Tuesday

September 2, 2014

September 2, 2014

**Recent Homework Questions About Outer Space**

Post a New Question | Current Questions

**physics**

A space vehicle is coasting at a constant velocity of 24.9 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 0.338 m/s2 in the +x direction. After 53.7 s, the pilot ...
*Sunday, June 23, 2013 at 3:12pm*

**managerial economics**

Using optimization theory, analyze the following quotations: a. “The optimal number of traffic deaths in the United States is zero.” b. “Any pollution is too much pollution.” c. We cannot pull U.S. troops out of Iraq. We have committed to such already.”...
*Friday, June 21, 2013 at 1:34pm*

**Geometry**

A. Derive the distance formula (d) shown below for points A = (x1, y1) and B = (x2, y2). 2 2 1 2 2 1 d = (x − x ) + ( y − y ) Note: Look for an application of the Pythagorean theorem where the red line, segment AB, is the hypotenuse of a right triangle. You can ...
*Monday, June 17, 2013 at 8:37pm*

**space**

Consider a situation where immediately after birth, twins are separated. One continues to live on earth, while the other is whisked away in a space ship at 90% of the speed of light. After 65 years they are reunited. Will they look the same? Show proof of your answer through ...
*Thursday, June 13, 2013 at 1:05am*

**Theather Appreciation**

HENRIK IBSEN 1. Which of these eras is Ibsen considered to be the Father of? a. Symbolism Era b. The Poetic Age c. Romanticism d. Modern Drama 2. Where is Henrik Ibsen from? a. Romania b. Finland c. Ireland d. Norway 3. According to his power point, which was the first poetic ...
*Wednesday, June 12, 2013 at 3:16pm*

**Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.34, P(B) = 0.41, P(A | B) = 0.2
*Saturday, June 8, 2013 at 3:27pm*

**chemistry**

1.what are amber light from traffic signal? 2. what are cosmic rays from outer space?
*Saturday, June 8, 2013 at 2:18am*

**math**

A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) (a) P(two of diamonds) 1 (b) P(two) 2 (c) P(diamond) 3
*Friday, June 7, 2013 at 12:24am*

**English Composition II**

Modern memos expedite the reader’s task by featuring: A. fully developed, very long paragraphs. B. double spaces between each line, without any space between paragraphs. C. lots of boldfaced and/or italicized terms. D. shorter blocks of text.
*Tuesday, June 4, 2013 at 8:55pm*

**chemistry**

You will be presented with three crystallographic directions drawn in a unit cell. Please write the identity of the direction in the space provided below each picture. Use the correct form of brackets for describing a direction, and leave no spaces between numbers. If you must...
*Sunday, June 2, 2013 at 11:43am*

**Physics 1 College Level**

If D = 3204 meters and d = 1247 meters in the figure, what is the magnitude of the force on the space ship to the nearest MN? Consider all three to be point masses. I'm not even sure to begin with this question. Any help will be much appreciated!
*Saturday, June 1, 2013 at 4:09pm*

**chemistry**

You will be presented with three crystallographic directions drawn in a unit cell. Please write the identity of the direction in the space provided below each picture. Use the correct form of brackets for describing a direction, and leave no spaces between numbers. If you must...
*Saturday, June 1, 2013 at 8:15am*

**chemistry**

You will be presented with three crystallographic directions drawn in a unit cell. Please write the identity of the direction in the space provided below each picture. Use the correct form of brackets for describing a direction, and leave no spaces between numbers. If you must...
*Saturday, June 1, 2013 at 1:22am*

**math**

Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your answers as fractions.) Red...
*Thursday, May 30, 2013 at 11:15pm*

**english 2**

The paragraph below needs to be made more coherent. Use repetition, synonyms, and pronouns to link the sentences. Type the improved paragraph in the space provided on the following page Many cities are easily distinguished by their skylines. In such cities--New York and Paris...
*Thursday, May 30, 2013 at 2:22pm*

**Math/Statistics**

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75
*Wednesday, May 29, 2013 at 10:44pm*

