating weightless in space, with a mere push of his pinkie finger. Was he correct?
*Thursday, April 26, 2012 by Anonymous*

**Algebra 2**

Suppose you roll two dice. Find the number of elements in the event space of rolling a sum of 2.
*Thursday, April 26, 2012 by t*

**Physics- momentum please helppp!!!**

An Astronut is working in space station when he notices that his safety rope tying him to the station has come undone. He is 5.00 meters away and drifting further away at 0.100 m/s. Fortunately he is holding a 1.00 kg hammer as well as a 15.00 kg antenna (that costs $100000). ...
*Wednesday, April 25, 2012 by Miso*

**Physics**

1) Which control on a music player or television set allows you to increase or decrease amplitude of the sound waves that come out of it? 2)Ripple tanks are used to observe two-dimensional waves. What should be the name of the amplitude control for two-dimensional waves? 3)...
*Tuesday, April 24, 2012 by G*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.725K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space?
*Tuesday, April 24, 2012 by Leila*