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November 28, 2014

Search: water pipe

Number of results: 20,631

math
An inlet pipe can fill an empty pool in 3 hours. Another pipe can fill the same pool in 4 hours. How long will it take to fill the pool if both pipes are on? time=1pool/(1pool/3 + 1pool/4) Notice the rates add..1pool/4hrs + 1pool/3hrs. time=12/7 hrs so would this be 7 hrs or ...
September 27, 2008 by jennifer

Statistics
A manufacturer has designed a process to produce pipes that are 10 feet long. The distribution of the pipe length, however, is actually Uniform on the interval 10 feet to 10.85 feet. Assume that the lengths of individual pipes produced by the process are independent. Let X and...
March 5, 2011 by Hannah

Physics
The water level in a vertical glass tube 1.40 m long can be adjusted to any position in the tube. A tuning fork vibrating at 440 Hz is held just over the open top end of the tube, to set up a standing wave of sound in the air-filled top portion of the tube. (That air-filled ...
May 25, 2011 by Emma

Chemistry
Products used to remove clogs in drains contain strong bases, such as sodium hydroxide (NaOH). If drain cleaner containing 10.0g NaOH's is added to a clogged drain pipe filled with 2.5L water how many moles of NaOH were added? It'd mean a lot if someone could explain this to ...
April 7, 2013 by Allyson

Physics
Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min. Flow rate Q = volume/time = speed * cross section area Q=200/5.8=speed*.028....i get 1231.52 or Q=(200/348)=speed*.028...i get 20.52 both are wrong so what do i do?
November 16, 2009 by ana

chemistry
Tongue touches a pipe . Calculate final temperature of the tongue. 500 g of aluminum. ambient temp is -5 degrees Celsius. tongue is 100 g. heat capacity is same as pure water. assume heat capacity of aluminum is 24 J/molK.
February 1, 2009 by kat

physics- electrodynamics
can someone walk me through this --- you'd be a lifesaver a rectangular pipe running parallel to the z axis(- to +) has 3 grounded metal sides at y=0, y=a and x=0. the fourth side at x=b is maintained at a specified potential v0(y). a. Develop a general formula for the ...
August 5, 2007 by jake

Physics
Alcohol flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 41.9 cm2 to A2= A1/3. The pressure difference p between the wide and the narrow sections of the pipe is 11.1 kPa. What is the volume flow rate V/t of the alcohol? The density of ...
December 2, 2009 by Rebecca

Algebra
1) Mio can build a large shed in 15 days less than Yuuko can. If they build it together, it would take them 18 days. How long would it take each of them working alone? M: Y: 2) A sink can be filled by a pipe in 6 minutes but it takes 12 minutes to drain a full sink. If both ...
November 6, 2013 by Vice

physics
A horizontal water main with a cross-sectional area of 206 cm2 necks down to a pipe of area 42.4 cm2. Meters mounted in the flow on each side of the transition coupling show a change in gauge pressure of 71.0 kPa. Determine the flow rate through the system, taking the fluid to...
April 9, 2012 by katie

math
A sludge pool is filled by two inlet pipes. One pipe can fill the pool in 14 days and the other pipe can fill it in 22 days. However, if no sewage is added, waste removal will empty the pool in 35 days. How long will it take the two inlet pipes to fill an empty pool? answer
November 5, 2014 by anonymous

phys101
a homeowner wishes to drain her swimming pool by siphoning the water,whose depth is h,into a nearby gully a distance H below it,where H is much larger than h.She uses a pipe of cross-sectional areea a,and the pool has surface area A.How long does it take to empty the pool if h...
April 19, 2010 by KABELO