**Math/Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.32, P(B) = 0.36, P(A | B) = 0.24
*Wednesday, May 29, 2013 at 10:43pm*

**physics**

The Sun radiates about 4 × 1026 J of energy into space each second. How much mass is released as radiation each second? The speed of light is 3 × 108 m/s. Answer in units of kg
*Wednesday, May 29, 2013 at 1:19am*

**Math/Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.32, P(B) = 0.36, P(A | B) = 0.24
*Tuesday, May 28, 2013 at 4:21pm*

**math**

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75
*Tuesday, May 28, 2013 at 4:20pm*

**Statistics**

Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your answers as fractions.) Red...
*Monday, May 27, 2013 at 10:14am*

**Statistics**

Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your answers as fractions.) Red...
*Sunday, May 26, 2013 at 3:28pm*

**statistics**

A and B are events defined on a sample space, with the following probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A) = 0.5 and P(B | A) = 0.4
*Sunday, May 26, 2013 at 2:10pm*

**statistics**

I have got all the other parts but not sure how to come up with this part????In a national survey of 500 business and 500 leisure travelers, each was asked where they would most like "more space." ----------------------------------------...
*Sunday, May 26, 2013 at 10:54am*

**child daycare**

Which of the following is one of the steps for successful inclusion? A. Provide every program requested. B. Modify appropriate environments and curriculum. C. Organize all children in an assigned, designated area. D. Use every inch of space in designated areas. answer C ...
*Saturday, May 25, 2013 at 9:56pm*

**Physics help**

The galaxies in the universe are all flying away from each other. The speeds of nearby galaxies are proportional to the distance the galaxy is away from us. This relation, v=Hd is known as Hubble's law and the constant H is known as Hubble's constant. The evolution of ...
*Thursday, May 23, 2013 at 11:26pm*

**Grammar (Ms. Sue)**

Rewrite the sentences below that contain errors in pronoun-antecedent agreement. If a sentence is correct, write "correct." 1. Max is learning skills that you need to be an astronaut. 2. Some of my friends wrote to NASA in his spare time to find out how to become an ...
*Monday, May 20, 2013 at 5:37pm*

**math**

Mark flips a coin twice. How many outcomes are in the sample space?
*Friday, May 17, 2013 at 7:43am*

**math**

Mark flips a coin twice. How many outcomes are in the sample space
*Thursday, May 16, 2013 at 7:58pm*

**Science 1 question SPACE**

I re-posted this question because noone helped and I need help fast! I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting objects. I am having ...
*Tuesday, May 14, 2013 at 10:42pm*

**Science space**

I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting objects. I am having so much trouble looking for such a picture. I have tried looking on ...
*Tuesday, May 14, 2013 at 10:18pm*

**physics**

the space shuttle typically orbits 400 km above the earths surface. The earth has a mass of 5.98 * 10^24 kg and a radius of 6380km. A) How much would a 2000 kg part for the space station weigh when it has been lifted to that orbit in the shuttles cargo bay? B)Use your result ...
*Tuesday, May 14, 2013 at 7:54pm*

**math probability-PLEASE HELP -thanks**

thanks for helping me! You spin the spinner twice. draw a tree diagram and list sample spaces to show the possible outcomes. From that answer questions 1,2 and 3. The spinner is 4 equal parts for a, b, c ,d I know the tree diagram- you Have a,b,c,d, and from each of those ...
*Sunday, May 12, 2013 at 2:46pm*

**math probabilty- please help**

You spin the spinner twice. draw a tree diagram and list sample spaces to show the possible outcomes. From that answer questions 1,2 and 3. The spinner is 4 equal parts for a, b, c ,d I know the tree diagram- you Have a,b,c,d, and from each of those letters ex. A has four ...
*Saturday, May 11, 2013 at 2:57pm*

**math help**

) Brian has 96 feet of fencing to enclose a rectangular space in his yard for his dog. He wants the rectangle to be twice as long as it is wide. Write and solve an equation to find the dimensions of the rectangle.
*Friday, May 10, 2013 at 9:59pm*

