Friday

December 19, 2014

December 19, 2014

**Recent Homework Questions About Outer Space**

Post a New Question | Current Questions

**Math**

Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values (with ace = 1). A. Describe the outcomes of this experiment. List the elements of the sample space. B. What is the probabilit of obtaining a total of 5...
*Saturday, August 17, 2013 at 8:23pm*

**Earth Space (In desperate need) **

My teacher didnt have time to finish the lesson day, and I can't find the answers anywhere online or in my book. What are 2 main ways in which the earth moves? What does each movement cause? I have it rotates on its axis which causes seasons, but I cant think of other ones...
*Thursday, August 15, 2013 at 4:07pm*

**ADVANCED AMC8 GEOMETRY QUESTION/MATH**

In a chess variant, a "lord" can move one space at a time, either upward, or to the right, or diagonally upward and to the right. How many ways are there for a lord to move from the bottom left to top right corner of the 8 by 8 chessboard? This seems like a really ...
*Thursday, August 15, 2013 at 12:18pm*

**physics (please help elena)**

Three planets interact with one another through their mutual gravitational forces only; they are isolated in free space and do not interact with any other bodies. They orbit around an axis going through the center-of-mass of the system and perpendicular to the triangle formed ...
*Monday, August 12, 2013 at 2:53pm*

**Earth Space**

Which branches of earth science would the hydrosphere interact with? I said biosphere, atmosphere, and geosphere. Is that correct?
*Wednesday, August 7, 2013 at 4:23pm*

**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)? A. 8 square feet ...
*Tuesday, August 6, 2013 at 10:59am*

**Chem**

A student was performing an extraction procedure of o-Xylene from water into octanol. The total mass of o-Xylene was 0.10 gram (molecular weight 106.2 g/mole). The volume of water was 990mL and volume of octanol 10 mL. There is a head space of 200 mL above the solution and it ...
*Wednesday, July 31, 2013 at 9:19pm*

**physics**

Our muscles atrophy when there is no gravitational force. On long space flights this is a problem, which is why astronauts exercise. On very long space flights it might be advisable to simulate gravity. Your space ship is a long cylinder of radius 100 m that spins about its ...
*Monday, July 29, 2013 at 5:37am*

**problem solving**

How much space does the dining area take up? 100 guests, each guest requires 3m2 in the dining area, the average mass of each guest is 65 kg, and the average density of the dining area is 10kg/m2 How I can resolve this problem?
*Sunday, July 28, 2013 at 6:52pm*

**problem solving**

100 guests each guest needs 3 m2 of space average density of the area is 10kg/m2. how much space does the dining room take up?
*Sunday, July 28, 2013 at 3:59pm*

**Data Structures and Algorithms**

Given integers R,M with M≠0, let S(R,M) denote the smallest positive integer x satisfying the congruence Rx≡1(mod M) if such an x exists. If such an x does not exist, put S(R,M)=0. Each line of this text file contains a pair of space separated integers representing...
*Wednesday, July 24, 2013 at 5:46am*

**physics**

The sun radiates like a perfect blackbody with an emissivity of exactly 1. (a) Calculate the surface temperature(K) of the sun, given it is a sphere with a 7.00 multiplied by 108 m radius that radiates 3.80 multiplied by 1026 W into 3 K space. (b) How much power(W/m^2)does the...
*Sunday, July 21, 2013 at 3:01am*

**Physics**

The sun radiates like a perfect blackbody with an emissivity of exactly 1. (a) Calculate the surface temperature(K) of the sun, given it is a sphere with a 7.00 multiplied by 108 m radius that radiates 3.80 multiplied by 1026 W into 3 K space. (b) How much power(W/m^2)does the...
*Saturday, July 20, 2013 at 10:05pm*

**math**

How would you show the work for this. Bills locker is 30 inches tall, 10 inches wide, and 14 inches deep. If his books take up 1,545 in. of space, how much space does he have left to hang his coat and bookbag? Thank you
*Friday, July 19, 2013 at 9:53am*

