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April 25, 2014

Search: saturn is approximately 1.4 times 10^9 kilometers from the sun. if light travels at approximately 3.0 times 10^5 kilometers per second, how long does it take light from the sum to reach saturn? express your answer in scientific notation

Number of results: 10,833

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

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

science
One of Saturn's moons has an orbital distance of 1.87100000000m. 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

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

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

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

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

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

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

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 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=9.6103 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

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=9.6103 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

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

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

Physics
Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earths 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 Earths 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

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
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

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

Astronomy
Saturns 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

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

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

Florida Science Grade 8
Saturn's atmosphere consists of 75.3% hydrogen and 24.25% helium.what percentage of Saturn's atmosphere is made up of other gases?
Wednesday, January 12, 2011 at 5:43pm by Desmond Reid

Astronomy
We observe that oppositions of Saturn repeat every 378 days. Use this information to find the sidereal period of Saturn. Express your answer in years and round to two significant digits.
Sunday, December 23, 2012 at 2:29pm by sam

Physics
Find the orbital speed of an ice cube in the rings of Saturn, if the mass of Saturn is 5.67 1026 kg and the rings have an average radius of 100,000 km.
Wednesday, March 10, 2010 at 11:08pm by ne

physics
why does saturn have smaller density than earth and mars which is smaller than saturn?
Thursday, September 29, 2011 at 9:16am by anonymous

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

Astronomy
At opposition, Saturn is observed to subtend an angular radius of 9.16 arcseconds (not including the rings). Use this and the conversion factors in our Table of Constants to find the radius of Saturn in km, rounded to three significant digits.
Sunday, December 23, 2012 at 2:33pm by sam

Geometry!
The distance around the equator of Saturn is about 378,675 km. What is the equatorial diameter of Saturn? Use pi = 3.14. A) 241,209 B) 241,194 C) 120,584 D) 120,597 I think it is [D] but I'm not sure.
Sunday, April 15, 2012 at 6:47pm by Joe

statistics
What would you guess the value of the correlation coefficient to be for the pair of variables: "number of man-hours worked" and "number of units of work completed"? a) approximately 0.9 b) approximately 0.4 c) approximately 0.0 d) approximately -0.4 e) approximately -0.9
Tuesday, August 2, 2011 at 2:59pm by Anonymous

Physics180
Tidal forces can break apart objects that orbit too close to a planet, producing rings like those of Saturn. Consider an asteroid 600km in radius, 65mm from Saturn's center. What's the difference in gravitational acceleration between the two sides of the asteroid?
Saturday, November 5, 2011 at 7:01pm by Alan

Science
trying to work out the angular size of Saturn I know the equation is 57degrees times (actual size divide distance) = Angular size so I have the following: 57deg times (120535 div 1195772020) = 0.005745.... it goes on a fair way. 0.005745 degrees... is this correct?
Wednesday, October 22, 2008 at 9:43am by Paul

Physics
Calculate the gravitational force between the Sun and Saturn. The mass of the Sun is 1.991030 kg. The mass of Saturn is 56801023 kg. The distance between them is 1431010 m. In Newtons
Thursday, February 13, 2014 at 10:01pm by John

chemistry
Radio waves travel at the speed of light which is 3.00 x 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 x 108 km from Earth?
Sunday, September 12, 2010 at 7:52pm by ashley

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

math
if two dice are rolled 360 times, approximately how many times should you expect a sum of 7
Monday, May 10, 2010 at 12:31pm by tk

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 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

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

physics
A 20000 kg satellite is launched from the surface of saturn and put into orbit.The satellite is launched at the speed of 27.5 x 10^3 m/s. a)calculte the satellite's total energy. b)Its orbital radius c)If the satellite was shot straight up at the same speed, find its maximum ...
Monday, June 18, 2012 at 7:14pm by Roger