Thermodynamics
A centrifugal pump compresses 3000 liters/min of water from 98 KPa to 300KPa. the inlet and outlet temp are 25C. The inlet and discharge pipe are on the same level but the diameter of the inlet piping is 15cm whereas that of the discharge piping is 10cm. Determine the pump ...
February 16, 2010 by Janus

physical
You are playing a note that has a fundamental frequency of 440.00 Hz on a guitar string of length 59.1 cm. At the same time, your friend plays a fundamental note on an open organ pipe, and 4.0 beats per seconds are heard. The mass per unit length of the string is 1.93 g/m. ...
April 18, 2014 by mican

algebra
2. The equation relates the radius r of a drainpipe in inches to the flow rate F of water passing through it in gallons per minute. a. Find the radius of a pipe that can carry 600 gallons of water per minute. Round to the nearest tenth. (Let ) b. Solve the following equation ...
July 11, 2011 by stephanie

Design
The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is expected to be negligible, ...
December 17, 2013 by NONO

Physics-Need Help fast!
Part 1 A 3m long pipe is in a room where the temperature is 20 degrees C. What is the frequency of the first harmonic if the pipe is closed at one end? Part 2 sound traveling in air at 23 degrees C enters a cold front where the air temp is 2 degrees C. If the sound frequency ...
July 27, 2011 by Megan

science**
which of the following situations would be mist similar to an electrical current passing through a metal wire in a closed circuit? A. hot water moving through a pipe B. an automobile traveling through a tunnel C. an airplane flying through clouds D. a flying pan heating up on ...
July 15, 2011 by Anonymous

science**
which of the following situations would be mist similar to an electrical current passing through a metal wire in a closed circuit? A. hot water moving through a pipe B. an automobile traveling through a tunnel C. an airplane flying through clouds D. a flying pan heating up on ...
July 15, 2011 by Anonymous

physics
Steel expands 11 parts in a million for each 1 degree C change. Consider a 40,000 km steel pipe that forms a ring to fit snugly all around the circumference of the Earth. Suppose people along its length breathe on it so as to raise its temperature 0.80 degree C. The pipe gets ...
March 31, 2012 by C

physics
Steel expands 11 parts in a million for each 1 degree C change. Consider a 40,000 km steel pipe that forms a ring to fit snugly all around the circumference of the Earth. Suppose people along its length breathe on it so as to raise its temperature 0.80 degree C. The pipe gets ...
April 1, 2012 by christy

physics
Steel expands 11 parts in a million for each 1 degree C change. Consider a 40,000 km steel pipe that forms a ring to fit snugly all around the circumference of the Earth. Suppose people along its length breathe on it so as to raise its temperature 0.80 degree C. The pipe gets...
April 3, 2012 by christy

Science
If I take a 1 liter water bottle filled with water, what will most likely happen to the water and why? A.The water will get warmer B.The water will get cooler C.The water will stay the same D.None of the above I've tried this and I think it's A;if so why? Thanks -MC
December 15, 2008 by mysterychicken

chemistry
tell the taste of these types of water well water mineral water fresh water tap water earated water?
May 14, 2011 by saim

Chemistry
I'm not sure how to find a linear equation for this problem. One common flow measurement device is the orifice meter, which consists of a disk with a machined hole. It is placed as an obstruction to flow in a pipe, causing pressure drop to occur as the fluid in the pipe goes ...
December 14, 2011 by Angel

science(chem) plastic hedache...can anyone help?
My hwk Q that I was trying to find the answer to yesterday is this below but I don't know exactly how the placticizing process works. I compiled the chemicals I think I need but other than that I'm stumped as to how to put them together or how. Q: A water pipe has burst in ...
February 18, 2008 by ~christina~

college algebra
water from a tank is being used for irrigation while the tank is being filled. The two pipes can fill the tank in 6h and 8h, respectively. the outlet pipe can empty the tank in 24h. How long would it take to fill the tank with all three pipes open? round the answer to the ...
December 12, 2012 by Zachery

physic
an ideal fluid flows through a pipe hat runs up an incline and gradually rises to a height H. The cross sectional area of the pipe is uniform. compared with the flow at the bottom of the incline, the flow at the top is a) moving slower at lower pressure b) moving slower at ...
January 8, 2012 by john

physics
A horizontal pipe of uniform cross sectional area A empties into a bucket, filling it at a rate R (unit volume per unit time). Use dimensional analysis to determine the speed,v, of the fluid in the pipe to within a dimensionless multiplicative constant of order 1. What happens...
September 20, 2014 by Yea

