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April 23, 2014

Homework Help: Science: Outer Space

Recent Homework Questions About Outer Space

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Chemistry
That looks pretty good. We can't space on the board; let me show you how to do it. You trick it with periods. ..........NH3(g) + H2S(g) ==> NH4HS(s) initial....0.2......0.2.........0 change.....-x........-x..........x equil....0.2-x...0.2-x............ Kc = 97.0 = 1/[(0...
Sunday, March 18, 2012 at 6:30pm

phys2
A 60-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. He would like to move toward his spaceship, but his jet pack is not functioning. He throws a 720-g socket wrench with a velocity of 5 m/s in a direction away from the...
Saturday, March 17, 2012 at 4:48pm

English
1) OK 2) There is nothing wrong with pulling out the paper with the company’s data during the interview. 3) You should arrive for your interview at least 10 minutes before your interview is scheduled to begin. You may not find a parking space right away, and you'd ...
Thursday, March 15, 2012 at 4:04pm

English
I forgot to add the following data. Thank you very much. 1) You should make a short list of the job requirements before going for the interview. 2) There is nothing wrong with pulling out the paper with the company’s data on during the interview. 3) You should arrive to ...
Thursday, March 15, 2012 at 2:48pm

geometry
Describe the image of D first reflected across line l then across line m. You have the letter D then a line up and down L then a space and then a line up and down M. Not sure how to describe the image.
Tuesday, March 13, 2012 at 10:16pm

English 1
1.Writers often communicate their themes by building clues into the story. Choose one story from Collection 4 and show how the author uses characterization, title choice, and key passages to develop the theme of the story. Use examples from the story, including quotes from the...
Monday, March 12, 2012 at 2:58pm

physics
A two staged rocket moves in space at a constant velocity of 4900m/s. The two stages are then separated by a small explosive charge between them. Immediately after the explosion the velocity of the 1200kg upper stage is 5700m/s in the same direction as before the explosion. ...
Monday, March 12, 2012 at 10:40am

physics
A space probe is traveling in outer space with a momentum that has a magnitude of 7.5e7 Kg*m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 2.0e6N and a direction opposite to the probe's motion. It fires for a ...
Monday, March 12, 2012 at 9:42am

Physics
A space probe is traveling in outer space with a momentum that has a magnitude of 7.5e7 Kg*m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 2.0e6N and a direction opposite to the probe's motion. It fires for a ...
Sunday, March 11, 2012 at 11:01pm

Chemistry
It looks like the rate equation is rate = k[A]2[B]3 but the numbers are so scrunched it's difficult to make them out. You would do well to space them and the easy way to do that is with periods; i.e., 1.0E-2...1.0...0.3E-6 etc. To find k, use any trial, plug the concns of ...
Sunday, March 11, 2012 at 6:42pm

Physics
A space explorer is 4.6 billion km away from a certain star, and observes that the gravitational force of attraction exerted on the spacecraft by the star is 500 N. What will the force become when the craft has approached to a position 2 billion km from the star?
Sunday, March 11, 2012 at 2:50pm

PHYSICS
A space explorer is 4.6 billion km away from a certain star, and observes that the gravitational force of attraction exerted on the spacecraft by the star is 500 N. What will the force become when the craft has approached to a position 2 billion km from the star?
Sunday, March 11, 2012 at 10:29am

space
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your later post.
Friday, March 9, 2012 at 6:37am

Physics
In the figure, two balls are located in deep space. The black ball has mass 56kg and the red ball has mass 17kg. The distance between the two balls is r=24cm. (a) Find the magnitude of the acceleration of the red ball. m/s2 (b) If r is 5 times larger, with what factor will the...
Thursday, March 8, 2012 at 9:13pm

Physics
You are in a space shuttle traveling in the circular orbit, which is 380 km above the Earth. Your friend is in another space shuttle traveling on the same circular orbit with you, but he is 20 km ahead of you. (a) How long will it take you to catch up with your friend if you ...
Thursday, March 8, 2012 at 9:12pm

math
the package space on a truck is 5 meters long, 3 eters wide, and 2 meters tall. what is the volume of the space
Thursday, March 8, 2012 at 8:32pm

space
If someone observes the moon for 60 days what days will their be a full moon?
Thursday, March 8, 2012 at 6:45pm

physics
the elecric potential at a certain point is space is 12 V. What is the electric potential energy of a -3.0uc charge placed at that point? is it +36uj?
Thursday, March 8, 2012 at 1:25pm

math
Will an object 52" x 9" fit into a space 49" x 41"?
Wednesday, March 7, 2012 at 6:20pm

