Friday

March 6, 2015

March 6, 2015

Number of results: 51,295

**Math**

One of your friends is heading north for the Christmas holiday and the other friend is heading south.If their destines are 1029 miles apart and one car is traveling at 45 miles per hour and the other car is traveling at 53 miles per hour.How many hours before the two cars pass...
*December 9, 2009 by Jaimy*

**math**

One of your friends is heading north for the Christmas holiday and the other friend is heading south. If their destinies are 1029 miles apart and one car is traveling at 45 miles per hour and the other car is traveling at 53 miles per hour. How many hours before the two cars ...
*December 3, 2010 by carl*

**Math**

6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the average speed per hour? If there were two days when the weather did not permit movement, how many miles a day would they have to travel to make up the ...
*March 31, 2014 by Sue*

**maths**

Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the ...
*February 20, 2010 by thommini*

**algebra**

On Monday, Voltaire drove to town at 60 miles per hour. On Tuesday, he drove to town at 40 miles per hour. If the totaling traveling time for both trips was 15 hours, how far was it to town? I know distance=(rate)(time).so I set it up like this...x=distance X/(60)(15) + x/(40...
*December 11, 2007 by Anthony*

**algebra**

A boat can travel 114 miles upstream in the same time that it can travel 186 miles downstream. If the speed of the current is 6 miles per hour, find the speed of the boat without a current.
*August 17, 2011 by carl*

**algebra 1**

juan drives to work. Because of traffic conditions, he averages 22 miles per hour. He returns home averaging about 32 miles per hour. the toatle time traveled is 2 and 1/4 hours.define a variable for the time Juan takes to drive to travel to work write an expression for the ...
*March 26, 2008 by nathan*

**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 ...
*October 27, 2007 by Amanda*

**Math**

Tristan runs 5 kilometers in 45 minutes. His goal is to run the same distance in 40 mins by next year. How many kilometres per hour does he need to run next year to reach his goal?
*May 10, 2011 by Colton*

**Math**

Earn al least $150 a week. $10 per hour working for a farmer. $5 per hour babysitting. can work at most 25 hours per week. Write and graph a system of linear inequalities.
*March 1, 2011 by Mary*

**Math**

Linda works at a pharmacy for $15 an hour. She also babysits for $10 an hour. Linda needs to earn at least $90 per week, but she does not want to work more than 20 hours per week. Show and describe the number of hours Linda could work at each job to meet her goals. List two ...
*May 6, 2013 by Kayla*

**Algebra(urgent)**

a boat moves through still wather at x kilometers(km) per hour. it travels 24km up stream against a current of 2km per hour and then returns with the current. The rate upstream is x-2 because the boat moves against the current and the rate downstream is x+2 because the boat ...
*March 31, 2011 by Kelvin*

**algebra**

If Employee A logged 120 hours of travel in four years and Employee B logged hours of travel at a 20% higher rate, how many more hours did Employee B have than Employee A after 1.5 years?
*October 10, 2013 by Anonymous*

**Math**

An airplane travels 226 miles in 2 hours. At that rate, how far will the airplane travel in 8 hours?
*November 16, 2014 by Penny*

**physics**

The driver of a car traveling at 30 m/s needs to quickly reduce the car’s speed to 20m/s to round a curve in the highway. If the car’s deceleration has a magnitude of 6.0 m/s2, how far does it travel while reducing its speed?
*October 9, 2010 by lee*

**math**

Complete in Metric Conversions: A dozer is traveling at 5 miles per hour. How many seconds will it take to travel 160 feet?
*March 27, 2012 by Amy*

**Algebra**

Two cars start at the same point at Alexandria, verginia, and travel Ans 50mph, 55mph 2 opposite directions. One car travels 5 miles per hour faster than the other car. After 4 hours, the two cars are 420 miles apart. Find the speed of each car.
*March 28, 2013 by Lora*

**physics**

The speed limit in a school zone is 40.0 km/hr. A driver traveling at this speed sees a child run into the road 14 m ahead of the car. The driver applies the brakes and the car slows at a uniform rate of 8.3 m/s^2. If the driver's reaction time is 0.27 sec, what distance does ...
*December 2, 2009 by kimmy*

