Saturday

April 19, 2014

April 19, 2014

Number of results: 89,587

**Algebra 2**

saturn is approximately 1.4 x10^9 kilometers from the Sun. If light travels at approximately 3.0 x 10^5 kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation.
*Sunday, July 6, 2008 at 3:31pm by Mary*

**Algebra II**

The problem states: Saturn is approximately 1.4x 10 to the 9th power kilometers from the Sun. If light travels at approx. 3.0 x 10 to the 5th power kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation. The ...
*Sunday, February 3, 2008 at 10:54am by Lucy*

**algebra word problem**

The mass of Saturn is about 5.688 10^23 metric tons. The mass of the sun is about 1.998 x 10^27 metric tons. About how many times the mass of Saturn is the mass of the sun? Give answer in scientific notation. The mass of the sun is about ----- times the mass of Saturn. COULD ...
*Thursday, December 4, 2008 at 9:43pm by pj*

**astronomy**

1. The radius of the Sun is 7 X 10^5 kilometers. Use powers of ten to show that the Sun's radius is about 100 times the Earth's radius. 2. Given that an astronomical unit is 1.5 X 10^8 kilometers and a light-year is about 10^13 kilometers, how many AU are in a light-year? 1 x ...
*Tuesday, April 3, 2007 at 5:50pm by John*

**algebra 2**

The mass of Saturn is about 5.688 10^23 metric tons. The mass of the sun is about 1.998 x 10^27 metric tons. About how many times the mass of Saturn is the mass of the sun? Give answer in scientific notation. The mass of the sun is about ----- times the mass of Saturn.
*Sunday, June 13, 2010 at 8:56pm by at*

**math**

Saturn is 6 times further from the Sun than Mars. Define a variable and write and expression for the distance of Saturn from the Sun.
*Wednesday, September 8, 2010 at 4:36pm by Tammy*

**math**

Saturn is 6 times further from the Sun than Mars. Define a variable and write and expression for the distance of Saturn from the Sun. Not the same person
*Wednesday, September 8, 2010 at 4:49pm by James*

**physics**

a 50 kg person is standing on mercury. mercury's mass is .0553 times the earths mass and has a radius of 2439 kilometers a. what is the persons weight on saturn b. what is the persons mass on saturn how do i solve this, i dont need the answers, just an explanation
*Friday, November 14, 2008 at 7:50am by kim*

**Astronomy**

Show that Kepler's third law is consistent (approximately) for the orbits of the Mars and Saturn. Show all your calculations and appropriate units. P Mars = 690 days; a Mars = 2.3 x 108 km P Saturn = 10,700 days; a Saturn = 1.4 x 109 km
*Sunday, October 2, 2011 at 12:21pm by Rebecca*

**physics**

Are you sure you copied the problem correctly? It makes no sense to give you the size and mass of Mercury and ask for the weight on Saturn. Saturn's mass is 5.69 x 10^26 kg. Although this is 95 times the mass of the Earth, the gravity on Saturn is only 1.08 times the gravity ...
*Friday, November 14, 2008 at 7:50am by drwls*

**physical science**

the diameter of the planet saturn is 10 times that of the earth but the mass of the planet is only 90 times greater than that of the earth.what is the gravitational acceleration or number gs you will feel on saturn?(8.8m.s-2)
*Sunday, February 16, 2014 at 12:27pm by celiwe*

**physic**

A spacecraft of mass = 4673 kg with a speed 5.0 10 m/s approaches Saturn which is moving in the opposite direction with a speed 9.6 10 m/s. After interacting gravitationally with Saturn, the spacecraft swings around Saturn and heads off in the opposite direction it approached...
*Saturday, October 26, 2013 at 1:32pm by Anonymous*

**algebra**

1)Simplify:(3x^0y^-4)(2x^2y)^3 answer=6x^6 over y 2)Simplify:2x^2y^5z^-4 over 8x^6yz^3 answer= y^4 over 4x^4z 3)Saturn is 1.4 x 10^9 kilometers away from the sun. If light travels 3.0 x 10^4 km per second,how long does it take light from the sun to reach saturn? Express the ...
*Wednesday, August 1, 2007 at 12:15pm by erin*