English
I urgently need you to have a look at the following sentences. I really hope you are not looking after your grandchildren today. 1) Your account (description) of historical events is incomplete and occasionally wrong. In addition, you failed to cover the ten-line space (or ...
Wednesday, March 7, 2012 at 12:50pm

Physics
(the drawing is of a square with each side equaling L and the opposites of each corner are equal to each other, so the mystery corner would be 3I) Four parallel long straight wires are carrying current perpendicular to the page, and the points at which they pass through the ...
Tuesday, March 6, 2012 at 9:30pm

Math :(
A rectangular pyramid with the base of 12 feet by 8 feet need to be filled with balloons. if the pyramid 16 feet tall, how much space is available for the balloons?
Tuesday, March 6, 2012 at 7:48pm

Science-Space
Compare Earth and the moon in terms of size and surface gravity.Explain please. What is the relationship between the moon's surface gravity, lack of an atmosphere, and temperature range? Explain please!
Tuesday, March 6, 2012 at 5:42pm

English
2) Our students would really like to be involved in a student exchange programme with your students next year. As I wrote you in my previous email, we are going to include about twenty sixteen-year-old high-achievers. These students are looking forward to receiving email from ...
Tuesday, March 6, 2012 at 1:07pm

8th grade math
Parallel equations have the same slope. y = mx + b Perpendicular equations have a reciprocal and opposite slope. There is more to these questions than space allows here. Go to Khan Academy to view video's on how to do these equations.
Tuesday, March 6, 2012 at 12:41pm

astronomy
g would be the same because M/R^2 is the same. You would be able to jump the same distance, assuming you didn't have to wear a space suit. It's hard to jump in one of those contraptions.
Tuesday, March 6, 2012 at 10:50am

math (Ms.Sue)
your room has 2 windows.Each window occupies 11.76 square ft of wall space.if the windows are each 2.8 ft wide,how tall is each window? my answer is 4.2 ft,am i right? if not tell why.
Monday, March 5, 2012 at 6:59pm

math
Suppose the space needle in seattle washington casts a 220 ft shadow at the same time a nearby tourist cast a 2- foot shadow if the tourist is 5.5 feet tall how tall is the space needle
Monday, March 5, 2012 at 1:29pm

AVSC
Consider the low-speed flight of the Space Shuttle as it is nearing a landing. If the air pressure and temperature of the shuttle are 1.2 atm and 300 K, respectively, what is the air density? Note: 1 atm = 101325 N/m^2. Hint: Use ideal gas law!
Monday, March 5, 2012 at 12:45pm

Math
All I see is white space below.
Monday, March 5, 2012 at 9:01am

geometry
you want to buy a pickup truck and are interested in one with a large carrying capacity. One model features a rectangular prism-shaped cargo space, measuring 6ft by 10ft by 2ft;another has a space with dimensions 5ft by 11ft by 3ft. Which truck provides you with most carrying ...
Sunday, March 4, 2012 at 8:39pm

physics
Consider the low-speed flight of the Space Shuttle as it is nearing a landing. If the air pressure and temperature of the shuttle are 1.2 atm and 300 K, respectively, what is the air density? Note: 1 atm = 101325 N/m^2. Hint: Use ideal gas law!
Sunday, March 4, 2012 at 8:04pm

math
Emory is mounting 3 shelves of 12 3/4 in apart on a wall. If each board is 3/4 in. thick, what is the total vertical space occupied by the set of shelves?
Sunday, March 4, 2012 at 7:38pm

physics question
1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes near a space platform while you are moving at a relative speed of 86% the speed of light (so v=0.86*c). What is the length of the spaceship when ...
Sunday, March 4, 2012 at 7:21pm