Physics
Total lung capacity of a typical adult is approximately 5.0L. Approximately 20% of the air is oxygen, as air is 20% oxygen. At sea level and at an average body temperature of 37 C, how many moles of oxygen do the lungs contain at the end of an inflation? n=PV/RT V=5.0L=.005m^3...
Thursday, November 19, 2009 at 5:55pm by ana

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

Math
Can you see if my answers are correct? Directions find the GCF: (I did the factor tree for each) 40; 2^3 times 5 128; 2^7 GCF: 2 90; 3^2 times 2 times 5 105; 5 times 3 times 7 180; 3^2 times 2^2 times 5 GCF: 5 3x^3; what is that suppose to be 6x; 2 times 3 12x^2; 2^2 times 3 ...
Thursday, April 15, 2010 at 7:16pm by Courtney

geometry
Earth has a diameter of approximately 8000 miles. Jupiter's diameter is approximately 88000 miles. How many times greater is the volume of Jupiter than the volume of Earth?
Wednesday, May 23, 2012 at 4:00pm by Piggy

STAT
The distribution of heights of a population of adults is approximately normal with mean 66 inches and SD 2.5 inches. 1. Approximately what percent of the adults are over 6 feet tall? 2. Approximately what percent of the adults have heights that are within 1 inch of the average...
Tuesday, March 12, 2013 at 12:03pm by HELPPPPP

GCF Math Check
Can you see if my answers are correct? Directions find the GCF: (I did the factor tree for each) 40; 2^3 times 5 128; 2^7 GCF: 2 90; 3^2 times 2 times 5 105; 5 times 3 times 7 180; 3^2 times 2^2 times 5 GCF: 5 3x^3; what is that suppose to be 6x; 2 times 3 12x^2; 2^2 times 3 ...
Thursday, April 15, 2010 at 3:14pm by Courtney

Statistics
A fair 20-sided die is rolled 60 times, and the value of chi-square is computed using expected counts of 3 for each face. If this process is repeated many times, the shape of the distribution of the values of chi-square should be... A uniform B bimodal C skewed left D skewed ...
Sunday, March 6, 2011 at 6:39pm by Graciela

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

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
'the mass of the Earth is approximately 80 times the mass of the moon and the earth's radius 3.7 times that of the moon. if the acceleration of free fall on the Earth is 10 ms2. estimate its value on the moon'
Wednesday, January 19, 2011 at 7:17pm by Anonymous

Chemistry
When one pound of gasoline (made up of compounds of hydrogen and carbon) is burned in an automobile approximately 3 pounds of carbon dioxide, CO2, is given off. Carbon dioxide is one of the gases contributing to global warming. What information from this experiment helps ...
Sunday, October 3, 2010 at 9:59pm by Chris

Science
How are Jupiter and Saturn similar?
Tuesday, December 4, 2012 at 5:37pm by Navpreet

Science
What is Saturn's temperature(high and low)?
Friday, March 28, 2008 at 8:46pm by Jennifer

science
Are Saturn rings made of ice
Wednesday, September 22, 2010 at 9:52pm by Christian

science
Is Saturn outer or inner planet???
Sunday, December 15, 2013 at 12:01pm by Eden S.

science
Did Cassini complete his mission to go around saturn?
Tuesday, October 16, 2012 at 6:50pm by Slippy

Chemistry
for each of the following, give an answer with the correct number of significant figures: A. 400 times 185 b. 2.40 divided by 4 times 125 c. 0.825 times 3.6 times 5.1 d. 3.5 times 0.261 divided by 8.24 times 20.0
Tuesday, January 15, 2013 at 2:13pm by tara

space
What causes the rings around the equators of Saturn and jupiter
Tuesday, October 2, 2012 at 5:29pm by Gabi

Algebra
The area of a circle is approximately 3.14 times the radius squared. WHich of the following expressions is a correct way to write this , if the radius is 3x ?
Monday, August 5, 2013 at 6:00pm by Anonymous

science
Is Saturn's orbit more elliptical and it's tilt larger than Jupiter's?
Sunday, October 24, 2010 at 7:35pm by jenna