**Physics**

Calculate the gravitational force between the Sun and Saturn. The mass of the Sun is 1.99×1030 kg. The mass of Saturn is 5680×1023 kg. The distance between them is 143×1010 m. In Newtons
*Thursday, February 13, 2014 at 10:01pm by John*

**Math**

The Pioneer 10 spacecraft passed the planet Jupiter on December 12, 1973, and exited the solar system on June 14, 1983. The craft traveled from Mars to Jupiter, a distance of approximately 1 billion kilometers, in one year and nine months. a.Calculate the approximate speed of ...
*Sunday, November 17, 2013 at 12:49pm by Aubrey*

**Science need help**

Shorter. To be a million times brighter than the sun, they must consume fuel (hydrogen and helium)a million times faster. But they only have 100 times more fuel than the sun; so they only last 10^2/10^6 = 10^-4 as long as the sun before blowing up and burning out
*Friday, December 21, 2012 at 4:59am by drwls*

**MATH ANALYSIS**

How do i do this? According to Kepler's Laws, planets have elliptical orbits, with the sun at one of the foci. The farthest Pluto gets from the sun is 7.4 billion kilometers. The closest it gets to the sun is 4.4 billion kilometers. Find the equation of the orbit of Pluto.
*Monday, December 7, 2009 at 8:50pm by anonymous*

**physics**

What would be the weight of 22.0kg dog at the equator on Saturn's surface? (Saturn's mass equals 5.69 X 10^26kg, Saturn's equatorial radius equals 6.03 X 10^7m, Earths mass equals 5.97 X 10^24)
*Monday, November 1, 2010 at 6:39pm by mercedes*

**physics**

A ship approaches saturn at 10.4km/s and saturns speed is 9.6km/s (relative to the sun). Take the interaction as elastic collision. Saturns mass is greater than the space ship. Find the speed of the ship after it goes around Saturn.
*Wednesday, December 8, 2010 at 12:45pm by katie*

**science**

what type of spectrum does the sun emit? where does nuclear fusion in the sun occur? if a star begins its evolution with 10 times the mass of the sun, but ends up with 2 times the mass of the sun, what type of object does it form?
*Monday, March 30, 2009 at 8:21pm by bo*

**science**

One of Saturn's moons has an orbital distance of 1.87×100000000m. The mean orbital period of this moon is approximately 23hours. Use this information to estimate a mass for the planet Saturn.
*Friday, July 26, 2013 at 12:36am by trina*

**physical science**

One of Saturn's moons has an orbital distance of 1.87 x 108 m. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.
*Thursday, December 8, 2011 at 1:08pm by chris*

**science**

One of Saturn's moons has an orbital distance of 1.87× 10m to the 8 power. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.
*Saturday, July 27, 2013 at 7:11pm by trina*

**Science 6th grade Earth's day and night ANSWERS**

1. how does earth's rotation cause day and night? (1pt) As the earth rotates toward the east the sun appears to rise in the east and set in the west. 2.Roughly how many times does the earth rotate during each complete revolution? (1pt) 365. 3. Saturn's day is roughly 10 hours ...
*Wednesday, March 12, 2014 at 4:30pm by Queen elsa*

**Physics**

Saturn makes one complete orbit of the Sun every 29.4 years. Calculate the radius of the orbit of Saturn. Hint: It is a very good approximation to assume this orbit is circular.
*Friday, June 29, 2012 at 2:14pm by Sierra*

**mila**

Determine the time it takes for a satellite to orbit the Saturn in a circular "near-Saturn" orbit. A "near-Saturn" orbit is at a height above the surface of the Saturn that is very small compared to the radius of the Saturn. [Hint: You may take the acceleration due to gravity ...
*Saturday, July 13, 2013 at 11:18am by perat*

**physic**

Determine the time it takes for a satellite to orbit the Saturn in a circular "near-Saturn" orbit. A "near-Saturn" orbit is at a height above the surface of the Saturn that is very small compared to the radius of the Saturn. [Hint: You may take the acceleration due to gravity ...
*Saturday, July 13, 2013 at 2:29pm by jasika*

