July 22, 2014

Homework Help: Science: Earth

Recent Homework Questions About Earth

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a satellite is in geosynchronous orbit 36,000 km above earth. describe how you would fond the speed of this satellite.\ http://en.wikipedia.org/wiki/Geosynchron​ous_orbit
Saturday, October 28, 2006 at 1:25pm

earth science
how do we find the mass of an object? mass=density * volume
Thursday, October 26, 2006 at 9:43pm

wat is the metric order....u know.....hecto base units that order? megameter kilometer hectometer dekameter base unitmeter decimeter centimeter millimeter micrometer kilometer km 1,0000 .62 mile hectometer hm 100 328.08 feet dekameter dam 10 32.81 feet meter m 1 39.37 inches ...
Wednesday, October 25, 2006 at 10:07pm

Earth Science
How are distances in space measured? What is the nearest star to Earth beyond the sun and how far away is it???? http://en.wikipedia.org/wiki/Light_year http://en.wikipedia.org/wiki/Alpha_Centu​ri why does Jupiter spin so fast while it's do big
Wednesday, October 25, 2006 at 9:40pm

Earth Science
What is circumpolar, when it is visible and what are two circumpolar constellations http://en.wikipedia.org/wiki/Circumpolar​_constellation http://en.wikipedia.org/wiki/Circumpolar​
Wednesday, October 25, 2006 at 9:39pm

Earth Science
The (blank) of these common rocks grow large because of the (blank) rate of cooling. Wow thats vague, crystals, slow or fractures, rapid ??? hmmm Variences, differential??nah Pumice rocks greatly expand as they shoot out of the volcano. The (Crystals)of these common rocks grow...
Wednesday, October 25, 2006 at 1:55am

A science student drops a rok down a mine shaft. It takes 3 sec. for the rock to hit the bottom of the shaft , at what speed of the rock just before impact? 32 feet per second per second is the acceleration rate of earth. At the end of second 1 the speed is 32 feet per second...
Tuesday, October 24, 2006 at 9:43pm

Earth Science
I need help with igneous rocks and the rock cycle. Is there a web site that will help me. One question is When magma cools below Earth's surface, it forms __________-grained, _________ igneous rocks. fine grained for your other word read: http://en.wikipedia.org/wiki/...
Tuesday, October 24, 2006 at 6:56pm

Earth physics I think
Keplerian motion/Analemma Does the earth actually alter speed or is it a result of the earth being closer to the sun at some points in its eliptical orbit or BOTH? Additionally does anyone know where the value of the earth/sun analemma can be found. I read it is in a nautical ...
Thursday, October 19, 2006 at 11:28am

What nees to be done to correct this sentence? Do you know who said,"Genius iS a an immense capacity for hard work"? A. The sentence is correctly punctuated. B. Place the question mark inside the final quotation mark. C. Change the comma to a colon. Please read this ...
Wednesday, October 18, 2006 at 9:36am

How can moving contiental plates change the surface of earth http://www.google.com/search?q=moving+co​ntinental+plates&start=0&ie=utf-8&oe=utf​-8&client=firefox-a&rls=org.mozilla:en-U​S:official Good websites linked here. =) what plate is iceland on how can ...
Tuesday, October 17, 2006 at 7:27pm

At what altitude above the Earth's surface would your weight be three-fifths of what it is at the Earth's surface? Assume re = 6.371 10^3 km. If weight decreases as the inverse square of distance, then 3/5= (re/r)^2 where r is the distance from the center of earth to ...
Monday, October 16, 2006 at 7:09pm

A spy satellite is in circular orbit around Earth. It makes one revolution in 6.02 hours. How high above Earth's surface is the satellite Use keplers law, comparing the moon period and distance from Earth to the Satellite. There are other ways of doing this.
Monday, October 16, 2006 at 6:50pm

I see others have asked the same question but I do not understand the answers given. Question is to do with zinc solid and dilute sulphuric acid. What substance is left? I see by other posts that Bob Pursley answered this question. I haven't seen his answer but here is a ...
Sunday, October 15, 2006 at 12:21pm

The theory that addressed the apparent ability of landmasses to move through the crust is called Continental Drift? I think this is the answer but not sure. Please help Yes, You're right. The Continental Drift theory is based on plate tectonics. http://kids.earth.nasa.gov/...
Sunday, October 15, 2006 at 11:21am