Music
How to play the pipe organ
June 8, 2011 by Pipe organ

Physics
Lubricating oil, with a relative density of 0.79, flows around a 90 bend. The pipe diameter is 0.45m, and the oil has a pressure head of 7m and the flow is 1.7m3/s. Find the force exerted by the oil on the bend. Oil density = 0.79 X 103 Volumetric mass flow rate = 1.7 m3/s ...
April 22, 2009 by Henri

Physics
Lubricating oil, with a relative density of 0.79, flows around a 90 bend. The pipe diameter is 0.45m, and the oil has a pressure head of 7m and the flow is 1.7m3/s. Find the force exerted by the oil on the bend. Oil density = 0.79 X 103 Volumetric mass flow rate = 1.7 m3/s ...
April 23, 2009 by Henri

chemistry
cold water mass of calimeter+ water: 68.66g mass of calimeter: 19.19g mass of water: 49.47g final temperature of water: 39.1C initial temperature of water: 25.5C delta(T) of water: 13.6C hot water mass of calimeter+ water: 79.55g mass of calimeter: 20.61g mass of water: 58.94g...
November 30, 2011 by Yuli

language
Write the verb in each sentence. Write whether the action is past, present, or future 1. A Potter adds sand to the clay (adds, present) 2. Then he rolls the clay into long, pipe-shaped pieces. (Pipe-shape, past) 3.Another potters will use a potter's wheel . (will use, future) ...
February 7, 2012 by jj

science
what the area of an open end of a pipe?
February 4, 2013 by Michael

Physics
At one point in a pipeline, the water's speed is 3.00 and the gauge pressure is 4.00104 . Find the gauge pressure at a second point in the line 11.0 lower than the first if the pipe diameter at the second point is twice that at the first. I've been trying to use Bernoulli's ...
January 30, 2010 by Steph

General Science
Surface water is important because it? 1. furnishes plants with water 2. provides a supply of drinking water 3. contributes to the water cycle 4. supplies water to rivers during dry periods
May 13, 2009 by Anonymous

Science
Which of the following contain water that is easily available for human use? (more than one answer) Icecaps & glaciers - 76% of fresh water Shallow Groundwater- 12% of fresh water Deep Groundwater - 11% of fresh water Lakes & Rivers - 0.34% of fresh water Water Vapor - 0.037% ...
January 14, 2010 by Anya

science-plz help this is so urgent!
8. a) after the oceans, where is the next largest reserve of water found? b) does this reserve contain salt water or fresh water? Fresh water lakes on the surface. Glaciers and icecaps account for a greater amount of water than lakes swamps and rivers if they were melted. I ...
June 7, 2007 by jen

geometry
A pipe is 30 ft long with a radius of 2ft.What is the maximum volume
July 14, 2010 by rally

college
In warm climates, drinking water is often cooled by evaporating water from the surfaces of clay pots or canvas bags. How many liters of water may be cooled from 37 C to 24 C by the evaporation of 100 g of water? The heat of vaporization of water is 2.4 kJ/g, and the specific...
October 28, 2010 by Abiola Ajibola

Physics
Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min. Flow rate Q = volume/time = speed * cross section area Q=200/5.8=speed*.028....i get 1231.52 or Q=(200/348)=speed*.028...i get 20.52 both are wrong so what do i do? then i did speed=200/(pi*.25^2...
November 17, 2009 by ana

physics
What are the temperatures for freezing water and boiling water on the Kelvin temperature scale? a)273K for freezing water; 373K for boiling water b)0K for freezing water; 100K for boiling water c)32K for freezing water; 212K for boiling water
March 29, 2012 by Kristie

Math
Which figure if any, is topologically equivalent to a sponge? Pencil, Pipe, or Trophy and Why?
October 25, 2009 by Jenny