**math**

You spin the spinner twice. draw a tree diagram and list sample spaces to show the possible outcomes. From that answer questions 1,2 and 3. The spinner is 4 equal parts for a, b, c ,d I know the tree diagram- you Have a,b,c,d, and from each of those letters ex. A has four ...
*Friday, May 10, 2013 at 4:23pm*

**Lang. Arts**

select the pronoun that belongs in the underlined space. 1.___ of the people in Sri Lanka are Sinhalese,2._______are Buddhist by tradition. A smaller percentage are Tamil, of Hindu background. Civil wars have torn apart the small nation,3._____is a bloody and violent history. ...
*Friday, May 10, 2013 at 10:53am*

**Music**

3. Middle C and the D next to it is one step. -True? 10. A sharp written before an F on a staff applies to a. F and G b. All F's on that one line or space in that measure c. Only that note d. Always two notes C?
*Thursday, May 9, 2013 at 3:32pm*

**geo**

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)?
*Thursday, May 9, 2013 at 1:31pm*

**Geometry **

One right circular cone is set inside a larger circular cone. The cones share the same Axis, the same vertex, and the same height. Find the volume of the space between the cones of the diameter of the inside cone is 6in., the diameter of the outside cone is 9in and the height ...
*Monday, May 6, 2013 at 1:03pm*

**statistics **

A test has 1 true false question and 2 multiple choice questions(A B C D). Draw a tree diagram and determine the sample space for the possible ways to answer the test.
*Sunday, May 5, 2013 at 9:00pm*

**Physics**

a magnetic rail gun is constucted to give a space vehicle its intial launch velocity, thereby reducing the amount of fuel the vehicle has to carry. it consist of two very long parallel rails across which is positioned a large current carrying crossbar 7.65 m long. The crossbar...
*Saturday, May 4, 2013 at 5:32pm*

**Science**

Does the energy move from Earth’s surface and atmosphere out to space through radiation, conduction, or convection? Explain.
*Thursday, May 2, 2013 at 3:32pm*

**Math**

Juan's model locomotive is 7 5/8 in long HIs coal car is 6 1/4 in long when hooked together there is a 7/8 inch space between the cars. What is the total length when the two cars are hooked together? I added the fractions and got 13 7/8 what do I do with the 7/8 in space ...
*Wednesday, May 1, 2013 at 6:05pm*

**Science**

gravitational forces are be acted on a space center what other data need to show the forces a-direction of the opposite force b-magnitute of the downward force graviatational forrces are being acted on a space station i think what other of the two data are needed to fully show...
*Tuesday, April 30, 2013 at 10:58pm*

**science**

gravitational forces are be acted on a space center what other data need to show the forces a-direction of the opposite force b-magnitute of the downward force rigth answer: b
*Tuesday, April 30, 2013 at 9:02pm*

**Math**

A jar contains 1 blue crayon, 1 green crayon, 1 black crayon, and 1 red crayon. You grab 1 crayon without looking. Find the sample space for this experiment.
*Tuesday, April 30, 2013 at 1:57pm*

**Math**

A Competitive Coup in the In-Flight Magazine. When the manager for market intelligence of AutoCorp, a major automotive manufacturer, boarded the plane in Chicago, her mind was on shrinking market share and late product announcements. As she settled back to enjoy the remains of...
*Monday, April 29, 2013 at 3:17pm*

**chem**

For the following combination of reactants, enter the formulae of the products in the space provided and give their states. (Separate multiple products with a comma ",". Type your answer using the format Na2SO4(aq) for Na2SO4(aq). Do not balance the equation. If ...
*Sunday, April 28, 2013 at 7:44pm*

**physics**

two charge 5NC and -2NC are placed at a point (5cm,0,0)and (23cm,0,0)in a region of a space where there is no other electric field.calculate the electrostatic potential energy of this charged system
*Saturday, April 27, 2013 at 3:25am*