**College Physics**

In 1986, the distance of closest approach of Halley’s comet to the Sun is 0.57AU. (1 AU is the mean Earth-Sun distance = 150 million kilometers.) The comet’s speed at closest approach is 54.97 km/s. (a) – By 1989, Halley’s comet had traveled to a distance corresponding to the ...
*Sunday, November 4, 2012 at 12:27pm by johnathan*

**Physics**

What is the weight of a 22.0 kg mass at the equator on the surface of Saturn? The mass of Saturn is 5.69 x 10^26 kg and the radius of Saturn is 6.03 x 10^7 m I tried this one using the equation : Fg= Gm1m2/r^2 Fg= (6.67 x 10^-11)(22.0kg)(5.69 x 10^26kg) / (6.03 x 10^7m)^2 I ...
*Wednesday, February 5, 2014 at 11:54pm by Anonymous*

**math**

Scientists believe that there is an extremly massive black hole at the center of the milly way. How many times more massive than the Sun would a black hole with a mass of 7.36 x 10^36 kg be? The mass of the sun is approximately 1.99 x 10^30 kg.
*Monday, November 15, 2010 at 6:39pm by Daniel*

**Ed**

In a AAA map of Ohio, 1 inch equals approximately 10 miles or 18 kilometers. If the distance on the map between Paulding and Eaton is 9.8 inches, how many kilometers is it between the two towns.
*Tuesday, January 12, 2010 at 2:29pm by Lisa*

**Math**

In a AAA map of Ohio, 1 inch equals approximately 10 miles or 18 kilometers. If the distance on the map between Paulding and Eaton is 9.8 inches, how many kilometers is it between the two towns?
*Wednesday, April 21, 2010 at 3:16pm by Lisa*

**Math**

In a AAA map of Ohio, 1 inch equals approximately 10 miles or 18 kilometers. If the distance on the map between Pauling and Eaton is 9.8 inches, how many kilometers is it between the two towns?
*Monday, November 11, 2013 at 8:40pm by Brittany*

**Physics - Astronomy**

A hypothetical moon is orbiting Saturn in a circular orbit that has exactly 3 times the period that an object orbiting in one of one of the gaps in Saturn's rings would have. As measured from the center of Saturn at what fraction [to 3 decimal places] of that moon's orbital ...
*Thursday, November 15, 2012 at 12:48am by Leslie*

**Physics**

a) What is the magnitude of the gravitational force that the Sun exerts on Saturn? b) What is the magnitude of the gravitational force that Saturn exerts on the Sun?
*Tuesday, October 23, 2012 at 6:18pm by Ryan*

**algebra word problem**

Divide the mass of the sun by the mass of saturn. (1.998 x 10^27)/(5.688 x 10^23). What do you get when you do this on your calculator?
*Thursday, December 4, 2008 at 9:43pm by DanH*

**Physics**

Approximately 4 x 10^9 kg of matter is converted into enery in the sun per second. Express the power output of the sun in watts.
*Thursday, December 31, 2009 at 11:37am by Aly*

**astrophysics**

P = The Sun's power output is therefore 3.90*10^26 Watts. D1 = distance of the earth from the sun = 1 AU = 149,598,000,000 m D2 = distance of Saturn from the sun = 9.54 AU Surface area, S, of a sphere of radius r =4πr² a. For Saturn, R2=9.54 AU =9.54*149,598,000,000 m ...
*Tuesday, November 24, 2009 at 9:09pm by MathMate*

**astrophysics**

1) Every second the Sun outputs 3.90* 10^26 Joules of energy. Power is energy output per unit time and is given in units of Watts (W) where 1 W = 1 Joule per second. The Sun's power output is therefore 3.90*10^26 Watts. This is called the solar luminosity. As this energy ...
*Tuesday, November 24, 2009 at 10:12pm by Easha*

**astrophysics**

1) Every second the Sun outputs 3.90* 10^26 Joules of energy. Power is energy output per unit time and is given in units of Watts (W) where 1 W = 1 Joule per second. The Sun's power output is therefore 3.90*10^26 Watts. This is called the solar luminosity. As this energy ...
*Tuesday, November 24, 2009 at 9:09pm by Easha*