Math
Could someone please help me? calculate the volume in cu. ft of a section of drainage pipe that measures 8 feet in lenght and 24 inches in diameter (all measurements has to be in the same units and be careful that you distinguish between diameter and area when using this ...
February 22, 2007 by Bridget

Math 117
is a pretzel topologically equivalent to a pencil, pipe,trophy or none of these?
September 9, 2009 by hannah

science
you can produce a sound by plucking a string or blowing in a pipe. how is this alike? how is this different?
December 15, 2009 by Christina

Physics
Why is the CM of a 1.00m length of pipe at its midpoint, whereas this is not true for your arm or leg?
February 3, 2010 by Charlie

Chemistry
What's the balanced chemical equation of cleaning up oil, whether it be a spill, pipe etc.
April 10, 2010 by Juggy

sound and music
How long is an open organ pipe with a fundamental frequency of 493.88 Hz?
March 15, 2011 by Harie

GEOMETRY
DdETERMINE THE LATERAL AREA OF A PIPE THAT IS 12FT LONG AND 4 INCHES IN DIAMETER
May 21, 2011 by JOY

Math Solve the following
Question: 1.Russell has a pipe that is 150 inches long. it must be cut into 3 1/8 inches segments for project. How many segments will he have? 2. Rebeckah is an elementary school teacher. she is making an individual craft project kits that requires 2/3 of a cup of water to ...
October 31, 2012 by jessica

8th grade
how to make a double line graph to show air/water temperatures.mon.air-92 water-68tues.air-94 water-69 wed.air-88 water=70,thurs. air=85 water=72 and friday air=96,water=72
June 9, 2010 by will

math
could you please tell me how you got the answer reguarding the 2" pipe i would really appreciate it. Thanks
June 24, 2012 by jay

SCIENCE
A PIPE FULL DIESEL HAS 5 PSI ON IT, AT 70 DEGREES AND ONE DEGREE OF CHANGE = WHAT PRESSURE
August 24, 2012 by MARTY

math
how do you figure out the diameter of a pipe that is 40 feet high and holds 200000 gallons
October 23, 2012 by becky

3rd homework
the water cycle lesson 2 how water changes and moves 1. ____________ water changes from a __________ to a _________________ 2. ____________ water changes from a _________ to a ________________ 3. _________________ Liquid water falls to the ground as _______________ * the water...
October 27, 2010 by choconcung

chemisry
Why does luis place 3 cups of water without any solute in the freezer? a. if some water spills, he will have extra b. the plain water is the control group c. he wants to know how long water takes to freeze d. the 3 cups of water are unnecessary to the experiment (b)
February 26, 2010 by mary1111

Pipeline design
Sketch a preliminary layout for the following heat exchanger systems. On the layout sketch indicate pipe work manifolds, access platforms, access for construction, operations and maintenance. In your answer we are looking for thought into the relative sizes of these heat ...
November 14, 2013 by Tony

physics
balloon filled with 1 liter of water (1000 cm^3) in equilibrium in a container of water, the balloon is totally submerged in the water. a. What is the mass of 1 liter of water? b. What is the weight of the 1 liter of water? need assitance in setting up problem and figuring out...
October 23, 2006 by mitch

Math
Calculate the volume in cu. ft. of a section of drainage pipe that measures 8 feet in length and 24 inches in diameter. 90.4 cu ft.?
September 30, 2008 by Jen

Physics
Two organ pipes are imitating a sound of 12 Hz, one of them is 12 m long. What is the length of the other pipe?
December 11, 2013 by Timothy

science
A 20 N object displaces 2,000 mL of water. What is the buoyancy? Hint: 1 mL of water = 1 cm3 of water = 1 g of water (Remember to convert g to kg) Will it float? (yes/no)
May 1, 2012 by Morgan

Chemistry
If 22 g of water is heated so that the water temperature rises from 18.1C to 21.5C, how many calories have been absorbed by the water? The specific heat of water = 1.00 cal / (g C)
October 25, 2010 by Cassie