**Physics**

A 170 kg astronaut (including space suit) acquires a speed of 2.75 m/s by pushing off with his legs from a 2400 kg space capsule. What is the average change in speed in meters/second of the space capsule?
*Friday, July 12, 2013 at 10:17pm*

**statistics**

MBA604 Statistics Assignment 1 Part 1 1) (5 pts) An electronics company is about to launch a new product. If the serial number for each piece produced has the following format: LLNNN where L stands for any letter in the English alphabet and N is a number from 0 to 9, please ...
*Friday, July 12, 2013 at 9:31am*

**statistics**

MBA604 Statistics Assignment 1 Part 1 1) (5 pts) An electronics company is about to launch a new product. If the serial number for each piece produced has the following format: LLNNN where L stands for any letter in the English alphabet and N is a number from 0 to 9, please ...
*Friday, July 12, 2013 at 9:29am*

**writing**

1)Al:(who's,whose)car is in my parking space? 2)Ben:(it's,its)Fred's. 3)Al:(know,no,his car is red.It might be the Jones'. 4)Ben:(their,there,they're)car is green.(here,hear)come Bob and Tony. 5)Tony:Hi!Isn't my (knew,new)car(grate,great)? 6)Al:(you'...
*Thursday, July 11, 2013 at 3:32pm*

**College Physics**

1. In a region of two-dimensional space, there are three fixed charges: +1 mC at (0, 0), −2 mC at (18 mm, -3 mm), and +3 mC at (-8 mm, 12 mm). What is the net force on the −2-mC charge? Find the magnitude and direction (counterclockwise from the x-axis).
*Tuesday, July 9, 2013 at 1:46pm*

**Statistics/Probability**

1. Two roommates, roommate A and roommate B, are about to go cruising with a mutual friend and are arguing over who gets to sit in the front seat. Roommate A suggests a game of rock-paper-scissors to settle the dispute. Consider the game of rock-paper-scissor to be a ...
*Sunday, July 7, 2013 at 11:34am*

**probability**

For a family with 2 children, the sample space indicating boy (B) or girl (G) is BB, BG, GB, and GG. If each of the outcomes is equally likely, find the probability that the family has 2 girls, given that the first child is a girl.
*Saturday, July 6, 2013 at 1:25am*

**physics**

The Space Shuttle travels at a speed of about 5.45 x 103 m/s. The blink of an astronaut's eye lasts about 111 ms. How many football fields (length = 91.4 m) does the Space Shuttle cover in the blink of an eye?
*Friday, June 28, 2013 at 1:54am*

**Math**

You are given the job of laying carpet for a six-story building. At each floor the dimensions of the floor are 75 meters in length by 40 meters in width. A stairwell takes up a space 2.5 m by 1.5 m, and cuts through each floor. If the rest of the floor area is to be carpeted, ...
*Wednesday, June 26, 2013 at 9:17pm*

**physics**

A spaceship is traveling through deep space towards a space station and needs to make a course correction to go around a nebula. The captain orders the ship to travel 2.9 106 kilometers before turning 70° and traveling 2.7 106 kilometers before assuming the path towards ...
*Wednesday, June 26, 2013 at 2:53am*

**Math**

I have a question my brother asked me but I need a math expert. You have two interlocking circles and the radius of circle B goes through the center of circle A and of course the radius of circle A goes through the center of circle B. The radius of each circle is 30 feet. Now...
*Tuesday, June 25, 2013 at 1:03am*

**statistics**

3. Magnetic resonance imaging (MRI) is a process that produces internal body images using a strong magnetic field. Some patients become claustrophobic and require sedation because they are required to lie within a small, enclosed space during the MRI test. Suppose 29% of all ...
*Sunday, June 23, 2013 at 9:50pm*

**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*

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