**Science**

I need to now in order which of these are big in order from biggest to smallest: Moon, Whirlpool Galaxy, Hubble Deep Feild Galaxies, Hubble Space Telescope, Pleiades Star, Cluster, Saturn Sun Then the distance from closest earth to the farthest in order: Moon, Whirlpool Galaxy...
*Wednesday, January 10, 2007 at 3:42pm by Anonymous*

**physics**

A spacecraft of mass m1 = 4673 kg with a speed v1i=5.0 ×103 m/s approaches Saturn which is moving in the opposite direction with a speed vs=9.6×103 m/s. After interacting gravitationally with Saturn, the spacecraft swings around Saturn and heads off in the opposite direction ...
*Sunday, October 27, 2013 at 1:00pm by Anonymous*

**Geometry**

A satellite has-recently been placed in a nearly circular orbit 2000 kilometers above the earth’s surface. Given that the radius of the earth is approximately 6400 kilometers and that the satellite completes its orbit in 12 hours, calculate the speed of the satellite in ...
*Tuesday, May 17, 2011 at 11:47am by Keenan*

**science**

write T if the statement is true or F if it is false. a.)All the planets travel around the sun at the same speed.my answer is T. b.)The sun's gravity keeps the planets in orbit around it. my answer is F. c.)There is an asteroid belt between Jupiter and Saturn.my answer is T. d...
*Thursday, January 9, 2014 at 7:52pm by Anonymous*

**physics**

The sun is 1.5 1011 m from the earth. (a) Over what surface area is solar radiation spread at this distance? (b) What is the total power radiated by the sun? (The sun delivers energy to the surface of the earth at a rate of approximately 1400 W/m2.) (c) Treating the sun as a ...
*Monday, April 9, 2012 at 1:05pm by JOHN*

**Physics **

The surface of the Sun is approximately 5,650 K, and the temperature of the Earth's surface is approximately 295 K. What entropy change occurs when 6,000 J of energy is transferred by heat from the Sun to the Earth? (J/K)
*Monday, November 26, 2012 at 4:29pm by Sam*

**Physics Classical Mechanics**

A spacecraft of mass m1 = 2161 kg with a speed v1i=7.0 ×103 m/s approaches Saturn which is moving in the opposite direction with a speed vs=9.6×103 m/s. After interacting gravitationally with Saturn, the spacecraft swings around Saturn and heads off in the opposite direction ...
*Monday, October 28, 2013 at 6:13am by Anonymous*

**Physics **

The surface of the Sun is approximately 5,650 K, and the temperature of the Earth's surface is approximately 295 K. What entropy change occurs when 6,000 J of energy is transferred by heat from the Sun to the Earth? ______J/K
*Monday, November 26, 2012 at 3:55pm by Sally*

**physics**

saturn has a mass of 5.68 x 10^26 kg and a radius of 6.03 x 10^7 m. a) what would be the weight of a 65.0-kg person on the surface of saturn? b) what would be the weight of a 65.0-kg person 1000 km above the surface of saturn?
*Tuesday, January 11, 2011 at 12:09am by Pauline*

**Math/Algebra**

Delivery company charges $10 plus 40¢ per kilometer or part of a kilometer. Find the cost for a trip of: a.5 kilometers b.7.5 kilometers c.3.2 kilometers d.Graph the ordered pairs (kilometers, cost). Is this a function?
*Wednesday, January 29, 2014 at 4:59pm by Judy Conrad*

**physics**

The mean distance of the planet Neptune from the Sun is 30.05 times the mean distance of Earth from the Sun. a.) Determine how many Earth-years it takes Neptune to orbit the Sun. b.) The mass of teh Sun is 1.99 x 10^30 kg, and the closest distance of Neptune from the Sun is 4....
*Tuesday, December 16, 2008 at 7:08pm by Michelle*

**Physics**

Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surface of Saturn compared to that on the Earth
*Friday, December 16, 2011 at 10:20am by Calitryphosa*