**math probablity**

Assume a family is planning to have three children. A. What is is the probablity of a family having 2 girls. B. The probablity of a family having at least 1 boy. C. List the sample space using a B for Boy and G for girl (Hint there should be 8 possible outcomes). ??????
*Friday, April 26, 2013 at 9:51pm*

**Help????????????????????/**

Assume a family is planning to have three children. A. What is is the probablity of a family having 2 girls. B. The probablity of a family having at least 1 boy. C. List the sample space using a B for Boy and G for girl (Hint there should be 8 possible outcomes).
*Friday, April 26, 2013 at 4:58pm*

**Math-probablity**

Assume a family is planning to have three children. A. What is is the probablity of a family having 2 girls. B. The probablity of a family having at least 1 boy. C. List the sample space using a B for Boy and G for girl (Hint there should be 8 possible outcomes).
*Friday, April 26, 2013 at 4:33pm*

**math**

An observer is located on the ground 6 kilometers from the point where a space shuttle is launched (vertically). When the shuttle is 8 kilometers high, it is travelling at 500 kilometers per hour. Determine, for that moment, the rate at which the distance between the observer ...
*Friday, April 26, 2013 at 1:04am*

**geometry**

you plan to carpet 468ft of space. carpet costs $26.75 per square yard and the tax is 7%. the carpet is sold in 12 ft rolls. what is the cost of the carpet?
*Thursday, April 25, 2013 at 8:24pm*

**Physics**

Why do the passengers in high-altitude jet planes feel the sensation of weight while passengers in the International Space Station do not? Please help; need an original answer no Google search. Thank you in advance...
*Thursday, April 25, 2013 at 3:58pm*

**Physics**

A particle with a charge of 31 µC moves with a speed of 62 m/s in the positive x-direction. The magnetic field in this region of space has a component of 0.50 T in the positive y-direction, and a component of 0.61 T in the positive z-direction. What is the magnitude and ...
*Thursday, April 25, 2013 at 1:56pm*

**Physics**

A particle with a charge of 31 µC moves with a speed of 62 m/s in the positive x-direction. The magnetic field in this region of space has a component of 0.50 T in the positive y-direction, and a component of 0.61 T in the positive z-direction. What is the magnitude and ...
*Thursday, April 25, 2013 at 1:56pm*

**geometry**

the bore of an engine cyclinder is the diameter of the piston and the stroke is the distance that the piston will travel up the cyclinder wall. The displacement is the volume of space that the piston goes thru. If the piston is 3.97" in dia. and the stroke is 4" what...
*Thursday, April 25, 2013 at 5:46am*

**VASTS (space)**

Rags, tie wraps, and safety wire are examples of what type of contamination?
*Wednesday, April 24, 2013 at 6:38pm*

**Science..physics**

The moon is the Earth's nearest neighbour in space. The radius of the moon is approximately one quarter of the Earth's radius, and its mass is one eightieth of the Earth's mass. a) Culculate the weight of a man with a mass of 80kg on the surface of the moon. b) ...
*Wednesday, April 24, 2013 at 4:17pm*

**Physics**

A space station is constructed in the shape of a hollow ring of mass 5.60 104 kg. Members of the crew walk on a deck formed by the inner surface of the outer cylindrical wall of the ring, with radius 140 m. At rest when constructed, the ring is set rotating about its axis so ...
*Wednesday, April 24, 2013 at 4:04pm*

**Geo math**

Some flowers are being planted in a circular flower bed with a 10-foot diameter. If each flower requires 5 square feet of space, about how many flowers can be planted? What formula do I use to solve this?
*Tuesday, April 23, 2013 at 1:45pm*

**Business Math **

A Competitive Coup in the In-Flight Magazine. When the manager for market intelligence of AutoCorp, a major automotive manufacturer, boarded the plane in Chicago, her mind was on shrinking market share and late product announcements. As she settled back to enjoy the remains of...
*Tuesday, April 23, 2013 at 9:56am*

**calculus**

Let A be the region in the plane consisting of those points (x,y) such that 0≤y≤1−x^2. Rotate A around the x-axis in space. What is the volume of the resulting solid?
*Tuesday, April 23, 2013 at 12:25am*