**algebra**

A jogger leaves home and runs at a constant speed of 4 miles per hour. Nine minutes later, a bicyclist follows along the same route at a constant speed of 15 miles per hour. Find the bicyclist's travel time needed to catch the jogger.
*September 1, 2011 by Alice*

**math**

Sue is in an airplane which travels at a constant 300 kilometers per hour. The angle of climb of the airplane is 30 ∘. How long (in seconds) would it take from takeoff, before the airplane reaches 3000 meters, when Sue can access Wifi and work on the rest of the weekly ...
*July 25, 2013 by ayan*

**math**

mr.Thomas drove for two days.The first day he drove for 6 hours at an average speed of 55miles per hour. The next day he drove for 7 hours at an average speed of 63 miles per hour. How many miles did Mr.thomas drive during the two days?
*March 7, 2011 by Bluestarr*

**math**

Jack and Jill run 10 kilometers. They start at the same point, run 5 kilometers up a hill, and return to the starting point by the same route. Jack has a 10-minute head start and runs at a rate of 15 km/hr uphill and 20 km/hr downhill. Jill runs 16 km/hr uphill and 22 km/hr ...
*June 25, 2012 by hemant mishra*

**math**

For a motor vehicle traveling at r miles per hour, the distance d in feet required to stop is approximately d=0.05r^2 + r. If a school bus is traveling at 45 mph, how many feet, to the nearest foot would it travel?
*December 14, 2013 by Cynthia*

**Math**

The ocean covers about 71% of the Earth's surface. If the total surface area of the Earth is about 510 million square kilometers, how many square kilometers are covered by the ocean? 362.10
*November 30, 2010 by Hayley*

**math**

A rally car traveled for 2 hours 40 minutes at an average speed of 120 km/h. The car consumes an average of 1 litre of fuel for every 4 kilometers. A litre of the fuel costs $ 59. Calculate the amount of money spent on fuel
*February 15, 2015 by kudu*

**math**

Sue left her home at 6 A.M. driving her car at the rate of 50 miles per hour. At 8 A.M. her brother Kevin drove after her along the same highway, traveling at the rate of 60 miles per hour, in how many hours did Kevin pass Sue.
*July 29, 2014 by Chris*

**algebra**

the formula d=(square root)12,800+h^2 gives the distance d in kilometers to the horizon from a satellite h kilometers above Earth.Find the distance to the horizon to the horizon from a satellite 4200 km above Earth. Round to the nearest kilometer. PLEASE HELP ME
*December 6, 2012 by alexis*

**math**

IF a plane can travel 500 miles per hour with the wind and 420 miles per hour against the wind, find the speed of the plane in still air.
*December 2, 2011 by mandy*

**Math**

Two trains are traveling opposite directions. One train travels at a speed of 90 mph. The second train travels at a speed of 95 mph. The 2 trains travel for three hours. How far apart are the 2 trains?
*January 20, 2015 by Haley*

**Algebra 1 (Reiny)**

How am I supposed to solve and graph this? "Linda works at a pharmacy for $15 an hour. She also babysits for $10 an hour. Linda needs to earn at least $90 per week, but she does not want to work more than 20 hours per week. Show and describe the number of hours Linda could ...
*January 16, 2014 by Anonymous*

**maths**

A motorist travels 120 miles to his destionation at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour.His average speed for the entire trip is 1. 53 miles per hour 2. 52 miles per hour 3. 50 miles per hour 4. 48 ...
*August 13, 2014 by peter*

**math**

The ocean covers about 71% of the Earth’s surface. If the total surface area of the Earth is about 510 million square kilometers, how many square kilometers are covered by the ocean?
*March 28, 2013 by Anonymous*

**college math**

A piece of land in Ottawa with an area of 0.4 square kilometers is priced at 5600 Canadian dollars. If there are 1.358 Canadian dollars per (U.S.) dollar, then what is the price in dollars per square mile?
*June 24, 2010 by Leissa*

**math**

i dont get 2 use the rate 380 miles in 5 hours 2 find the unknown number for each equivelent rate round to the nearset tenth I don't get your question. What "equivalent rates" are you talking about? 380 miles in 5 hours is an average speed of 76 miles per hour. 72 cookies in 3...
*April 15, 2007 by fre*