**physics**

2. Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surface of Saturn compared to that on the Earth
*Wednesday, January 11, 2012 at 9:23am by crystal*

**Math**

Atmospheric pressure changes as you rise above earth's surface. At an altitude of h kilometers, where 0<h<80, the pressure P is newtons per square centimeter is approximately modeled by the function P(h)=10.31e^(-0.116h). What is the approximate pressure at 50 kilometers...
*Tuesday, November 8, 2011 at 11:03pm by Dawn*

**chemistry**

The proton has a radius of approximately 1.0 times 10^{ - 13} cm and a mass of 1.7 times 10^{ - 24} g. Determine the density of a proton. For a sphere V = (4/3)times pi r^3.
*Sunday, September 5, 2010 at 12:00am by Mely*

**Physics - centripetal acceleration**

What is the centripetal acceleration of a satellite orbiting Saturn at the location exactly on Saturn radius above the surface of Saturn
*Sunday, October 31, 2010 at 10:03pm by Farah*

**physics**

I just found the following: I didn't find any time tables I still need help Regards Solar radiation on Earth: As the Sun's energy spreads through space its spectral characteristics do not change because space contains almost no interfering matter. However the energy flux ...
*Saturday, December 4, 2010 at 2:19pm by bark*

**math**

One mile is equal to: A} 1.61 kilometers B} 3.52 kilometers C} 0.91 kilometers D} 2.34 kilometers
*Saturday, February 13, 2010 at 8:27pm by matty*

**math**

light from the sun takes approximately 8 minutes to reach earth. If the light travels at a speed of 3 x 10 raised to 8 meters / second, calculate to 3 significant figures the distance from the sun to the earth
*Sunday, September 29, 2013 at 10:02am by chetan*

**pre-algebra**

A) light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation B) the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the...
*Thursday, November 13, 2008 at 11:08pm by Extra homework*

**my pre-algebra questions**

A) light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation B) the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the...
*Thursday, November 13, 2008 at 11:35pm by NObody answers*

**Physics**

thanks Damon i understand it now: so if the question is : the distance between the sun and Earth is about 1.5*10^11m. Express this distance with an SI prefix and in kilometers. im getting . 1.5*10^8 km?
*Wednesday, January 28, 2009 at 9:03am by y912f*

**Physics - solar power in space**

Hi, this requires some basic knowledge of astrophysics. I missed last lecture that covered this, so though I'd prefer thorough solutions to these problems, I'd appreciate it even if you could tell me which formulas to use to solve each part of the problem. Thanks! NASA’s Mars ...
*Wednesday, March 4, 2009 at 3:42am by Mark*

**science question?**

can someone explain this to me? When the temperature is 68°F, the speed of sound in air is approximately 343 meters per second. Approximately how many kilometers does sound travel in five seconds?
*Wednesday, April 2, 2014 at 12:00pm by matt*

**math 7th**

When the temperature is 68°F, the speed of sound in air is approximately 343 meters per second. Approximately how many kilometers does sound travel in five seconds? Can some one help with the steps?
*Wednesday, April 24, 2013 at 8:34pm by Chris*

**pre-calculus**

A developer wants to build homes on a rectangular plot of land 4 kilometers long and 3 kilometers wide. In this part of the city, regulations require a greenbelt of uniform width along two adjacent sides. The greenbelt must be 10 times the area of the development. find the ...
*Friday, October 14, 2011 at 6:46pm by jordan*

**physics**

Sun will turn into a red giant star one day. Today the sun has a mass of 2*10^30kg and a radius of 70km and an angular velocity of 2.85*10^-6 rad/s. How fast are the particles moving at the surface of the sun? When the sun turns into a red giant its mass will be 75% of what it...
*Sunday, December 7, 2008 at 9:07pm by anthony*

**science**

If Earth is 149.6 million Kilometers from the sun, or 93 million miles away. suppose there was an imaginary road from earth to the sun. If you were in a car traveling 100 km an hour, it would take you 1,490,000 hours or just 170 years to reach the sun. If it took 170 years to ...
*Wednesday, April 2, 2008 at 4:43pm by Dj*