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
If a ball is thrown directly upwards with twice the initial speed of another, how much higher will it be at its apex? A) 8 times D) 2 times B) 4 times E) 2 times C) 2 2 times Please show any equations that are used :)
Saturday, April 7, 2012 at 8:27pm by DCM

math
approximately how many times as much money does the smith family spend on miscellaneous item as it spends on utilities? 1] 4 2] 5 3] 9 4] 15 5] 50 please help me please
Thursday, November 15, 2012 at 10:40am by nerline 2

math
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 by trina

Math
If you toss a pair of dice 1,000 times, how many times would you expect to get a sum of 12 as the result? 1.)about 12 times 2.)about 27 times 3.)about 36 times 4.)about 100 times The lesson doesn't show me how to work this. Whats the formula?
Friday, January 7, 2011 at 12:02pm by Andrew

Physics
Using volume of a sphere, calculate the average density of Saturn (radius = 60,268 km).
Friday, March 9, 2012 at 11:50am by Lalane

Physics
Two men lifted a total mass of 653.2 kg approximately 4 in. off the ground a total of 24 times. Estimate the total mechanical work done by the two men in lifting the boat 24 times, assuming they applied the same force to the boat during each lift. (Neglect any work they may ...
Sunday, October 5, 2008 at 4:08am by Sandhya

science
what outer planet is known for having visible clouds in its atmosphere ? a)Uranus b)Neptune c)Saturn d)Jupiter
Wednesday, November 27, 2013 at 9:35am by victoria

science with planets
What was the planet last to be discovered out of these? 1.Mars 2.Mercury 3.Neptune 4.Pluto 5.Saturn 6.Uranus 7.Venus
Tuesday, March 23, 2010 at 4:56pm by sierra (6th grade)

Statistics
The number of traffic accidents per day on a certain section of highway is thought to be Poisson distributed with a mean equal 2.19. Based on this, how many traffic accidents should be expected during a week long period? a. 15.33 b. 10.95 c. approximately 10.36 d. ...
Wednesday, October 10, 2012 at 10:44pm by Aria

science
Which planet by itself contains the majority of mass of all the planets? saturn jupiter uranus venus earth
Tuesday, November 23, 2010 at 12:32am by sammie

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

statistics
There are approximately 27 class days for Applied Statistics this semester. If you miss 3 classes, approximately what percent of the course have you missed?
Monday, October 3, 2011 at 7:55am by Mary

Physics
The record number of boat lifts, including the boat and its ten crew members was achieved by Sami Heinonen and Juha Rsnen of Sweden in 2000. They lifted a total mass of 653.2 kg approximately 4 in. off the ground a total of 24 times. Estimate the total mechanical work done ...
Sunday, October 24, 2010 at 11:36pm by Britney Spears

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

geometry
A regular heptagon has an apothem of approximately 6.5 ft and a perimeter of approximately 44.1 ft . Based on these measurements, what is the area of the heptagon?
Tuesday, November 6, 2012 at 10:45am by Anonymous

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

outer space
why does Jupiter spin so fast while it's so huge Law of conservation of angular momentum. It is not much different than Saturn.
Tuesday, November 7, 2006 at 8:11pm by Anonymous

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

Math,help
how do i evalute this problem if possible. i will decribe it it has an index of 3 then a squaroot sign then for the radicand (-64) since the cube root of 64 is 4(4 times 4 times 4 = 64).. the (-) part, you just tack on, since a (-) times (+) times (-) equals a (-). so the ...
Friday, April 20, 2007 at 4:51pm by jasmine20

Physics
A ball is fired from the ground with an initial speed of 1.36 103 m/s (approximately four times the speed of sound) at an initial angle of 49.0 to the horizontal. Neglect air resistance.
Friday, March 22, 2013 at 10:17pm by Nicola