**math**

if a car passes mile marker 2 in 4 hours and a mile marker 125 in 6 hours, how many miles per hour is the car traveling?
*February 2, 2015 by betty*

**Math**

If I am traveling at a speed of 65 mi/h and graph the distance I travel over five hours, would the graph be linear?
*September 12, 2014 by Anonymous*

**maths**

A party of bush walkers have an average speed of 50km/minute and walk for 4 hours on a bearing of 231°T. they then walk for 6(1)/(3) hours on a bearing of 117°T. Find a.How far are they from bas e camp? b. The bearing they must travel along to get to base camp
*March 15, 2011 by Tammy*

**Math**

A semi-truck travels on a paved road for 2 hours at an average speed of 20 miles per hour faster than it travels on a dirt road. The time spent on the dirt road is 3 hours. If the entire trip is 200 miles, how fast is the truck traveling on the dirt road?
*February 12, 2010 by Leigh*

**geology**

1. Given the map, the seismograms, the sp graph and the nomogram below, find the epicenter and the intensity of the earthquake. 2. Given the map below find the distance between Sao Paulo (Brazil) and Cape South Africa 10,000,000 years from now. The actual distance between the ...
*October 12, 2010 by andre F*

**Algebra**

If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind? What is the speed of the plane in still air?
*March 24, 2012 by rangel*

**math**

A dozer is traveling at 5 miles per hour. How many seconds will it take to travel 160 feet? I have to solve this by the dimensional analysis method.
*March 31, 2012 by Lyndsey*

**trig**

An airplane is traveling at a speed of 724 km per hour at a bearing of N30°E. If the wind velocity is 32 km per hour from the west, find the resultant speed and direction of the plane.
*February 23, 2015 by Lin*

**introductory Facts and concepts**

On page 111 of your reading material there is a problem that requires you to calculate the average speed for a daylong bus trip. The rest stops the driver made are included in the calculations because that is how the problem is defined. However, suppose the bus driver’s ...
*February 18, 2013 by Anonymous*

**math**

River Current A boat can travel 36 miles upstream in the same time that it can travel 54 miles downstream. If the speed of the current is 3 miles per hour, find the speed of the boat without a current.
*August 2, 2011 by Adam*

**math**

You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal 75 mile per hour rate. How long should it take you to complete the trip? (3) Suppose you are driving that distance at an illegal 86.8 miles per hour ...
*September 7, 2010 by melissa*

**algebra**

INTRODUCTION TO RATIONAL EXPRESSIONS Distance and Time A car is traveling at 60 miles per hour. (a) How long does it take the car to travel 360 miles? (b) Write a rational expression that gives the time that it takes the car to travel M miles
*January 25, 2012 by felica*

**math**

The equation d =70t represents the distance in miles covered after traveling at 70 miles per hour for t hours. How can i make this a table for every half hour?
*April 21, 2008 by my name*

**arithmetic**

How do I get hours to perform task I have a rate of 28 per hour and 6245 transactions how many hours to complete
*October 23, 2008 by Bev*

**math**

Erin takes a total of 5 hours in her boat to travel a distance upriver and return downriver the same distance. If the time traveling upriver is twice the time traveling downriver, how many hours does each trip take? How do I put this into two equation and use the matrix to ...
*March 16, 2010 by Lauren*

**Math- Multi-step word problems**

A plane traveling from Chicago to Boston with a tailwind of 10 miles per hour takes 4 hours. The return trip in the same wind, which is now a headwind, takes the same plane 4 hours and 9 minutes. According to this problem, about how far is it from Chicago to Boston? 1800 miles...
*October 1, 2014 by Kitty*

**math Help ASAP**

write and solve inequality 17. the speed limit of a highway is 55 miles per hour. a car is traveling at least 65 miles per hour. how many miles per hour m over the speed limit is the car traveling? A 55-m>equal to 65;m. eqaul to 10 B m+65< equal to 55; m < equal to -...
*October 21, 2014 by kathy *