What is the famous isotope used in archeological dating? carbon 12 I thought it was carbon 14 yes carbon 14-- made an error But if you knew, why are you asking these questions? I need reaasurance, so when I have a test I know the exact answer C-14 is ONE of the radioactive ...
Sunday, October 15, 2006 at 10:22am

Earth Science (Climates)
The Atacama desert in northwest Chile is located on the west side of the Andes and at same latitude in Chile, the east side of the Andes is part of the tropical rain forest. In southern Chile, there is a lot of snow and rain on the west side of the Andes and desert conditions...
Friday, October 13, 2006 at 11:24pm

what if.....
What would happen if the earth's angle of inclination was 45 degrees instead of 23 degrees? It would cause it to become colder..... The change would be more complex than that. The poles would get more sunlight during various seasons, leading to greater melting at the poles...
Friday, October 13, 2006 at 11:22am

advanteges and disadvanteges of fossil fuels Check this site. http://home.clara.net/darvill/altenerg/f​ossil.htm advantages easy to get energy from not expensive to get energy from disadvantages pollutes the atmosphere with carbondioxide which leads to green house effect...
Thursday, October 12, 2006 at 4:09pm

a spaceship travels with a speed of 0.7c as it passes by the Earth on its way to a distant star. The pilot of the spaceship measures the length of the moving ship as 50m. Determine its length as measured by a person on Earth. Answer in units of m. for this question, do I just ...
Thursday, October 12, 2006 at 12:05am

I know that no one is here to do my homework but I am in quite a pickle today. I really need someone to give me a intro that I can start off on. Or even a sentance. I am really confused right now. a sentance is all i ask. Here is a sentence: Shakespeare used time to bring ...
Wednesday, October 11, 2006 at 6:05pm

I am writing an essay on "No Exit" by Jean-Paul Satre. The question is: How does the author's manupulation of time contribute to the effectiveness of the work as a whole. Do not just merly summerise the plot. I know that time in Hell is suspended/ halted. HOW is ...
Wednesday, October 11, 2006 at 3:28pm

Rotate the Earth using the arrows on the globe that show the direction of rotation. As viewed from the North Pole, what direction is the Earth spinning? clockwise or counter-clockwise? I suggest you do this exercise in class, since that globe apparently has arrows that show ...
Wednesday, October 11, 2006 at 3:07pm

a spaceship travels with a speed of 0.7c as it passes by the Earth on its way to a distant star. The pilot of the spaceship measures the length of the moving ship as 50m. Determine its length as measured by a person on Earth. Answer in units of m. for this question, do I just ...
Tuesday, October 10, 2006 at 9:46pm

The proper length of one spaceship is 5 times that of another. The two spaceships are travelling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to be the same length. If the slower spaceship is moving with a speed of 0...
Tuesday, October 10, 2006 at 6:54pm

what is a earthquake look it up in a dictionary science is hard but hang in there If you want to read about earthquakes, an encyclopedia can give much information. Look on plate tectonics. The core of the earth is very hot and consists of molten magma. There are a number of &...
Tuesday, October 10, 2006 at 12:10pm

help help help
The asteroid belt between Mars and Jupiter consists of many fragments (which some space scientists think came from a planet that once orbited the Sun but was destroyed). (a) If the center of mass of the asteroid belt is about 2 times farther from the Sun than the Earth is, how...
Monday, October 9, 2006 at 8:37pm

In the novel; Twelfth Night A quote is stated: "And thus a whiligig if time brings in his revenges" I am to write an essay on this. I have put some ideas together, yet I am unable to create an intro. Could you help by giving me a few hints on how to start an essay ...
Sunday, October 8, 2006 at 11:46am

Science / Geography
Losing Your Bearings 1. Begin journey at 40 degrees N by 77 degrees W. 2. Travel 4200 miles with a compass bearing of 130 degrees. 3. Travel 2800 miles with a compass bearing of 180 degrees. 4. Travel 5250 miles with a compass bearing of 90 degrees. 5. Travel 1750 miles with a...
Saturday, October 7, 2006 at 9:18pm

A rocketship, travelling away from earth with a speed of 0.8c, sends regular radio signals which are recieved on Earth every 45.2 min. According to the rocketship astronauts, how frequently are the signals being sent? I really need help. Its a basic question yet har for me. ...
Saturday, October 7, 2006 at 11:24am

the earth
name the four layers of the earth in order from the outside to the center of the earth This site will not only give you the layers but a picture and a discription. http://volcano.und.edu/vwdocs/vwlessons/​lessons/Earths_layers/Earths_layers2.htm​l crust, mantle, ...
Thursday, October 5, 2006 at 6:51pm

what steps do you think can be taken to reduce the harmful effects of human activities on biogeochemical cycles? i dont know What steps do you think can be taken to reduce the harmful effects of human activities on biogeochemical cycles? The first major step to take would be ...
Thursday, October 5, 2006 at 6:02pm