**Physics Eletric fields and coulomb's law)**

Please, I need the development and correct answer for this problem. I would really appreciate it. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far ...
*Monday, April 22, 2013 at 9:07pm*

**Physics**

Calculate the magnitude of the magnetic ﬁeld at a point 43.6 cm from a long, thin conductor carrying a current of 1.24 A. The permeability of free space is 1.25664 × 10^−6 T · m/A. Answer in units of T
*Monday, April 22, 2013 at 11:15am*

**Physics (Electric fields and Coulomb's Law)**

I need help with this question please. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion? _________ m Thank you
*Sunday, April 21, 2013 at 11:13pm*

**Electric fields and Coulomb's law**

Please, I need help with this question. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion? Answer:__________ m Thank you.
*Sunday, April 21, 2013 at 7:18pm*

**calculus**

6. The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) ...
*Saturday, April 20, 2013 at 9:32am*

**calculus (gr 12)**

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How ...
*Friday, April 19, 2013 at 6:06pm*

**Grade 12 Calculus **

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How ...
*Thursday, April 18, 2013 at 7:03pm*

**simple PHYSICS**

The space shuttle had a top orbital speed of 8000 m/s and orbited in a circular orbit approximately 320 km above the earth's surface. How long was one orbit in seconds?
*Thursday, April 18, 2013 at 4:20am*

**calculus (gr 12)**

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How ...
*Wednesday, April 17, 2013 at 9:45pm*

**English**

6.Isn't it a little (far-fetched selfseeking) to suggest that the pollution of our environment is mainly caused by creatures from outer space? far fetched 7.Unless the poor people of the country see some hope of improving their lives there will probably soon be a great ...
*Wednesday, April 17, 2013 at 9:38pm*

**science**

light trsavels at 3*10 m/s. an astrounaut shines a flash light in space. 4 hours later a martian sees a light from the astrounaut. how far away is mars from the astrounaut?
*Wednesday, April 17, 2013 at 10:42am*

** Probability**

If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?
*Tuesday, April 16, 2013 at 7:29pm*

** Probability**

If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?
*Tuesday, April 16, 2013 at 6:19pm*

** Probability**

If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?
*Tuesday, April 16, 2013 at 6:18pm*

**Physics**

In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this experiment a 2.20 104-m length of wire was let out by the space shuttle Atlantis to generate a motional emf. The shuttle had an orbital speed of 7.50 103 m/s, and the magnitude of the earth...
*Tuesday, April 16, 2013 at 1:40pm*

**physics**

Suppose you are in space can you decide whether you are in rest or motion
*Tuesday, April 16, 2013 at 12:29pm*

**calculus (gr 12)**

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How ...
*Tuesday, April 16, 2013 at 12:15pm*

**physics**

The space shuttle had a top orbital speed of 8000 m/s and orbited in a circular orbit approximately 320 km above the earth's surface. How long was one orbit in seconds?
*Tuesday, April 16, 2013 at 11:54am*

**Physics :(( help please TT**

The space shuttle had a top orbital speed of 8000 m/s and orbited in a circular orbit approximately 320 km above the earth's surface. How long was one orbit in seconds? Details and assumptions The radius of the earth is 6370 km.
*Tuesday, April 16, 2013 at 3:37am*

**Grade 12 Calculus **

6. The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) ...
*Monday, April 15, 2013 at 6:38pm*

**Physics**

An electric space heater draws 15.5 A from a 120 V source. It is operated, on the average, for 4.0 h each day. (b) How much energy in kWh does in consume in 30 days? (c) At 11 per kWh, how much does it cost to operate the heater for 30 days?
*Monday, April 15, 2013 at 12:48pm*

**Physics**

11-098-satellite_and_junk.jpg A spherical satellite of radius 4.6 m and mass M = 195 kg is originally moving with velocity vsatellite,i = < 3000, 0, 0 > m/s, and is originally rotating with an angular speed ?1 = 2 radians/second, in the direction shown in the diagram. A ...
*Sunday, April 14, 2013 at 4:06pm*