Physics
1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes near a space platform while you are moving at a relative speed of 86% the speed of light (so v=0.86*c). What is the length of the spaceship when ...
Sunday, March 4, 2012 at 7:12pm

ap chemistry
Do you mean how we set one up or how we make an ICE chart on this board? On the board I use periods for spacing since board doesn't allow spacing after the first space. ...initial...........x............x..x etc.
Sunday, March 4, 2012 at 6:09pm

Biology
my sister still be sick so i still helping her post questions. i write paragraph from her textbook that go with question. Ultimately, Darwin recognized in nature a process that operates in a manner similar to the way artifical selection worked on farms and in fields. Darwin ...
Sunday, March 4, 2012 at 12:20pm

geometry
you want to buy a pickup truck and are interested in one with a large carrying capacity. One model features a rectangular prism-shaped cargo space, measuring 6ft by 10ft by 2ft;another has a space with dimensions 5ft by 11ft by 3ft. Which truck provides you with most carrying ...
Sunday, March 4, 2012 at 2:04am

Chemistry
How many moles of water are in 1.0g of water? (Give number only in space below to the correct number of significant figures)
Sunday, March 4, 2012 at 1:37am

geometry
you want to buy a pickup truck and are interested in one with a large carrying capacity. One model features a rectangular prism-shaped cargo space, measuring 6ft by 10ft;another has a space with dimensions 5ft by 11ft by 3ft. Which truck provides you with most carrying ...
Saturday, March 3, 2012 at 11:28pm

math
How can you decide whether a photo or drawing can be enlarged or reduced to fit a space without distorting the shape?
Thursday, March 1, 2012 at 9:01pm

Math
Area measures a one-dimensional space. It's used to find areas for carpet or floor tiles. Volume measures a three dimensional space. It's used to find how is needed to fill a box or a swimming pool.
Tuesday, February 28, 2012 at 6:20pm

Calculus - Incomplete
f' = 3x^2 + 2ax + b f'' = 6x + 2a f''(0) = -2, so 6*0 + 2a = -2 a = -1 f = x^3 - x^2 + bx + c Hey! (0,-2) is a) not a closed interval b) not written as [low,hi] Watch this space for further correct info.
Monday, February 27, 2012 at 4:02pm

math
Rental cost for offices spaces have been going up at 6.2% per year compounded annually for the past 5 years. If office space rent is now $32 per square foot per month, what were the rental rates 5 years ago
Sunday, February 26, 2012 at 11:44pm

Chemistry
You should have told me what Ka values you are using. Not all texts have the same values although they are close. I'm using 1.77E-4 for formic acid and I will call that HF. I know that isn't formic acid and you know that, too, but it saves some space on the line. HAc ...
Sunday, February 26, 2012 at 10:49pm

English
1)Speaker 4 has had lots of interviews lately. He was becoming a bit blasé by the time he had his last interview. What he hadn't planned on was that he had to park his car in a metered space. 2) As he didn’t have any change, it took him quite a while to find a ...
Sunday, February 26, 2012 at 6:08pm

English
Writeacher, I need you to check a paragraph I wrote some time ago. You revised just part of it. Thank you. 1)Speaker 4 has had lots of interviews lately. He was getting a bit blasé by the time he had my last interview. What he hadn't planned though was he had to ...
Sunday, February 26, 2012 at 5:42pm

Serial Killers
Could you maybe proofread over this essay I did on serial killers based on books I have read? Thanks! Jack The Ripper and Jeffrey Dahmer By:Bryce Screams and moans are heard all over the town as they unveil the corpse of Jack The Ripper's latest victim. Jack The Ripper and...
Sunday, February 26, 2012 at 1:29pm

Science
The earth would go in a straight line tangent to it's current rotation of the sun as the sun is no longer pulling it in causing the elliptical in the earths rotation. Without the gravity pulling it in, the earth would simply go flying off into space.
Sunday, February 26, 2012 at 12:50pm

Education
The major emphasis of Movement programs for young children is the development of concepts. In what three major categories are they broken into? Body,space,time What , who, were Movement skill and fitness Awareness , knowledge and understanding I think it's possibly A
Sunday, February 26, 2012 at 10:49am

College Physic I
A space probe is traveling in outer space with a momentum that has a magnitude of 4.99 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.87 x 106 N and a direction opposite to the probe's motion. ...
Saturday, February 25, 2012 at 8:48pm