Why is it unlikely to find earthquakes at depths greater then 300km? (something to do with the athenosphere) According to the principle of isostasy, what will happen to the elevation of a mountain range in the early stages of erosion? Why are continents unlikely to be ...
Thursday, October 5, 2006 at 12:59am

earth science i need help
what is the relationship between the focus and the epicenter of an earthquake? http://www.sciencecourseware.org/Virtual​Earthquake/ earths early atmosphere formed during the early archean era. Which gas was generally absent fro mthe atmosphere at this time
Wednesday, October 4, 2006 at 9:59pm

What do you call Ignous rocks that form under the surface? Mary, igneous rocks are called fire rocks-underground,they are formed when the melted rock, called magma, deep within the earth becomes trapped in small pockets.As these pockets of magma cool slowly underground, the ...
Wednesday, October 4, 2006 at 9:27pm

Which of the rock-forming mineral groups makes up the largest group of minerals in the Earth's crust? Look here for your answer. http://www.google.com/search?hl=en&lr=&i​e=ISO-8859-1&q=minerals+earth%27s+crust&​btnG=Search http://en.wikipedia.org/wiki/...
Tuesday, October 3, 2006 at 9:24pm

Earth Science
What commonly used metal is extracted from hematite? There are a number or iron ores. Hematite is one of them.
Tuesday, October 3, 2006 at 9:15pm

earth science
which term is best defined as a measure of the amount of space a subtance occupies? volume It looks like you have answered your own question. If it is three dimensional, it is volume. However, if it is two dimensional, it is area. I hope this helps a little more. Thanks for ...
Tuesday, October 3, 2006 at 10:50am

a person stands on a bathroom scale in a motionless elevator. when the elevator begins to move, the scale briefly reads only .75 of the persons regular wieght. calculate teh acceleration of the elevator, and find the direction of acceleration.(ans 2.5 m/s^2, and down) confused...
Monday, October 2, 2006 at 9:38pm

Earth Science
What are 3 examples of graphing natural phenomenas? How would you predict their future occurences? One could graph the occurance of celestial bodies, such as the moon, sun, etc. Or graph the location of Vega, by hour. Or graph comets. You could graph rainfall by month over a ...
Monday, October 2, 2006 at 6:38pm

"Free-fall" Assigning Variables: Acceleration: If an object is going down: a = __________ If an object is thrown up: a = _________ If an object is dropped: a = _________ If an object is launched: a = _________ If yall could just give me the equations or variables, I ...
Sunday, October 1, 2006 at 1:51pm

Problem: In each of the following situations, what type of filtration device would you use? A. Remove powdered decolorizing charcoal from 20mL of solution? My answer: Filter Aid or Celite (diatomaceous earth) B. Collect crystals obtained from crystallizing a substance from ...
Saturday, September 30, 2006 at 9:25pm

Note: I am in Alegebra-based Physics. You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain tool is pushed on a frictionless horizontal surface by a 12.2 N force, it moves 16.3 m in the first 2.30 s, ...
Saturday, September 30, 2006 at 3:16pm

A satellite is in orbit around the earth, traveling at a rate of 85.4 minutes per orbit. a space shuttle enters the same orbit, traveling at a rate of 93.6 minutes per orbit. the shuttle is .25 orbits behind the satellite, traveling toward it. Let x be the # of orbits the ...
Thursday, September 28, 2006 at 7:59pm

earth science
How would you set up a simple experiment to test whether salt crystal growth is affected by temperature It might help if you were clear on how an experiment is set up. An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter...
Tuesday, September 26, 2006 at 9:27pm

Physics (as always)
A rocket moves upward, starting from rest with an acceleration of 29.4 m/s^2 for 4.00 s. It runs out of fuel at the end of the 4.00 s but does not stop. How high does it rise above the ground? Would I have to set up two seperate equations for this? one for the acceleration due...
Sunday, September 24, 2006 at 10:34pm

What 5 themes do geographers use to study the earth http://www.funsocialstudies.learninghave​n.com/articles/fivethemes.htm
Saturday, September 23, 2006 at 6:15pm

natural philosphy
Explain Platos conception of the cosmos, emphasising the ways in whish his thought represents a a synthesis of pre-socratic thinkers and the ways in which his thought reflects his idealist epistemological stance. Since this is not my area of expertise, I searched Google under ...
Saturday, September 23, 2006 at 4:31pm