**Astronomy**

If the giant blue star R136a1 has the diameter 35 times our sun, how many times bigger is it? example: our sun is 1.3 million times bigger than the earth. thanks for the help!
*Sunday, August 28, 2011 at 12:08pm by Ed West*

**MATH**

Earth, Jupiter, and Uranus all revolve around the sun. Earth takes 1 yr, Jupiter 12 yr, Saturn 30 yr, and Uranus 84 yr to make a complete revolution. One night, you look at those three distant planets and wonder how many years it will take before they have the same position ...
*Wednesday, October 27, 2010 at 1:45pm by JESSICA*

**Math**

The earth is approximately a sphere. It's diameter is about 12730km. Water covers approximately 66% of the earths surface. How many square kilometers of land covers the earths?
*Friday, August 31, 2012 at 1:36am by Danielle*

**Astronomy**

Saturn’s Moon Janus is observed to orbit the planet with period 0.695 days, grazing the planet with an orbital radius only 2.64 times the radius of the planet itself. Use this information to find the mass of Saturn. Express your answer as a multiple of the mass of Earth M&#...
*Sunday, December 23, 2012 at 2:34pm by sam*

**scientific notation?**

A) light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation B) the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the...
*Thursday, November 13, 2008 at 11:50pm by 8th grade*

**8th grade**

A) light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation B) the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the...
*Thursday, November 13, 2008 at 11:50pm by 8th grade*

**Physics....Orbiting Satellite**

A orbiting satellite stays over a certain spot on the equator of (rotating) Venus. What is the altitude of the orbit (called a "synchronous orbit")? I found the radius and mass of Venus on the google, but I don't know what I should plug in the "T" if I use the Kepler's 3rd law...
*Monday, January 15, 2007 at 3:10pm by Jessy*

**Science**

How many ice ages do scientist estimate have occurred during the last billion years? 3 5************************************* 6 7 How often do scientists say that recent cycles of advancing and retreating ice sheets occur? approximately every 100,000 years******* approximately...
*Wednesday, March 12, 2014 at 2:09pm by Cassie*

**math**

Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
*Saturday, January 12, 2013 at 4:55pm by Larry*

**math**

Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
*Saturday, January 12, 2013 at 4:57pm by Larry*

**math**

Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
*Saturday, January 12, 2013 at 5:04pm by Larry*

**math**

Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
*Sunday, January 13, 2013 at 9:15am by Larry*

**Physics**

Approximately 4x10^9 kg of matter is converted into energy in the sun per second. Express the power output of the sun in watts.
*Thursday, September 27, 2012 at 9:42am by Mel*

**Physics - centripetal acceleration**

R = 2r m v^2/R = G m M /R^2 so v^2/R = Ac = G M/(4r^2) where M is Saturn mass r is Saturn radius G is gravitational constant
*Sunday, October 31, 2010 at 10:03pm by Damon*

**science**

what is hubble telescope, moon, saturn, sun, pleiades stars, whirlpool deep field in order to smallest to largest?
*Wednesday, January 12, 2011 at 3:17pm by liz*

**Precalculus/Trigonometry**

How can I write a polynomial equation for this problem and draw a labeled diagram? A developer wants to build homes on a rectangular plot of land 4 kilometers long and 3 kilometers wide. In this part of the city, regulations require a greenbelt of uniform width along two ...
*Saturday, October 27, 2007 at 1:14am by Amanda*

**Astronomy**

Compared to the Sun's gravitational force on the Earth, what is the Sun's gravitational force on Jupiter. Jupiter's average distance from the Sun=5AU Earth's average distance from the Sun=1AU Jupiter's mass is 300 times larger than Earth. I think the answer is 25 times weaker...
*Tuesday, September 14, 2010 at 11:26pm by Anonymous*

**Geometry**

11-1 Lines that Intersect Circles 15. Olympus Mons's peak rises 25 kilometers above the surface of the planet Mars. The diameter of Mars is approximately 6,794 kilometers. What is the distance from the peak of Olympus Mons to the horizon to the nearest kilometer?
*Monday, March 19, 2012 at 8:15pm by Ariel*