English
1, 2, and 5 are fine. 3. space after comma (If you let someone stay with you longer than one or two nights, you simply say you're staying with him -- or staying at his house/apartment/wherever.) 4. The phrasal verb is fine, but how can you rephrase this so "crossing&...
Thursday, February 23, 2012 at 6:45pm

Geometry
Marion is observing the launch of a space shuttle from the command center. When she first sees the shuttle, the angle of elevation to it is 16°. Later, the angle of elevation is 74°. If the command center is 1 mi from the launch pad, how far did the shuttle travel ...
Thursday, February 23, 2012 at 5:59pm

COMM215
Not sure about #8. Was anything in your course materials about the use of "?!?" as correct end punctuation? If it's OK, just remove the space before the first question mark, and it'll be fine. In #36, the antecedent for "which" is not clear. http://...
Thursday, February 23, 2012 at 1:54pm

Recheck-Essay
So imagine<~~that verb has no subject my parents learned from their school and encouraged me, but<~~start a new sentence here if a villager living in a shanty town does not know the importance of oral hygiene, how will his children learn? Who is there to teach them?.<...
Thursday, February 23, 2012 at 8:00am

Stats
a coin is tossed twice, or until the first "tails" appears, whichever comes first. which of the following is the sample space for this random experiment? A, S=(H, T) B. S=(T, HT, HH) C. S=(T, TT)
Thursday, February 23, 2012 at 12:02am

college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between the container and the...
Wednesday, February 22, 2012 at 1:28am

college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between the container and the...
Wednesday, February 22, 2012 at 1:27am

business
which of the following is not a technique for emphasizing material in a résumé? A-presenting it in vertical lists B-including it as part of lengthy paragraph C- offsetting it with white space D- positioning it at the top of a page the answer is B
Tuesday, February 21, 2012 at 10:55pm

science
space
Tuesday, February 21, 2012 at 8:14pm

language arts/ analogies
Complete the analogies by selecting the pair of words who's relationship most resembles the relationship of the pair in capital letters. SCOLD:CHASTISE:: a. echo: reverberate b. depart: embark c. praise: lionize d. increase: augment (I think it is either a or d) FOREBODING...
Tuesday, February 21, 2012 at 7:13pm

math
I have a board 55 inches long, and 12, 4 inch balls, how far apart do I space them?
Tuesday, February 21, 2012 at 7:12pm

8th grade math in pre-algebra
a cabinet has shelves that are 12 1/2in.apart.on one shelf,katherine stacked a CD player that is 4 5/8 in. high on top of an amplifier that is 6 3/4 in.high. how much space was shace was left above the CD player?
Tuesday, February 21, 2012 at 5:42pm

Chemistry
You have two problems here. First, write Kc expression, substitute eq concns, and calculate Kc. Then you can address the second half of the problem.Note:I have omitted all of th zeros to save space but you should include them. ..............H2+ F2 ==> 2HF initial....0.05M.0...
Monday, February 20, 2012 at 9:33pm

PHYSICS HEELLPPP!!
Many people mistakenly believe that the astronauts who orbit the Earth are "above gravity." Calculate g for space shuttle territory, 225 kilometers above the Earth's surface (dashed line in sketch). Earth's mass is 6 1024 kg, and its radius is 6.38 106 m (...
Monday, February 20, 2012 at 3:26pm

phys3
A biologist is studying growth in space. He wants to simulate Earth's gravitational field, so he positions the plants on a rotating platform in the spaceship. The distance of each plant from the central axis of rotation is r = 0.11 m. What angular speed is required?
Monday, February 20, 2012 at 2:55pm

