Friday
August 1, 2014

Search: If the price of electrical energy is $0.10 per kilowatt · hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0 m 7.00 m 3.0 m) from 10 to 20° C

Number of results: 30,509

Physics
If the price of electrical energy is $0.10 per kilowatt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degrees Celcius?
February 15, 2011 by Heather

Physics/Chemistry
If the price of electrical energy is $0.10 per kilowatt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degrees Celcius?
February 15, 2011 by Heather

Physics
One kilowatt-hour (kWh) is the amount of work or energy generated when one kilowatt of power is supplied for a time of one hour. A kilowatt-hour is the unit of energy used by power companies when figuring your electric bill. Determine the number of joules of energy in one ...
February 29, 2012 by Candy

Physics Help Please!
If the price of electrical enegy is $0.10 per kilowatt *hour, find the cost of using electrical energy to heat the water in a 12.0m * 9.00m * 1.5m swimming pool from 15 degrees C to 27 degrees C. So the change in temperature is 285.15 , the volume is 162m^3, the specific heat ...
April 6, 2010 by Dave

physics please help
one kilwatt/hour (kWh) is the amount of work or energy generated when one kilowatt of power is supplied fr a time of one hour. a kilowatt/hour is the unit of energy used by power companies when figuring your electric bill. determine the number of joules of energy in one ...
February 24, 2012 by taylor

physics
if it costs 4.5 to 7.5 cents per kilowatt-hour (wind energy) what is the price per kW?
March 26, 2008 by Tim

Physics
The temperature in an electric oven is 165°C. The temperature at the outer surface in the kitchen is 55°C. The oven (surface area = 1.6 m2) is insulated with material that has a thickness of 0.023 m and a thermal conductivity of 0.045 J/(sm°C). a) How much energy is used to ...
April 18, 2007 by papito Urgent help needed

physics
If the price of electrical energy is $0.10 per kilo-watt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degree C? Can anyone please give me some hints to do it? Thanks a lot!
February 10, 2008 by Charolett

physics
If electrical energy cost 5.00 per kilowatt hour, what will be the daily cost of using a 50 watt bulb for 4 hours a day when connected across a 220 volt source?, help please!
February 10, 2013 by nitz

Math 2
The instruction booklet for a DVD player says that the player uses about 0.4 kilowatt of electricity per hour. If electricity costs $0.20 per kilowatt per hour. How much does it cost to run the player for an hour?
May 2, 2014 by Jenny 2

physics
Electric power is found by multiplying ___ by current. volts? potential difference? The kilowatt hour is a unit for measuring ___. energy or electrical energy Thanks
May 2, 2011 by Sushmitha

math
Consumers pay for electricity by the kilowatt-hour (the amount of electricity used by a 1,000-watt appliance in one hour). If electricity costs 10cents per kilowatt-hour, what is the cost of running a 100-watt lamp for 1. 1 hour? 2. 24 hours? 3. 1 year?
December 7, 2010 by Mike

Physical science
If the reading on a electric meter was 2345 kilowatt-hour and the next mouth was 3456 , how much electrical energy was used ?
April 6, 2010 by Gwen

Physics
At 7.65 cents per kilowatt-hour, what does it cost to operate a 10.0 hp motor for 6.00 hr? At 7.65 cents per kilowatt-hour, what does it cost to leave a 75.0 W light burning 24.0 hours a day?
March 6, 2011 by Ana

Chemistry
Assume electricity cost 15 cents kw per hour....using the energy requirements.what is the per gram cost of energy to produce Na + AL? Useful info: 2NaCL --> 2Na + CL2 around 600 degree C; 14 KJ per g Na. Al- 2Al2O3-->4Al+3O2 1000 degrees C; 30 KJ per g Al in cryalite (...
November 14, 2006 by Liliana

Science asap!!!
This question is about energy efficiency. e.g. more efficient A= B C D E Less Efficient my question An old freezer has an energy consumption per year of 350kwh use the equation in the box to calculate the extra cost of using the old freezer for one year compared with using a ...
September 20, 2013 by HS

Physics
The average power output of a human heart is 1.3 3 Watts. You had to pay for this energy at Wis consin Energy’s rate of $0.12061 per kWh (kiloWatt hour), what is the cost?
March 2, 2013 by Meder

physics
An energy-efficient lightbulb, taking in 25.0 W of power, can produce the same level of brightness as a conventional bulb operating at power 100 W. The lifetime of the energy-efficient bulb is 10,000 h and its purchase price is $17.00, whereas the conventional bulb has ...
November 14, 2011 by carlton

algebra
Express each situation as an algebraic expression: 1. An electric company charges $10 a month plus $.15 per kilowatt-hour of electricity used. What is the monthly bill in dollars if K kilowatt-hours are used?
October 26, 2010 by Anonymous

pre cal
for a monthly customer charge of $5.69 plus 8.48 cents per kilowatt-hour for up to 1000 kilowatt-hours. (a) Write a linear equation that relates the monthly charge C, in dollars, to the number x of kilowatt-hours used in a month, 0 ≤ x ≤ 1000.
January 15, 2014 by kisha

math
Power companies typically bill customers based on the number of kilowatt-hours used during a single billing period. A kilowatt is a measure of how much power (energy) a customer is using, while a kilowatt-hour is one kilowatt of power being used for one hour. For constant ...
March 9, 2013 by HELLO

pre cal
Electricity Rates in Florida. Florida Power & Light Company supplies electricity to residential customers for a monthly customer charge of $5.69 plus 8.48 cents per kilowatt-hour for up to 1000 kilowatt-hours. (a) Write a linear equation that relates the monthly charge C, in ...
January 15, 2014 by kisha

