Thursday

April 2, 2015

April 2, 2015

**Recent Homework Questions About Outer Space**

Post a New Question | Current Questions

**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 at 11:31am*

**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 at 1:31am*

**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 at 6:54pm*

**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 at 6:08pm*

**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 at 4:30pm*

**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 at 12:34pm*

**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 at 9:49pm*

**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 at 5:52am*

**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 at 9:01pm*

**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 at 4:29pm*

**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 at 9:41am*

** analysis **

What is meant by the sample space for a random experiment?
*Thursday, May 17, 2012 at 9:20pm*

**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 at 9:19am*

**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 at 9:55pm*

**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 at 9:29pm*

**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 at 7:14pm*

**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 at 7:13pm*

**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 at 7:09pm*

**science**

how does the moon move through space ?
*Tuesday, May 15, 2012 at 6:04pm*

**science**

how does the moon move through space ?
*Tuesday, May 15, 2012 at 8:54am*

**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 at 8:03pm*

**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 at 5:43pm*

**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 at 3:15pm*

**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 at 11:36am*

**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 at 6:24pm*

**Calculus**

explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
*Thursday, May 10, 2012 at 4:19pm*

**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 at 7:49am*

**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 at 6:15pm*

**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 at 10:40am*

**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 at 8:19pm*

**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 at 4:53pm*

**Calculus**

Explain why a line in three-space cannot be represented by a scalar equation.
*Saturday, May 5, 2012 at 12:29pm*

**Calculus**

Explain why a line in three-space cannot be represented by a scalar equation.
*Saturday, May 5, 2012 at 12:19am*

**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 at 9:35am*

**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 at 9:43pm*

**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 at 8:27pm*

**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 at 8:25pm*

**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 at 12:47pm*

**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 at 12:36pm*

**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 at 11:27am*

**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 at 11:00pm*

**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 at 9:59pm*

**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 at 7:54pm*

**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 at 10:42pm*

**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 at 6:03pm*

**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 at 11:41am*

**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 at 11:20pm*

**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 at 10:47pm*

**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 at 10:04pm*

**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 at 7:17pm*

**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 at 4:32pm*

**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 at 1:46pm*

**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 at 10:34pm*

**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 at 10:15pm*

**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 at 8:51pm*

**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 at 9:16am*

**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 at 11:34pm*

**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 at 6:11pm*

**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 at 12:09pm*

**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 at 12:02pm*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Tuesday, April 24, 2012 at 11:04am*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Tuesday, April 24, 2012 at 6:01am*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Tuesday, April 24, 2012 at 12:14am*

**Astronomy**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Monday, April 23, 2012 at 10:54pm*

**Fundamental DeskTop publishing**

there should always be ______ space(s) after the periios at the end of a sentence A: 1 B: 1.3 C : 2 D : 2.5 I got A. To key a capital letter K, hold down the ______ key while pressing the K key. A : Right skin B : Right Alt C : Left Shin D : Left Alt I got A.
*Monday, April 23, 2012 at 10:10pm*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Monday, April 23, 2012 at 9:14pm*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Monday, April 23, 2012 at 7:48pm*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Monday, April 23, 2012 at 6:44pm*

**Physics**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Monday, April 23, 2012 at 5:20pm*

**Astronomy**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Monday, April 23, 2012 at 1:44pm*

**physic**

1 A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both ...
*Monday, April 23, 2012 at 8:00am*

**Astronomy**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*Monday, April 23, 2012 at 1:48am*

**physics concept**

An astronaut who is floating freely through space is seated upon a unicycle. He begins to pedal the unicycle “forward.” As he does so,what would the astronauts' motion be in space? Would he rotate in the opposite direction of the spinning wheel?
*Sunday, April 22, 2012 at 10:05pm*

**Foreing languages**

Writeacher, can you please have a look if the following definition of interior monologue is correct (from the point of view of the content). Can you suggest a site on which this topic is investigated in further detail? 1) The interior monologue has the following features: ...
*Sunday, April 22, 2012 at 1:56pm*

**space**

i need facts why N.A.S.A should not shut down :) please hel pi cant find anything on google
*Saturday, April 21, 2012 at 4:28pm*

**science**

fill in the blanks with these worsd: galaxies gunpppowder guns hubble space telescope mummy sealed tomb the invention of 1990 of the led to the 1996 discovery of new .
*Friday, April 20, 2012 at 5:16pm*

**Physics**

Steel railroad tracks of length L = 18.30 m are laid at 10.0° C. How much space should be left between the track sections if they are to just touch when the temperature is T = 49.0° C? mm Please help. I have tried this L° α Δt = 18.3 * 13 10^-6 * (49 -10...
*Friday, April 20, 2012 at 2:49pm*

**Physic**

If a circular space station has on outside radius of 750Km, how fast must the space station rotate in order to give an astronaut with a mass of 90Kg an acceleration of 9.8m/s^2?
*Friday, April 20, 2012 at 1:26pm*

**science**

what is the word for high energy body on outer edge of space
*Thursday, April 19, 2012 at 7:51pm*

**Science**

Explain the relationship between force needed, gravity, and inertia that scientists have to think about when trying to launch something in space.
*Wednesday, April 18, 2012 at 10:11pm*

**Chemistry**

ATP synthase, shown below, uses the proton (H ) gradient to drive ATP synthesis. Put the following steps of ATP synthesis in order from proton transport to the synthesis of ATP: a. The y subunit rotates and interacts with the three alpha beta subunit pairs, causing ...
*Tuesday, April 17, 2012 at 10:27pm*