**College Mathematics**

You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal 75 mile per hour rate. How long should it take you to complete the trip? (3) Suppose you are driving that distance at an illegal 86.8 miles per hour ...
*September 7, 2010 by Melissa*

**math**

two airplanes left the same airport traveling in opposite direction. if one airplane averages 400 miles per hour and the other airplane averages 250 miles per hour, in how many hours will the distance between the two planes be 1625 miles? Does it help to point out that if they...
*April 28, 2007 by anonymous*

**math**

the el paso middle school girls baxketball team is going from el paso to san antonio for the texas state championship game.the trip will be 560 miles.their bus travels at an average speed of 60 miles per hour. estimate the distance the bus travels in 2 hours 2and 3 4...2 and a...
*October 2, 2006 by chemiii*

**Chemistry**

Which car gets the best mileage? Car A gets 32 miles per gallon Car B gets 14 kilometers per liter
*September 4, 2012 by cristine*

**Math**

Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 1/2 times the regular rate for all time exceeding 7 1/2 hours in a day or 37 1/2 hours per week. Work on a statutory holiday is paid at double time. What were her gross earning for a week in which she worked for 6...
*August 10, 2009 by Tha*

**math**

Many of the immigrants settled on farm land and they had to drive to town for supplies. One farmer drives to town at 36 miles per hour and returns at 48 miles per hour. If his total driving time is 3 ½ hours, how far is his farm from town?
*November 21, 2011 by tiffany mccormick*

**math**

Many of the immigrants settled on farm land and they had to drive to town for supplies. One farmer drives to town at 36 miles per hour and returns at 48 miles per hour. If his total driving time is 3 ½ hours, how far is his farm from town?
*November 21, 2011 by tiffany mccormick*

**Math Help**

A driver drove at a speed of s mph for 4 hours. How far did the driver go? What is the algebraic expression?
*October 9, 2012 by Anonymous*

**Statistics**

Suppose that hours of sleep per night for single adults between 30 and 40 years of age are normally distributed with a mean of 6.7 hours and a standard deviation of 1.1 hours. What proportion of adults sleep longer than 4.5 hours per night? (Report to 3 decimal places.)
*November 26, 2014 by Beth*

**Math**

Harry drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 5 more hours on a country road. If his total trip was 648 miles, then what was his speed on the freeway?
*March 27, 2013 by Sheree*

**physical science**

the distance from one place to another is 80 miles. How far is it in kilometers?
*September 17, 2014 by Belle*

**math**

Xavier worked 10 hours on Monday and 15 hours on Wednesday. His total pay was $280.00. What is his rate per hour?
*June 15, 2009 by bill*

**MATH 112**

two planes leave an airport at the same time. Their speeds are 320 miles per hour and 380 miles per hour. If the angle between their courses is 112 degrees, how far apart are they after two hours? (The hint is using the law of cosines)
*November 20, 2012 by diego sanchez*

**4th grade math**

Aaron's family is driving 80 miles to the mountains. They have already traveled 30 miles. They are traveling at a speed of 50 miles per hour. How many hours will it take them to complete the trip?
*March 7, 2011 by julie*

**Pre-Calculus**

A farmer can plant a combination of two different crops on 20 acres of land. Seed costs $120 per acre for crop A and $200 per acre for crop B. Government restrictions limit acreage of crop A to 15 acres, but do not limit crop B. Crop A will take 15 hours of labor per acre at a...
*August 10, 2008 by Lucy*

**sixth grade math**

Find the percent of each number. 1. 5% of 220 files Answer is 110 2. 360 kilometers is 24% of ___ kilometers. Answer is 864. 3. At a shelter, 15% of the dogs are puppies. There are 60 dogs at the shelter. How many are puppies? Answer is 25 puppies Can someone check my answers...
*November 13, 2014 by Stephon *

**math**

an average family of four uses roughly 1200 liters (about 300 gallons) of water per day (1 liter=1ooocm cubed) . how much depth would a lake lose per uear if it uniformly covered an area of 50 square kilometers and supplied a llocal town with a population of 40,000 people...
*September 5, 2009 by laura*