An earth satellite moves in a circular orbit with an orbital speed of 5800 m/s. Find the time (expressed in seconds) of one revolution of the satellite. Find the radial acceleration of the satellite in its orbit. I think we need to know the radius of the earth and the ...
Friday, September 22, 2006 at 3:03pm

What does a 15 kg mass weigh on Earth? need assistance in setting up problem to get answer in Newtons and in pounds. thanks Weight in Newtons = M g =(Mass in kg) x (acceleration of gravity in m/s^2) The acceleration of gravity on Earth is g = 9.8 m/s^2. Do the multiplication ...
Thursday, September 21, 2006 at 12:13am

Gravity on the moon is only 1/6 as strong as gravity on earth. What is the weight of a 20 kg object on the moon and on earth? I have to find it in Newtons on earth and on the moon. WeightinNewtons= mass* gravity field on earth, the gravity field is 9.8N/kg, and on the moon, it...
Wednesday, September 20, 2006 at 7:50pm

Why is the earth round? Why is the water blue? Why doesn't the water fall off the earth? the earth is not perfectly round, water is blue because particles reflect blue light. The water cycle, type that in and google it to find out for yourself. I'd give u the link to ...
Wednesday, September 20, 2006 at 3:07pm

hi can you profread this for me? None of them were looking forward to the task ahead. First, Lori distributed the shovels; one to each person. The shovels were heavy, long-handled brutes that promised to feel like iron weights before the work was half over. Next, Lori paced ...
Wednesday, September 20, 2006 at 10:48am

You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain tool is pushed on a frictionless horizontal surface by a 12.2 N force, it moves 16.3 m in the first 2.30 s, starting from rest. You next observe that if...
Tuesday, September 19, 2006 at 11:25pm

A rocker acceleratess up ar 5m/s/s for 10s and at which point the fuel is exhusted, and then the rocket continues upwards in free fall. a)How high does teh rocket riseb)What total time does the rocket spend in the air? b) What total time does the rocket spend in the air? The ...
Tuesday, September 19, 2006 at 6:05pm

I have no idea!!! A river flows due south with a speed of 2.30 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4.50 m/s due east. The river is 900 m wide. In which direction should the motorboat head in order to reach a point on the ...
Monday, September 18, 2006 at 5:31pm

I have posted this one before, but the help I received went over my head... Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 21.0 m/s as it leaves the hose nozzle. Once it leaves the hose, the water moves ...
Monday, September 18, 2006 at 5:30pm

Given that the distancef rom Earth to the Moon is 3.8 x 10^8 m, that the Moon takes 27 days to orbit Earth, and that the mass of the Moon is 7.4 x 10^22 kg, what is the acceleration of the Moon and the size of the attractive force between Earth and Moon? Use v = (2pir)/T, ...
Monday, September 18, 2006 at 2:20pm

An area in your state has been flooded due to heavy rains. How might scientists from the three main branches of science interact in their study of the flood, its effects, and how future flooding might be controlled? OK, I will bite: What do you think the three main branches of...
Sunday, September 17, 2006 at 7:08pm

A river flows due south with a speed of 2.00 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4.20 m/s due east. The river is 800 m wide. What is the magnitude of his velocity relative to the earth? got it....4.65 m/s What is the direction ...
Saturday, September 16, 2006 at 4:07pm

How does Significant Figures work? If i had a number: 1,007,000 is that with 4 sig figs or 7 sig figs? I checked 5 different resources and gotten conflicting answers. Help! The answer will depend on what's being measured and how it's being measured. If that number were...
Thursday, September 14, 2006 at 9:32pm

science(8th Grade)
List three things aboout Minerals of the Earth Crust Author Holt Rinehart & Winston
Wednesday, September 13, 2006 at 8:29pm

which is saltier the gulf of mexico or pacific ocean http://www.windows.ucar.edu/tour/link=/e​arth/Water/images/salinity_big_gif_image​.html&edu=high The more orange, the higher salinity
Tuesday, September 12, 2006 at 7:38pm

I need some insight please for my arugementive essay about what makes people American. I was thinking that my main points could be culture, ciztenship, and knowing who you are. Would these be good points for my argumentive essay? OK, then your essay focuses on Native Americans...
Sunday, September 10, 2006 at 4:09pm