Physics
When an air capacitor with a capacitance of 380 nF (1 {\rm nF} = 10^{-9}\;{\rm F}) is connected to a power supply, the energy stored in the capacitor is 1.95×10−5 J. While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that ...
Sunday, February 19, 2012 at 11:13pm

principles of physics
7. If superman in space throws a boulder with 10 times as much mass as himself, and the boulder leaves his hands at 100 m/s, how fast does superman recoil? A) 1000 m/s. B) The same speed, 100 m/s. C) 10 m/s. D) None of these are correct.
Sunday, February 19, 2012 at 5:01pm

pop
If superman in space throws a boulder with 10 times as much mass as himself, and the boulder leaves his hands at 100 m/s, how fast does superman recoil? A) 1000 m/s. B) The same speed, 100 m/s. C) 10 m/s. D) None of these are correct.
Sunday, February 19, 2012 at 3:58pm

math
the international space station orbits 350 km above earth's surface. earth's radius is about 6370 km.use the pythagorean theorem to find the distance from the space station to earth's horizon.
Saturday, February 18, 2012 at 10:05pm

geometry
A rectangle is easy, as it can be divided up into a grid WxL and the area is just WL Take a parallelogram ABCD with sides a and bases b. If you draw vertical altitudes at A and B, you will see a rectangle in the middle, a triangle sticking out on one end, and a triangle ...
Friday, February 17, 2012 at 2:05pm

Psychology
Explain how even though images appear on the retina in two-dimensional space, we are able to perceive objects in three-dimensions ====== can someone answer this please? or give me an idea of this question? thanks
Thursday, February 16, 2012 at 10:07pm

Writing
Give Me Some Space Don’t you just wish you can have the time of your life without your parents? I know I wish I could. I would like to go out and hang out with my friends without parents such at parties with no chaperone. First reason is I could have a better relationship...
Thursday, February 16, 2012 at 6:55pm

Writing
Don’t you just wish you can have the time of your life without your parents? I know I wish I could. I would like to go out and hang out with my friends without parents such at parties with no chaperone. First reason is I could have a better relationship with my friends. ...
Thursday, February 16, 2012 at 6:43pm

algebra please ck.
joe wants to spend 70. dollars at most and has 60 cu inches of space left in his soldier's care package. candy costs $7 and takes up 3 cu inch of space phone cards cost $5. and take up 15 cu in. of space. Is this correct? if not please change it or tell me how ??? thanks ...
Thursday, February 16, 2012 at 6:39pm

PHYSICS HELP
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. A)Find his initial acceleration. i put 7.68* 10^-12 m/s^2 B)Find her ...
Thursday, February 16, 2012 at 2:58pm

physics
(ignore the other question i posted this is the right one) A rocket has a pre-ignition mass of 1100kg. On ignition it burns fuel at rate of 20kg s-1 producing a thrust of 10000N. How long after ignition of the fuel, will the rocket lift off? also explain how is it possible for...
Wednesday, February 15, 2012 at 5:04pm

physics
A rocket has a per-ignition mass of 1100kgs-1 producing a thrust of 10000N. How long after ignition of the fuel will the rocket lift off? also explain how is it possible for a rocket to accelerate in space. (i cant work it outt. i know it involves the rocket thrust equation ...
Wednesday, February 15, 2012 at 5:01pm

physics
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. 1)Find his initial acceleration. 2)Find her initial acceleration. 3)If ...
Wednesday, February 15, 2012 at 3:09pm

Physics
Comic-strip hero Superman meets an asteroid in outer space, and hurls it at 750 m/s, as fast as a bullet. The asteroid is three thousand times more massive than Superman. In the strip, Superman is seen at rest after the throw. Taking physics into account, what would be his ...
Wednesday, February 15, 2012 at 2:59pm

math
In the space below, indicate the values stored in the variables A,B,C, and D for the program. Enter your answers by typing in the value of A for Answer 1, value for B in Answer 2 and so on. Do this for all four variables.(8 points) 10 DATA 2,3,4,5 20 READ A1, B1, C1, D1 30 A...
Tuesday, February 14, 2012 at 7:02pm

artwork meaning
Analysis: what do you see? * elements of design (line, shape, form, colour, space, tone, texture) *principles of design (balance, rhythm, perspective, emphasis, variety, contrast, pattern, unity) * design strategies if used (fragmentation, abstraction, minification, ...
Sunday, February 12, 2012 at 6:57pm

algebra
would you please help me answer this question??? thanks mary wants to spend $70. at most for gifts but only has 60 cubic inches of space in her suitcase. rings cost $7 and take up 3 cubic inches of space and scarfs are $5 and take up 15 cubic inches. Write a system of four ...
Saturday, February 11, 2012 at 9:29pm