**Math **

Carlo drove for 3 hours in a fog, then increased his speed by 30 miles per hour (mph) and drove 6 more hours. If his total trip was 540 miles, then what was his speed in the fog.
*June 13, 2012 by Ciara*

**English**

I forgot to include the following sentences. 3)What kind/type of school do you go to? I go to a private school. 4) How do you spend your free time? What do you do in your free time? 5) How far do you walk to school? How many kilometers do you walk to school? I walk 3 ...
*October 18, 2010 by Franco*

**Math**

Hi i'm having trouble with a question. it states During the Summer you take 2 part time jobs. The first job pays $5 per hour. The 2nd Job pays $8 per hour. You want to earn at least $150 a week and work 25 hours or less a week. Write a system of inequalities that model the ...
*March 27, 2013 by Alex*

**Geology**

Can someone please help with this problem? I am a little confused. Where is the location of that June 19 quake (to the nearest tenth of a degree in latitude and longitude)? P arrival time S arrival time hours:minutes:seconds tenths of seconds LTN 3:46:45.7 3:46:50.0 ...
*August 17, 2009 by B.B*

**algebra**

Marlene drive 540 miles to visit friend. drive for 3 hours then stopped for gas, then drive 4 more hours stopped for lunch. how many more hours do I drive if my average speed for trip is 60 miles per hour ? How would I write an equation?
*December 8, 2011 by Todd*

**math**

James travels 624 miles in 8 hours ona train at a constant rate of speed. How many miles does he travel in 3 hours?
*December 30, 2011 by Mike*

**Pre Calc**

A plumber charges $40 per hour for labor with a minimum labor charge of $30. For example, if she does her repairs in only 0.2 hours, then $40*0.2=$8, which is less than the minimum, so she would charge $30 for labor. We will assume she can repair any problem in one day – a ...
*February 6, 2012 by Maddie*

**Math**

How many cubic kilometers of water reside within groundwater? How many more times abundant is groundwater than water on land? These are the figures. Groundwater = 8.4 (Each unit is one million cubic kilometers x 1,000,000 km3) Water on land = 0.2
*July 25, 2010 by LISAJ*

**Algebra**

Pauline sells computers on commission. She spends 2 hours on selling a laptop and 1 hour on selling a desktop computer. She works no more than 40 hours per week and routinely sells at least 1 laptop and at least 4 desktops each week. To maximize her income, how many of each ...
*April 26, 2011 by Jacob*

**physics**

A boat initially traveling at 10 meters per second accelerates uniformly at the rate of 5.0 meters per second squared for 10 seconds. How far does the boat travel during this time?
*October 8, 2010 by Josh*

**math**

riding her bicycle, terry averages 9.5 miles per hour. how far could she go in 2 2/3 hours?
*January 23, 2014 by Matt*

**math**

A consultant traveled 7 hours to attend a meeting. The return trip took only 6 hours because the speed was 10 miles per hour faster. What was the consultant's speed each way? Rachel earns $6000 less than twice as much as Tom. If their two incomes total $48,000, how much does ...
*May 28, 2007 by ashley-help please!*

**new physics **

a man leaves his house for 2 hours. after walking in a straight line for two hours he is 10 miles from home. calculate the man's average speed in terms of miles per hour.
*October 15, 2010 by eliska ware *

**Algebra! Help needed!**

I'm having a little trouble with this problem... Please try and walk me through the problem, too: #1. A motorboat leaves a dock and travels at an average speed of 15 mi/h toward an island. The average speed on the return trip is 10 mi/h. How far is the island from the harbor ...
*November 20, 2008 by Celina*

**11th grade math**

Suppose you earn $7.21 per hour and plan to work "h" hours per week. write an expression using variables that models the amount of money you will earn each week. Then, suppose you earn $10 in tips per week, regardless of the hours you work. How does this change the equation
*September 9, 2009 by help*

**Physic Check**

These are questions I'm unsure about out of 20 for my submission #2. Someone please check soon. My answers have an =. 1.)A ball is rolling across the top of a billiard table and slowly rolls to a stop. How would Galileo explain the motion of the ball as it stopped? a)The ball'...
*July 12, 2010 by Ariel*