A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a and air resistance is negligible, is hit directly upward and returns to the same level 9.50 later. How fast was it moving just after being hit? The formula is the same as we use on earth, but the ...
Sunday, September 10, 2006 at 2:12pm

How many times did Earth orbit the sun between 140 CE and 1543 , how do you figure this up???? If you know how many years that is, the earth orbits the sun once a year. I hope this helps. Thanks for asking. How many years is 140 Ce to 1543 ?? We need to know 10 different kinds...
Tuesday, September 5, 2006 at 8:18pm

how the mountain grows? I only know of two ways that a mountain grows. One is if it is volcanic, growing on its own ejection of lava. Another would involve two of earth's tectonic plates exerting pressure on each other, pushing the mountain up. http://en.wikipedia.org/wiki...
Saturday, September 2, 2006 at 9:35am

A gyro compass is affected by 2 errors. Speed error and latitude error. I have no idea why this should be. Can anyone offer an explanation. Thank you, Mike. Since this is not my area of expertise, I searched Google under the key words "gyro compass error speed latitude&...
Friday, September 1, 2006 at 3:25pm

Sorry, Here's another question plus work
1. Gold, has a mass of 19.32g for wach cubic centimeter of volume, is most ductile metal and can be pressed into a thin leaf or drawn out into long fiber. -If a sample of gold, with a mass of 27.63g is pressed into a leaf of 1.000micometers thickness, what is the area of the ...
Thursday, August 31, 2006 at 3:47pm

earth science
What are two lines of evidence that indicate that earth is rotating? What is the motion of the stars at night? What does the Sun do in the day? i want to seach features of the earth in its inner structure
Wednesday, August 30, 2006 at 12:31pm

college algebra
The diameter of the Earth is approximately 7,920 miles. Given that the circumference of a circle is pi times its diameter, which statement best describes the length of a trip from Washington to Masdagascar that is approximately 8,600 miles long? a.One fourth of the ...
Tuesday, August 29, 2006 at 1:54am

The diameter of the Earth is approximately 7920 miles. Given that the circumference of a circle is _ times its diameter, which statemnt best describles the length of a trip from Washington to Madagascar that is approximately 8600 miles long? Your question is lacking the ...
Friday, August 25, 2006 at 12:45pm

earth science check?
17. the spectacular exposures of flat-lying sedimentary rocks in the _________ provide evidence of rapid deposits from a great Flood. ADIRONDACKS ALPS GLACIERS X GRAND CANYON grand canyon am i right? Yes. You're right.
Sunday, August 20, 2006 at 5:44pm

earth science am i right?
am i right 19. According to the law of __________, only a worldwide flood with its vast complex of sediment-saturated currents would produce horizontal superimposed layers of materials, thus forming a great series of sedimentary strata formed in various parts of the earth. X ...
Sunday, August 20, 2006 at 5:43pm

Tidal Heights/Barometric Pressure
What barometric pressure are tidal height predictions based on? Tidal height has nothing to do with barometric pressure. Barometric pressure is a reading that is measured. Now if you are wondering what the "standard" pressure is, it is the average barometric pressure...
Friday, August 18, 2006 at 4:10am

conclusion please help
Both novels are very emotional stories. Both writers inspire the reader by the use of their language styles. The English Patient is a piece of writing that makes one wonder the greatness of the desert. A Farewell to Arms makes one realize that love cannot always last. Both ...
Tuesday, August 8, 2006 at 12:30am

Can you proofread my essay? Can you also help me with making the essay run smoothly? I am having trouble transitioning my ideas. Thanks! In Justice Brennan’s essay, “Majority Opinion of the U.S. Supreme Court in Texas v. Johnson,” he writes, “Pregnant with ...
Monday, July 31, 2006 at 8:08pm

1)The acceleration due to gravity on the moon is 1.67 m/s2. If a person can throw a stone 12.0 m straight upward o the earth, how high should the person be able to throw a stone on the moon? Assume that the throwing speeds are the same in two cases. The height H attained when ...
Saturday, July 29, 2006 at 11:24pm

Where does energy come from? Energy can come from the complete destruction of matter (as in nuclear reactions), or the rearrangement of electrons or other charged particles inside matter (as in chemical reactions) or from electromagetic fields (as in light and heat radiation...
Monday, July 24, 2006 at 6:21am

science !!!!
does anybody know some quick facts about earth science (Broken Link Removed)​6L_MAAJ:www.mrsciguy.com/documents/13%25​20Must%2520know%2520facts.doc+earth-scie​nce+facts+-book+-dictionary+-+-books+-am​azon+-quiz&...
Saturday, July 22, 2006 at 6:25pm

