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April 18, 2014

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

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ALGEBRA
Assume upper case only, gives 26 letters. Add 10 digits, 1 space and 4 symbols. Total 26+10+1+4=41 possible symbols. Subtract the plate that has all spaces. This is a 7 part experiment each with 41 outcomes, so the total number of possible plates is N=41^7-1 =194754273880 I ...
Wednesday, May 16, 2012 at 10:50pm

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

physics question
A magnetic field fills the space around a magnet in which a magnetic force is exerted. The sources of magnetic field are moving charges.
Wednesday, May 16, 2012 at 7:06pm

Microsoft Word
Make the whole document single spaced, and then when you need to have that extra space between questions, just hit the Enter key twice instead of once.
Tuesday, May 15, 2012 at 9:33pm

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

maths
Let the supplementary angles be A and B . You can call them also A and 180-A, since they are supplementary. Draw a straight line and let a second line join it at point O, to divide the straight line into a zero degree line and a 180 degree line. The space above the line is ...
Monday, May 14, 2012 at 6:10am

Science
http://amazing-space.stsci.edu/resources​/explorations/galaxies-galore/teacher/sc​ientificbackground.html
Sunday, May 13, 2012 at 10:46pm

Math
Out of the possible numbers (in the sample space), if you cannot represent both events (odd and even) by a single outcome, then the events are mutually exclusive. In this case, we cannot have a number which is both odd and even, so E and F are mutually exclusive. Events A and ...
Sunday, May 13, 2012 at 3:10pm

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
Where is the blank space?
Wednesday, May 9, 2012 at 6:17pm

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. (X)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 11:01am

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
Air and Space Museum,Museum of Natural History,Smithsonian Inst are the only museum choices they give me.
Monday, May 7, 2012 at 5:08pm

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

Spanish-Please check
Few mistakes: ¿Te gustaría quedarte en una pensión o en un hotel? ¿Por qué? (with a space between them) Me gustaría quedarme en una pensión porque (in the answer without a space) es menos cara que un hotel (You do not need to ...
Saturday, May 5, 2012 at 10:34pm

Calculus
Sorry, I do not understand what you mean by a scalar equation. A line in three-space is defined by the intersection of two planes, each of which is of the form: Ax+By+Cz+D=0 A line can also be defined in parametric form, which is basically a point to define a position in space...
Saturday, May 5, 2012 at 7:55pm

Calculus
Could you please help me with this question though, I don't understand this one: Explain why a line in three-space cannot be represented by a scalar equation. thank you!
Saturday, May 5, 2012 at 12:37pm

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

Calculus grade 12
If three vector are mutually perpendicular, they form a basis for a three dimensional space. A plane is a two-dimensional space, so it cannot have three mutually perpendicular vectors.
Friday, May 4, 2012 at 6:36pm

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

application
I hope you'll be using proper capitalization, spelling, and wording -- I'm writing an officer application ... How much space do they give you?
Thursday, May 3, 2012 at 6:21pm

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
"furtherest" depths of space? Hmmmm. So you are at the edge of the expanding universe, which you cannot be, as that is the beginning of time, because distances within the universe are always increasing, the only force required to move the ball would be a local force ...
Wednesday, May 2, 2012 at 8:49pm

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

English/check please
Change each of these indirect quotations to direct quotations. Punctuate your quotation properly. examples: - Mrs king said,"I enjoyed our golf game" _Mrs king said that she enjoyed the golf game. 1)Mrs.King said that she wants a new putter. -Mrs King said," I ...
Tuesday, May 1, 2012 at 3:37pm

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

calculus
Tony has a rectangular piece of cardboard which is 60 cm by 40 cm. By cutting squares from each corner of the cardboard and turning up the sides, can he form an open-topped box which will hold (a) 6656 cubic centimeter? (b) 9000 cubic centimeters? (c) what is the maximum ...
Monday, April 30, 2012 at 11:57pm

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
http://grammar.ccc.commnet.edu/grammar/p​arallelism.htm 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. Isolate all the verbs in here and check to see if each has a subject. Then ...
Sunday, April 29, 2012 at 6:16pm

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
It looks as if you needed to do lots of studying, instead of lots of guessing. Make sure you STUDY in the future, okay? These are excellent places to look up the meanings of confusing terminology. Use them a lot!! http://www.answers.com http://en.wikipedia.org http://www....
Sunday, April 29, 2012 at 2:44pm

physics
Speed of light in the medium is v =c/n, where c is the speed of light in free space, n is the index of refraction. n (glass) ≈ 1.5, n(water) ≈ 1.33, n(air) ≈ 1. v(air) > v(water) >v(glass). Answer: C
Sunday, April 29, 2012 at 1:30pm

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
B) general relativity Second postulate of special relativity: The speed of light in free space has the same value C in all inertial frames of reference.
Sunday, April 29, 2012 at 9:05am

physics
Space stations are not weightless. The people inside them only think they are weightless. They are already moving along with the space station. A mass subjected to any unbalanced force, no matter how small, will accelerate.
Sunday, April 29, 2012 at 2:06am

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

Ethics
Having taught biomedical ethics, I wonder how abortion is biomedical? It is a medical procedure,either surgical or non-surgical, with social and religious ethics involved,which is of concern to some of the community. Some of them are really involved in it. biomedicine: 1. The ...
Thursday, April 26, 2012 at 9:53pm

Physics
I just wonder what "floating" in space means.
Thursday, April 26, 2012 at 9:17pm

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 8:21am

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

Geometry
Sorry Steve, you made a major error with your units... the radius of the Earth is around 6378 km not 6378 miles. You are trying to find the distance from the Space Station to the horizon, which would be the point of tangency. The tangent line from the Space Station will form a...
Monday, April 23, 2012 at 10:38am

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

ALGEBRA1
Consider the equation 4x + 6y = 48. Part 1: On your own paper, graph this equation using the slope-intercept method. In the space provided, explain, in words, each step of the procedure you used. Make sure to use complete sentences and correct grammar.
Sunday, April 22, 2012 at 8:03pm

life orientation
pollution, landfills, animals homes destroyed, less space on earth,
Sunday, April 22, 2012 at 3:43pm

Foreing languages
http://scholar.google.com/scholar?hl=en&​as_sdt=0,44&q=define+interior+monologue You'll find several good definitions and further explanation of interior monologue in these articles, especially the first 3 or 4. 1) The interior monologue has the following features: ...
Sunday, April 22, 2012 at 2:40pm

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
You're welcome.
Saturday, April 21, 2012 at 5:07pm

space
THANK YOU
Saturday, April 21, 2012 at 5:07pm

space
Read through some of these sites to see the ongoing NASA programs. http://www.google.com/#hl=en&sclient=psy​-ab&q=nasa+programs&oq=N.A.S.A++program&​aq=5q&aqi=g-q10&aql=1&gs_nf=1&gs_l=serp.​1.5.0i22l10.36341.48216.6.55480.11.11.0.​0.0.0.109.926.10j1.11....
Saturday, April 21, 2012 at 4:35pm

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

lang. arts
Stand in your own space and know you are there. - Anonymous And of course, my favorite Bible quote from John 3:16 - For God so loved the world that He gave His one and only Son that whoever beleives in Him will not perish but shall have eternal life. I do not know if I am ...
Saturday, April 21, 2012 at 1:44pm

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

programming
Below is a small perl program which does the job. You may not know perl, but it should be possible to figure out what it's doing. It does not validate input as a number, but it does illustrate some of the possible gotchas, and what can be done...
Thursday, April 19, 2012 at 11:43am

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