Physics (Liquids)
Hi! Ok P = Po + (greek lowercase letter Ro)gh pressure = atmospheric pressure + density of fluid(gravity)(pressure head) I derived it using calculus and followed along in the book the book assuems in ther derivation that it's a solid cylinder that sits straight up and down... ...
October 21, 2009 by Physics (Liquids)

Chem
mass of empty cylinder is 87.470g 97.470g w/10mL of water 107.470g + 10mL of water 117.470g + 10 more mL of water need to know the total volume of water (in mL or cm3) total mass of water density of water calculate the average of the 3 densities of water.
June 19, 2010 by dra

ThermoChemistry
When 19 mL of water at 22 C is combined with 18 mL of water at 64 C, what is the final temperature of the water?. The specific heat of water is 4.184 J/g/K and its density is 1.0 g/mL.
December 2, 2011 by LaurenB

Economics
3. Suppose the Clean Springs Water Company has a monopoly on bottled water sales. If the price of tap water increases, what is the change in Clean Waters profit-maximizing levels of output, price, and profit? Explain in words and with a graph. Take a shot. What do you think. ...
December 1, 2006 by Sally

Organic Chemistry
Water/methanol and water/acetone are viable solvent systems for recrystallization,but water/chloroform and water/pentane are not. Briefly explain in 1-2 sentences.
October 13, 2013 by Cheech

Pjysics Help!!!
An organ pipe is open at one end and has a length of 3 m. What is its fundamental frequency if the speed of sound is 336 m/s?
December 1, 2010 by Andrew

Math
a skateboard with a mass of 1.5 kg moves up a quarter pipe to a height of 5.0 meters. How fast was it moving at ground level?
October 23, 2014 by Bart

mat 116
two large storage tanks, T and W contain water. T starts losing at the same time additional water starts flowing into W. The graph below shows the amount of water in each tank over a period of hours. Assume the rates of water loss ad water gain continues as shown. At what ...
March 2, 2014 by csrla

physical
in a water tank is filled wiyh 1026 lter of water,we want to mixed sodium nirtride by 17% of the water,how much we used sodiume nitride in kilogram in to the water?
September 14, 2013 by imran

RE: Water
If I boil water at home, when and how do I know I've boiled the water long enough to make distilled water?
January 1, 2008 by Diana

Water Treatment
Based on the treatment scheme, what type(s) of raw water is / are being treated? Groundwater River water Riverbank filtrate Lake water Infiltrated river water please post answer
October 19, 2013 by Naifaru

Chemistry
A portable electric water heater transfers 255 watts (W of power to 5.5 L of water, where 1 W=1J/s.How much time (in minutes) will it take for the water heater to heat the 5.5 L of water from 27∘C to 49∘C? (Assume that the water has a density of 1.0 g/mL.
September 12, 2014 by Lisa

science
It is true that ______ a) few plants grow well around water b) plants are better able to seek water than are animals c) water covers about 95% of the plants d) the amount of water in the enivronment limits the kinds of organisms that can live there e) water is not essential to...
September 10, 2010 by help please

physics
At a construction site a pipe wrench struck the ground with a speed of 24 m/s. (a) From what height was it inadvertently dropped? (b) How long was it falling?
November 26, 2009 by reemas

physics
At a construction site a pipe wrench struck the ground with a speed of 45 m/s. (a) From what height was it inadvertently dropped? (b) How long was it falling?
October 6, 2010 by monnie

Enviromental Science
It is true that ______ a) few plants grow well around water b) plants are better able to seek water than are animals c) water covers about 95% of the plants d) the amount of water in the enivronment limits the kinds of organisms that can live there e) water is not essential ...
May 31, 2011 by Joey

Chemistry
How might one separate a mixture of water and salt? A solution of water and salt may be separated, if you don't want the water, by allowing the water to evaporate which will leave the salt crystals behind. If you want the water AND the salt, you may separate them by ...
September 9, 2006 by Dave

biology
1 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are attracted to other ...
November 20, 2013 by anonymous

Physics
A large pot is placed on a stove and 1.2 kg of water at 14C is added to the pot. The temperature of the water is raised evenly to 100C just before it starts to boil. (a) What amount of heat is absorbed by the water in reaching 100C? (b) The water then boils until all of it ...
October 27, 2014 by Alexandra