**statistics**

It is claimed that an automobile is driven on the average more than 20,000 kilometers per year. Random sample of 10 automobile owners are asked to keep a record of the kilometers they travel. If the sample mean and standard deviation of automobile driven are found to be 23,500...
*Friday, June 3, 2011 at 5:35pm by Ali*

**astronomy**

Arcturus is about half as hot as the Sun but is about 100 times more luminous. What is its radius campared to the sun. If Arcturus is half as hot, it radiates (1/2)^4 = 1/16 as much as the sun PER UNIT AREA. But since it radiates 100 times more totally, it must have 1600 times...
*Monday, April 30, 2007 at 1:44am by rohit*

**physics**

The amount of radiant power produced by the sun is approximately 3.9 x 1026 W. Assuming the sun to be a perfect blackbody sphere with a radius of 6.96 x 108 m, find its surface temperature (in kelvins).
*Tuesday, May 15, 2012 at 4:28am by RM*

**science**

if earth is one astronomical unit from the sun and has a period of 1 year, approximately how far is planet X form the sun if it has a period of 26 yearS
*Tuesday, January 11, 2011 at 1:08am by bob*

**Math**

the time x (in days), that it takes a planet to revolve around the sun can be approximated by the equation x=0.407√(d^3),where d is the mean distance of the planet from the sun in millions of miles. It takes Venus approximately 226 days to complete one revolution of the ...
*Thursday, November 3, 2011 at 4:26am by Mary*

**physics**

the distance from the earth to the sun is 1.5 times 10 to the 11 power m ( 93 million miles) and the time for one complete orbit of the earth about the sun is one year. how long would it take a planet located at twice this distance from the sun to complete one orbit?
*Thursday, February 20, 2014 at 3:54pm by Taylor*

**GPH111**

On a map with a scale of 1:50,000, a measured distance of 7.5 centimeters represents an actual distance of :_____ kilometers Do I just times this to get 375,000 kilometers?
*Friday, March 9, 2012 at 12:54pm by Jazmyne*

**earth**

The earth doesn't "float", it orbits the sun following Newton's Law of Universal Gravitation. The presence of the sun, which is much more massive than earth and the other planets, drives the movement of the planets. The sun is so dense that a spoonful of it is approximately as...
*Wednesday, September 29, 2010 at 9:06am by Lee*

**Physics**

The distance from the earth to the sun is 1.5 times 10 to the 11 power m ( 93 million miles) and the time it takes for one complete orbit of the earth about the sun is one year. How long would it take for a planet located at twice this distance from the sun to complete one orbit?
*Wednesday, February 19, 2014 at 5:59pm by Taylor*

**Science**

Approximately how long does an earhquake P-wave take to travel the first 6500 kilometers after the earthquake occurs? a. 6.5 min b. 8.0 min c. 10.0 min d. 18.5 min
*Tuesday, March 24, 2009 at 9:48pm by Angie*

**Astronomy**

Given that the mass of the Milky Way galaxy is 10^11 times that of the Sun and that the sun is 2.6x10^20 meters from its center, what is the Sun's orbital speed around the center of the galaxy? How long does it take the Sun to orbit the Milky Way? (In this problem, we assume ...
*Tuesday, April 10, 2007 at 4:19pm by Manny*

**Science need help**

Astronomers believe that the biggest stars in the Galaxy may be a hundred times more massive than the Sun, but are a million times brighter. Would you expect such stars to have longer, shorter or comparable lifetimes to that of the Sun?
*Friday, December 21, 2012 at 4:59am by zak*

**physics**

abe left his house at 10:14 and goes north 14.0 kilometers to school then and south 70.6 kilometers to the candy store,arriving at 10:57.what are his displacement,total distance,average velocity?
*Sunday, September 25, 2011 at 2:16pm by sana*

**physics**

Calculate the force of gravity between Earth and the Sun (the Sun's mass = 2.0×10^30 kg; average Earth-Sun distance = 1.5×10^11 m).
*Thursday, March 8, 2012 at 8:01pm by jim*

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