Accounting
Case study 2 Sailmakers Ltd John Jeffries recently left the army after more than 20 years in the service. He had decided that at 45 years of age it was time to start a second career. Throughout most of his life John had a passion for yachting and had competed successfully in ...
Saturday, February 11, 2012 at 7:34pm

ENGINEERING
2.68 * 62.4 = 167 lbs/ft^3 if it were solid rock so (167 - 100) = 67 pounds missing in voids 67 lb * 1 ft^3/167 lb = .4 ft^3 empty space check .6 * 167 = 100
Friday, February 10, 2012 at 8:09pm

English
Speaker 4 has had lots of interviews lately -- blasé means an interview has become too automatic, without interest, without "spark"!! What I hadn't thought of (accounted for) he hadn't planned on parking and having to put money in a meter for the ...
Friday, February 10, 2012 at 4:59pm

business
1. The appearance of a document can do all of the following EXCEPT: a.establish rapport with the audience. b. guide your readers' attention. c.substitute for the written text in the document.(*) d. build goodwill. 2. The design of a document reflects on the writer in ...
Friday, February 10, 2012 at 6:50am

Math
The warehouse manager on a construction site is trying to figure out a rational way to control inventory and has asked for your help. There are a number of parts that have roughly the same characteristics relative to consumption and size (key when determining inventory control...
Thursday, February 9, 2012 at 10:08pm

Physics
What is the frequency of the electromagnetic radiation from outer space that reaches the earth with a wavelength of 1 x 105 m, and a velocity of 1 x 105 m/s?
Thursday, February 9, 2012 at 8:23pm

English 7 HW Assignment (PLZ read!)
English HW: List the title of one song that includes on example of determination. Include the artists name, and write down the section of lyrics that provide an example of determination. My English teacher said that it could be a love song or a i don't umm... a sad song. ...
Thursday, February 9, 2012 at 6:17pm

earth space science
Since (1/2)^4 = 1/16, that would require 4 half-lives, which is 5 billion years.
Thursday, February 9, 2012 at 10:20am

earth space science
Potassium-40 has a half-life of approximately 1.25 billion years. Approximately how many years will pass before a sample of potassium-40 contains one-sixteenth the original amount of parent isotope?
Thursday, February 9, 2012 at 9:53am

spatial organisation of society
It is the organisation of space in the earth surface it is how things are arranged in the surface of the earth
Thursday, February 9, 2012 at 7:26am

physics
constant velocity means constant speed, constant direction. It would fly off in space. It must have a force applied moving it toward the Earth. If it has a Force, it must be accelerating.
Wednesday, February 8, 2012 at 8:28pm

business math
Dennison Property Company purchases a new office space for lease to small businesses for $2,400,000, including a land value of $400,000. The property is placed in service on March 15, 1999. Using MACRS, what is the depreciation on this property at the end of its first year? (...
Wednesday, February 8, 2012 at 8:05pm

physics
how do scientist know that the chemical elements here on earth are the same as on the planets in space and not some different elements
Wednesday, February 8, 2012 at 7:56pm

business math
Baker Company purchases a new delivery truck for $20,000. The truck is expected to have a useful life of 90,000 miles before replacement, and a salvage value of $2,000. In its first year the truck was driven 22,000 miles, and a further 19,000 miles in year two. What is the ...
Wednesday, February 8, 2012 at 1:44pm

geometry
an electronic manufacturer wants to ship a stereo system. The system includes the following components: 1 Receiver 20in. x 8in. 1 CD Player 20in. x 8in. x 5in. 1 Dual Tape Deck 20in. x 8in. x 6in. 2 Half-Cylinder Speakers, each with a height of 22 in. and a radius of 4 in. To ...
Wednesday, February 8, 2012 at 10:51am

physics
When a 1150 kg space rocket lifts off of ground. How many joules of energy has been provided by its engine during the time in which it achieves a speed of 180 m/s.
Tuesday, February 7, 2012 at 8:13pm

Physics (PLEASE HELP)
The force is q V B and is perpendicular to both the wire and the B field, which makes it radial inward. (A negative charge moving opposite to the current direction is attracted to the wire). For B, use Ampere's law of a straight wire. B = u * I /(2 pi R) where u is the ...
Tuesday, February 7, 2012 at 5:30pm

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