**business lowercapstone**

Assignment Type: Individual Project Deliverable Length: 4-5 body pages, 1 PERT chart, 1 Gantt chart Points Possible: 185 Due Date: 4/22/2012 11:59:59 PM CT Using your current work organization (or an organization of interest) as the subject matter, research the elements of ...
*Monday, April 16, 2012 at 6:01pm*

**math**

1. Gina wants to begin by figuring out how long the corn bed will be. She knows that in her previous two gardens, she was able to plant 2 rows in a 5 foot long space and 5 rows in an 11 foot long space. Find a linear equation for the length of the bed (y) in which she can fit ...
*Monday, April 16, 2012 at 5:17pm*

**Math**

If you rotate a right triangle in a complete circle pivoted around one of the right triangles short sides, the space covered forms which solid shape? A)cylinder B)triangular prism C)pyramid D)cone
*Sunday, April 15, 2012 at 11:06pm*

**Science**

Why are space telescopes able to make better observations in the ultraviolet and infrared ranges than ground-based telescopes? A)space telescopes are closer to the objects that they are observing B) the atmosphere absorbs or reflects much of the UV and IR radiation C) space ...
*Sunday, April 15, 2012 at 7:17pm*

**Earth/Space Science**

Earth's axis tilts at an angle of 23.5 degrees relative to its orbit. Analyze the climate conditions that would exist at the poles and the equator if the axis were parallel to the orbit.
*Sunday, April 15, 2012 at 6:43pm*

**algebra**

Ginas previous garden she was able to plant 2 rows of corn in a 5 foot long space and 5 rows of corn in a 11 foot long space. find a linear equation for the length of the bed (y) in which she can fit x rows of corn.
*Sunday, April 15, 2012 at 2:26pm*

**physics**

In any region of space where a magnetic field is changing in time, there is which of these?. A) None of these.B) induced electric field, also changing in time.C) All of these.D) even larger magnetic field.E) induced gravitational field.
*Sunday, April 15, 2012 at 9:55am*

**physics**

In any region of space where a magnetic field is changing in time, there is which of these?. A) None of these.B) induced electric field, also changing in time.C) All of these.D) even larger magnetic field.E) induced gravitational field.
*Saturday, April 14, 2012 at 8:30pm*

**physics - electrostatics**

A charged particle of mass m of 1 kg and charge q = 2 uC is thrown from a horizontal ground at an angle teta = 45 degree with speed 20 m/s. In space a horizontal electric field E = 2 x 10^7 V/m exist. Find the range on horizontal ground of the projectile thrown
*Saturday, April 14, 2012 at 4:36am*

**child day care**

You’ve decided to operate a day care home. Which one of the following factors is the most important in helping you make your decision? A. Your family is willing to share their living space with the children in the program. B. Your home seems to be large enough. C. You ...
*Friday, April 13, 2012 at 6:29pm*

**Math**

1. P5 is an innerproduct space with an inner product. We applied the Gram Schmidt process tot he basis {1,x,x^2,x^3,x^4} and obtained the following as the result {f1,f2,f3,f4,x^4+2}. a. What is the orthogonal complement of P3 in P5 with erspect to this inner product? b. What ...
*Friday, April 13, 2012 at 12:16pm*

**Math**

Janna is creating a multi-tiered cupcake display for a party. She plans on having 16 cupcakes on each tier. -There is a 1-inch space between all cupcakes. -The cupcakes have a uniform width [diameter] of 3 inches. -Each tier will display the cupcakes in either 2 rows of 8, or ...
*Thursday, April 12, 2012 at 9:24pm*

**physics**

A space vehicle is coasting at a constant velocity of 20.5 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 0.270 m/s2 in the +x direction. After 48.0 s, the pilot ...
*Thursday, April 12, 2012 at 12:06am*

**physics**

A space shuttle orbiting Earth at an altitude of 295 km completes an orbit in 90.0 min. Calculate its acceleration and compare it to the acceleration at Earth’s surface.
*Wednesday, April 11, 2012 at 6:31pm*

**physics**

Which of these are correct for an electric field? A) It's a vector quantity, and can be cancelled.B) Three of three are correct.C) It stores electric energy.D) Two of three are correct.E) It's the altered space surrounding electric charge.
*Tuesday, April 10, 2012 at 5:50pm*

**English**

I have been writing this story for English class and would love some input on what i should add to this story. I don't want it to make it a sappy story either. Also sorry for the grammar errors i haven't perfected it yet. The last man on earth sat alone in his room, ...
*Tuesday, April 10, 2012 at 3:21pm*

**MATH**

JUST WOULD LIKE TO KNOW IF I DID THESE PROBLEMS RIGHT. THANKS IN ADVANCE Starting a Business Starting your own business can be exciting and daunting at the same time. Businesses use math when managing finances, determining production levels, designing products and packaging, ...
*Monday, April 9, 2012 at 12:34am*

**calculus**

A magician writes a list of numbers, 1 through 10, on the board then turns his back to the board. Two audience members are asked to write different numbers from 1-10 in the first two spaces. One of the spectators adds the two numbers and places the result in position 3. Then ...
*Saturday, April 7, 2012 at 3:47pm*

**math**

Below is a sample space for a family with 3 children. BGG stands for the oldest child being a boy, the middle child a girl, and the youngest a girl. Use the sample space to answer the question:What is the probability (in simplest form) that the middle child is a boy? _____ ...
*Thursday, April 5, 2012 at 5:50pm*

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