Van Gogh's Starry Night....how would you describe his use of lines, colors, shapes and textures I love that piece. How would you describe it? I will be happy to offer critisms and critique of your observations, however, I am not going to do your assignment. Thanks Bob...I...
Saturday, July 15, 2006 at 1:52am

Can anyone solve the following problem. its a case study format our instructor gave to us. i was able to part one and construct a supply curve. just confused on the remaining parts...... Jerry Dewbre, owner of Dewbre Petroleum, had been very busy over the past 18 months. ...
Tuesday, July 4, 2006 at 5:11pm

I have a hard time solving this problem. The weight of an object at the surface of a planet is proportional to the planet's mass and inversely proportional to the square of the radius of the planet. Jupiter's radius is 11 times Earth's and its mass is 320 times ...
Sunday, August 28, 2005 at 12:10am

physical geography
If a ship's flag is 36' above sea level, could it be seen by someone in a building 100' high that was 18 miles away? (please show work) Yes it is visible. The ship and building are separated by a subtended angle of A = 0.2604 degrees. Between sea level points at ...
Saturday, August 27, 2005 at 7:44pm

speed of rocket
how fast does a rocket need to go to break earth's gravitationl pull The final rocket velocity required to maintain a circular orbit around the Earth may be computed from the following: Vc = sqrt(µ/r) where Vc is the circular orbital velocity in feet per ...
Thursday, August 25, 2005 at 5:54pm

How far of the Taurus form Earth?
How far of the Taurus form Earth? Answer in light year... Help me please.... The brightest star in the constellation of Taurus is Aldebaran (also known as Alpha Tau). An orange-red giant which is the thirteenth brightest star in the heavens, it was one of the four Royal Stars ...
Sunday, August 21, 2005 at 6:52am

PHYSICS - urgent
assuming there's no friction of, if two balls (one heavier than the other) are held up the same distance from the ground; the heavier ball will have more G.P.E than the lighter one, n when both are dropped, all the G.P.E can only change to K.E, as there's no friction; ...
Friday, August 12, 2005 at 5:59am

Neutron star-universal gravitational problem
Hi, i'm having problem w/ this question...i've tried everything i know and i still don't get the right answer...here's the info they give: Consider a neutron star of mass M = 1.99e+30kg and a radius of R = 10 km. They ask 3 question...two of which i have ...
Thursday, August 4, 2005 at 12:33am

physic's problem
GPE = MASS X GRAVITY X HEIGHT GRAVITY IS ALWAYS 10 M/S 2 (SQUARED) KE = 1/2 X MASS X SPEED 2 (SQUARED) I am uncertain what your question is. As a matter of interest, the value of 10m/s^2 for the acceleration of gravity is in error, in fact, it is never that value, but is less...
Saturday, July 23, 2005 at 6:48pm

1.If you mande a model of the solar system with the Earth. The size of a tennis ball [about 6.5c.m in diameter] How big would your model of the sun be? 2.How far away from the tennis ball Earth would your model Sum be.If you kept the size and distance to scale? Since the Sun&#...
Friday, July 22, 2005 at 10:20am

outer space
scientifically speaking (not philosophically or something), what is the probability that earth is the only planet in the universe that holds life? THANK YOUSOOO MUCH Depends on how one defines life. Zero is the best answer I can offer. Creationists would likely challenge that ...
Wednesday, July 20, 2005 at 10:25pm

WHAT CAUSE AN ELECTRON TO OCCUPY A HIGHER ORBIT?? Do you really mean an electron or are you really referring to a planet or satellite since the title of your post is astronomy? If you really meant a planet or satellite: Consider a satellite in a circular orbit around the earth...
Tuesday, July 12, 2005 at 7:38am

what's the full classification for humans, and dandelions? thanks http://www.sidwell.edu/us/science/vlb5/L​abs/Classification_Lab/Eukarya/Animalia/​Chordata/Vertebrata/Mammalia/Primates/Ho​minidae/Homo/Sapiens/ http://www.arkive.org/species/ARK/plants&#...
Monday, July 4, 2005 at 11:09am

physical science
The diameter of the sun makes an angle of .53 degrees from earth. How many minutes does it take for the sun to move one solar diameter in an overhead sky? ( Remember that it takes 24 hours or 1440 minutes for the sun to move through 360 degrees). How does your answer compare ...
Monday, June 27, 2005 at 11:32pm

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