**stats**

Cushman and Wakefield accounting that the average annual rent for office space in Tampa was $17.63 per square foot. A real estate agent selected a random sample of 15 rental properties (offices) and found that mean rent was $18.72 per square foot and s= $3.64. At a= 0.05, test...
*Saturday, April 13, 2013 at 10:06pm*

**computer science**

I need help one how create a spreadsheet that will give an accurate launch profile for a vertical liftoff for the SpaceX Falcon 9 rocket. the information they give me is: •Start with a rocket with a mass, M1, moving with a speed, v1 •The rocket expels some small mass...
*Saturday, April 13, 2013 at 6:37pm*

**Science URGENT~**

1. Your ____ is your first line of defense against pathogens. (1 point) 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. (1 point) boil constrict ...
*Thursday, April 11, 2013 at 9:57pm*

**Child day care management**

1. At what age does exercise begin to result in strength in boys and girls? A. Between ages one and two B. Between ages three and four C. Between ages five and six D. Between ages six and seven 2. Athlete’s foot is an infection caused by A. dirt. C. allergic reaction. B...
*Wednesday, April 10, 2013 at 8:36am*

**LIVING A HEALTHY LIFE**

1. At what age does exercise begin to result in strength in boys and girls? A. Between ages one and two B. Between ages three and four C. Between ages five and six D. Between ages six and seven 2. Athlete’s foot is an infection caused by A. dirt. C. allergic reaction. B. ...
*Wednesday, April 10, 2013 at 3:47am*

**Chemistry**

The experimentally measured and generally accepted value for the molar volume of Na is about 23 cm3/mol. Which of the following best explains why the value calculated in Part B is significantly smaller than the measured values? Part B Answer 16.3 cm3/mol Which one would it be...
*Monday, April 8, 2013 at 9:23pm*

**Math**

A farmer is planting squash plants that need 2 3/8 feet to spread out. He has an area along a fence that is 20 feet long. Round the amount of space the squash plants need to the nearest 1/2 foot. How many squash plants can the farmer grow along the fence?
*Monday, April 8, 2013 at 5:37pm*

**math**

an oak tree grows 500 meters north of the bottom of a rectangular park. The oak tree takes up a space of a circular area with a radius of 2.5 meters .The center of the tree is 24 meters from the left side of the park .The park is 200 meters wide and has a length of 1300 meters...
*Monday, April 8, 2013 at 5:17pm*

**Physics**

In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this experiment a 2.20 104-m length of wire was let out by the space shuttle Atlantis to generate a motional emf. The shuttle had an orbital speed of 7.50 103 m/s, and the magnitude of the earth...
*Monday, April 8, 2013 at 3:20pm*

**FRENCHHHH**

conjugue les verbes a limparfait ou au passé compose guillame,quatorze ans,se rapelle son long sejour a l'hopital, quand il receivait la visite des animatuers de docteur clown,La premiere fois, j'ai cru(croire) qu'ils ______ (venir) d'une autre planete! ...
*Monday, April 8, 2013 at 12:14pm*

**physics**

A L=3 mile long conducting cable tethers a satellite to the International Space Station. The Cable moves through the Earth' magnetic field of about B=0.02 Gauss at a speed of v=8 km/sec. The cable points radially from the Space Station to the satellite. The ISS moves ...
*Sunday, April 7, 2013 at 5:23am*

**WRITING**

I need help revising for pronouns towards this paragraph: Choosing a roommate is more difficult than they might think. People have different attitudes about sharing a living space. These attitudes are often based on our notions of cleanliness, ownership, and personal space. ...
*Saturday, April 6, 2013 at 8:11pm*

**epidemiology **

In a study examining associations between level of education and response to the Philadelphia Public Health Department’s emergency messages to “shelter in place” (meaning stay in your home) following an accidental release of chemicals from the Sunoco refinery in...
*Friday, April 5, 2013 at 5:28pm*

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