PHYSICS: Waves in Media
An organ pipe is open at one end and has a length of 3 m. What is its fundamental frequency if the speed of sound is 336 m/s?
December 6, 2010 by Ashley

physics
what is the length of the shortest pipe closed on one end that will have a fundamental frequency of 60 hz on a day when the velocity of sound is 340 m/s?
November 20, 2011 by j. boateng

physics
A 350-Hz tuning fork is held above a closed pipe. Find the spacings between the resonances when the air temperature is 20C.
March 28, 2012 by lisa

biology need help
1 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are attracted to other ...
November 20, 2013 by anonymous

maths
A cylindrical water tank has a diameter of 140cm.To begin with it is full of water.A leak starts at the bottom so that it loses 33l of water in 1hour.How long will it take for the water level to fall by 30cm?
April 12, 2011 by bryan

CHEMISTRY!!
A student determined the calorimeter constant of the calorimeter. The student added 50.00 mL of cold water to 50.00 mK of heated , distilled water in a styrofoam cup. The initial temp of the cold water was 21,00C and the hot water, 29.15C. The maximum temp pf the mixture was ...
March 3, 2010 by Sydney

maths
Q: oil flows through a pipe at a rate of 40m3/sec. how long will it take to fill a tank of volume 1.2x10^5m3?
December 25, 2010 by sweetie

physics
pipe to know how the inner diameter changes. Rank in order from largest to smallest the gas speeds va, vb, and vc at points a, b, and c. Explain in complete sentences.
June 21, 2012 by steph

chemistry
Why is water essential to living things? A. Water is essential because it is an inorganic compound. B. Water is essential because it contains hydrogen and oxygen atoms. C. Water is essential to many of the chemical reactions that occur in the body. D. Water is essential ...
May 1, 2014 by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

science
Which of the following is a example of a irriversible change. a)Disssolve salt in water b)Freezing water C)Mixing water-colour Which do you think you can't separate? Can you separate salt after it is dissolved in water? I think I could evaporate the water and leave the salt ...
April 21, 2007 by Rohit

Help
4. Which of the following is not needed to make a model of the water cycle? an energy source water a closed container a drain 5. Which of the following explains why water is a limited resource? Water is present on Earth in a fixed amount that does not change. Water is ...
March 12, 2014 by anonymous

Technology
Which of the following statements is true about a plumbing system? a. The potable water system carries used water away from the building b. The potable water system carries water that is safe for drinking c. All potable water that enters a building feeds the water heater d. ...
January 22, 2010 by y912f

Science :(
4. Which of the following is not needed to make a model of the water cycle? an energy source water a closed container a drain 5. Which of the following explains why water is a limited resource? Water is present on Earth in a fixed amount that does not change. Water is ...
March 12, 2014 by anonymous

chemistry .....please help
Which of the following statements does not apply to water? A. Like all liquids, water assumes the shape of its container. B. Water is a polar molecule. C. The strong surface tension of water allows it to adhere to the sides of a container and actually move up tubing via ...
July 19, 2012 by lalt

second revision
Discuss an environmental problem that you feel is significant in your town or city. What are some causes? Are any of these causes related to human values and environmental ethics? Explain. (Ms. Sue I am a bit confused about the second question) The city of Miami located on the...
June 13, 2008 by rose- Ms. sue

Chemistry
A portable electric water heater transfers 255 watts (W) of power to 5.5 L of water, where 1 W = 1 J/s. How much time (in minutes) will it take for the water heater to heat the 5.5 L of water from 25 degrees celsius to 42 degrees celsius? (Assume that the water has a density ...
February 9, 2012 by Elle

science
2 liters of water at 80.c is found into a plastic bucket containing 10 liters of water at 20.c what is the final temperature of water ( density of water 1kg/litre) (neglect the heat gained by bucket and specific heat capacity of water = 1cal/gm.c ?
August 24, 2012 by yash

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