7th grade math
what is 2 times pie times 2.5to the second power + 2 times pie times 2.5 times 5.5? Please help! Thank you!
Saturday, September 24, 2011 at 2:19pm by saranghae12

Tough Math
Suppose the ball was 3.24 feet above ground when it was hit, and that it reached a maximum height of approximately 102.51 feet when it had traveled a ground distance of approximately 214.26 feet. The ball lands after traveling a ground distance of approximately 432 feet. Find ...
Monday, January 23, 2012 at 9:39pm by HUNU

Physics
A Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.1 105 kg and will reach a speed of 11.2 km/s. How much kinetic energy will it then have?
Thursday, May 12, 2011 at 4:38pm by Ashley

science question?
can someone explain this to me? When the temperature is 68F, 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 68F, 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

science
What is the equatorial circumference of Saturn the planet example: (C=3.14 x radius x radius)
Thursday, April 18, 2013 at 2:38pm by Kimberlea

math
In the year 2000,approximately 169,000,000 personal cmputers were used in the US. What is this number expressed in scientific notation? I moved the decimal point 8 times to the left so My answer I got was 1.69x 10to the 8th. Is this correct Thanks
Sunday, January 6, 2013 at 7:39pm by b6

Math (immediate help, please)
A bicycle has 26-inch diameter wheels. If the wheels revolved 2 times after the brakes were applied, the stopping distance is approximately _____. What's the answer? Provide a thorough explanation as well, please.
Thursday, March 7, 2013 at 9:39pm by Isabel

Math (immediate help, please!)
A bicycle has 26-inch diameter wheels. If the wheels revolved 2 times after the brakes were applied, the stopping distance is approximately _____. What's the answer? Provide a thorough explanation as well, please.
Thursday, March 7, 2013 at 10:48pm by Isabel

Statistics
1. The finishing times for the population of all swimmers performing the 100-meter butterfly are normally distributed with a mean of 55 seconds and a standard deviation of 5 seconds. a.) The sponsors decide to give certificates to all swimmers who finish in under 49 ...
Sunday, June 21, 2009 at 4:52pm by Chad

Statistics
1. The finishing times for the population of all swimmers performing the 100-meter butterfly are normally distributed with a mean of 55 seconds and a standard deviation of 5 seconds. a.) The sponsors decide to give certificates to all swimmers who finish in under 49 ...
Sunday, June 21, 2009 at 4:58pm by Anonymous

Chemistry
1)The chemical formula for aspirin is C9H8O4. What is the mass of 0.40 mol of aspirin? How would I find this? 2)The gram molecular mass of oxygen is 16.0 g right? 3)How would I find the mass, in grams, of 3.01 x 10^23 molecules of water? 1. Add the atomic masses of the ...
Tuesday, July 31, 2007 at 10:36pm by anonymous

Math-
can someone please correct my mistakes? x/2-(3x-1)/3 < 1/4 i did: x/2 times 2 - (3x-1)/3 < 1/4 times 2 (then i crossed out) becomes: x-(3x-1)/3 times 3 < 1/2 times 3 (crossed them out) = x-3x+1 < 3/2 => -2x +1 <3/2 -1 => -2x<3/2-( 1/1) times 2 both deno...
Sunday, March 17, 2013 at 4:59am by Mia

Physics
If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.6 105 kg and reached a speed of 11.2 km/s, how much kinetic energy would it then have? _____J
Friday, October 30, 2009 at 12:43pm by Karen

physics
If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.6 105 kg and reached a speed of 11.2 km/s, how much kinetic energy would it then have? __________J
Monday, November 2, 2009 at 12:59pm by Corey

MATH
Halley's comet appears in the sky approximately once every 77 years. If the comet was seen in by Astronomer Edmund Halley in 1531. How many times has the comet been spotted since?
Friday, July 8, 2011 at 11:05am by Kate

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