**math**

two mechanics worked on a car the first mechanic worked for 5 hours and the second mechanic worked for 15 hours together they charged a total of 1750 what was the rate charged per hour by each mechanic if the sum of the two rates was 160 per hour
*March 5, 2013 by mace*

**math**

Over the river and through the woods to grandpa's house the smith grandchildren go. They drive 120miles to reach grandpa's house and the same distance back home. 1) It took 1.2hours to get halfway there. What is their average speed, in miles per hour, for the first 1.2hours of...
*December 1, 2013 by B8*

**physics**

A man leaves his house and begins to walk for 2 hours. After walking in a straight line for two hours he is 10 miles from home. Calculate the man's average speed on terms of miles per hour.
*May 21, 2013 by help me asap.*

**Trig**

Nathan and Julia are walking along lines that form a 38 degree angle. If Nathan walks at 3.6 miles per hour and Julia walks at 4.1 miles per hour, how far apart will they be after 2 hours?
*May 10, 2010 by MEGGG!!!*

**math**

Two cars leave at the same time from towns that are 460 miles apart and travel toward each other. They meet after 4 hours. Find the rate of each car if one car travels 13 miles per hour faster than the other.
*July 5, 2013 by Monica*

**math**

Frank's car can travel 30 miles per gallon of gas. Janet's car can travel 20 miles per gallon of gas. Frank and Janet drive their own cars and they leave for a trip at 8.00AM on Friday. They arrive at their destination at 2.00AM the next day. Saturday, after driving at an ...
*October 29, 2008 by daniela*

**Math - Alg**

1. The volume V of a right circular cylinder is given as V = pir^2h, where r is the radius of the base and h is the height of the cylinder. a. Express the height of the cylinder in terms of iuts volume and radius of the base. b. Translate the equation above into a verbal ...
*November 17, 2013 by Marie Pierre*

**math**

As of July 2004, the population of the United States was 293,027,571. If more than half of these people live within 80 kilometers of an ocean, about how many people live within distance? I guess I have to look to find the conversion of kilometers to diatance. I had no luck in ...
*December 17, 2008 by Nehemiah*

**Math**

An alien rocketship is traveling at a speed of 2,500,000 feet per minute. At this speed, how many miles will it travel in 1 second? Round to the nearest thousandth.
*February 20, 2012 by Harry*

**7th grade math**

Telephone calls travel through optical fibers at the speed of light, which is 186,000 miles per second. A millisecond is 0.001 of a second. How far can your voice travel over an optical line in 1 millisecond?
*August 21, 2010 by Melea*

**Science**

Which is the closest to the speed of sound in air? A. 7miles per hour B. 70miles per hour C. 700miles per hour D. 7000miles per hour C?
*March 24, 2012 by Derrick*

**Math (Basic)**

"A woman earns 10.00 per hour at her job, but if she works more than 20 hours in a week she is paid 1.5 times her regular salary for the overtime hours worked. One week her gross pay was 275. How many overtime hours did she work that week? Express your answer in hours to 2 ...
*June 24, 2011 by Kai*

**Algebra**

Al¡¦s Rentals charges $25.00 per hour to rent a sailboard and a wet suit. Wendy¡¦s Rentals charges $20.00 per hour plus $15.00 extra for a wet suit. Find the number of hours for which the total charges for both companies would be the same. ƒæ Let h represent the number of ...
*November 15, 2014 by Taylor*

**math**

Mark's house is 90 miles away from New York. You travel 15 miles on city streets, and then 75 miles on the highway. a. your average speed is 25 miles per hour in the city and 60 miles per hour on the highway. Use the formula time=distance/rate. How much time will you spend ...
*May 30, 2013 by Celest*

**Algebra**

An air plane can travel 560 miles per hour with the wind and 480 miles per hour against the wind. Determine the speed of the plane in still air and the speed of the wind.
*March 28, 2013 by Lora*

**Math**

Ozone occurs at all levels of Earth's atmosphere. The density of ozone varies both seasonally and latitudinally. At a given city, the density D(h) of ozone (in 10^−3cm/km) for altitudes h between 20 kilometers and 35 kilometers was determined experimentally. For the D(h...
*November 10, 2014 by Ashton*

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