Physics
Hydro Quebec charges clients by the kilowatt hour. Is this a unit of power, energy or force? If you consume 500kWh per month how would this be expressed in SI units?
March 26, 2012 by bobby

biology
What are two units of measure for the energy obtained from macronutrients? Energy units. A BTU (British Thermal Unit) is the amount of heat necessary to raise one pound of water by 1 degree Farenheit (F). 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton ...
February 3, 2007 by Kathlene

Physics
(True or False) One Kilowatt-hour is equal to the energy consumed by an electric device of 1 W for 1 hour
March 27, 2012 by MM

Physics
Assuming 100% of your energy can be converted to electrical power, and electricity costs $0.10 for 1 kilowatt-hour, how high should you climb to make one penny's worth of electricity? Show all work & units. I have 288.8 watts, and that's as far as I have been able to reach.
October 5, 2010 by Amber

physics
If all the solid waste of 230 million tonnes were burned in waste-to-energy power plants that are 20% efficient, a) how many kilowatt-hours of electrical energy could be produced in a year? Compare this quantity with the total U.S. electrical energy production of approximately...
November 5, 2013 by nicole

physics
If all the solid waste of 230 million tonnes were burned in waste-to-energy power plants that are 20% efficient, a) how many kilowatt-hours of electrical energy could be produced in a year? Compare this quantity with the total U.S. electrical energy production of approximately...
November 5, 2013 by nicole

physics
In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 13.0 oC. The temperature at the inside surface of the wall is 21.1 oC. The wall is 0.19 m thick and has an area of 8.3 m2. Assume that one kilowatt hour of electrical ...
November 30, 2012 by Redgy22

Physics - electricity
An incandescent lamp is marked '120v,75W' a)what is the current in the lamp under normal condition of operation? b)How much does it cost per hour to operate the lamp if the price of electrical energy is $6.00 per unit? Please stop posting under different names. Use ohms law, ...
April 17, 2007 by Charles

physics
(a) A solar collector is 12.0% efficient in gathering solar energy and converting it to heat. If the average intensity of sunlight on one day is 700 W/m2, what area(m^2) should your collector have to gather energy at the rate of 150 W? (b) What is the maximum cost ($)of the ...
July 30, 2013 by Justin

Science
Which of these energy changes takes place in a solar cell? A.Heat energy to light energy B.Light energy to electrical energy C.Electrical energy to heat energy D.Thermal energy to electrical energy C?
April 2, 2012 by Rezu

Physics
At 7.65 cents per kilowatt-hour, what does it cost to operate a 8.00 hp motor for 7.00 hr?
October 20, 2011 by Kyle

Science
A400watt light bulb is left on for 6.5hours. How many kilowatt hour of energy is used?
April 25, 2011 by Alvida

Someone please help me with science?
1. Which of the following shows the correct sequence of energy transformations when listening to the radio? electrical; kinetic; sound; kinetic; electrical electrical; sound; kinetic; sound; electrical sound; electrical; kinetic; electrical; sound kinetic; sound; electrical; ...
April 16, 2013 by Rebekah

7TH GRADE SCIENCE?!?!
1. Which of the following shows the correct sequence of energy transformations when listening to the radio? electrical; kinetic; sound; kinetic; electrical electrical; sound; kinetic; sound; electrical sound; electrical; kinetic; electrical; sound kinetic; sound; electrical; ...
April 16, 2013 by Rebekah

Science
What type of energy from the Sun do plants use to make their own food? A.Chemical Energy B.Sound Energy C.Light Energy D.Heat Energy C? An MP3 player uses the chemical energy in a battery to produce electricity energy. The electrical energy makes the player work.When turned on...
April 2, 2012 by Rezu

physics
. Compared a car (mass of 2000 kg) moving at 10 miles per hour, how much kinetic energy (in Joules) does that same car have when it moves at 20 miles per hour? At 50 miles per hour? 75 miles per hour?
March 12, 2012 by Hector

GCSE Physics
The energy value of gas used in a home is measured in KWH. The home owner has a prepayment meter and pays £30 into his account. With a prepayment meter, gas cost 15p per KWH. Use the below equation to calculate the total number of hours that the gas boiler would operate for £...
July 20, 2013 by abu hamza

Science
Molecules that make up matter move constantly.Which of these forms of energy refers to the energy of the moving molecules and why? A.Chemical Energy B.Thermal Energy C.Electrical Energy D.Light Energy Which device can change electrical energy to light and sound energy? A....
April 2, 2012 by Rezu

Economics
A reliable 15-year-old babysitter can be a price maker within her own neighborhood. Suppose that this babysitter wishes to implement a Multipart Pricing Plan. Customers who use her services less than L hours per month will pay a high price of PH dollars per hour. Customers who...
July 20, 2010 by James

calculus
Suppose the function G(t) represents a test grade (out of 100 points) as a function of hours studied. If G(t)=-0.046t^3+0.915t^2+38.005 points, what is (dG/dt)when t=4? Round your answer to the nearest point per hour. a. 50 points per hour b. 3 points per hour c. 5 points per ...
September 20, 2011 by Roger

physics
An oven is plugged into a 120 V electrical outlet and "cooks" the food by using a 144 ohm resistor light bulb that converts electrical energy to both light and heat energy. If the light bulb converts 75% of the electrical energy to thermal energy, and the oven is used for a ...
May 30, 2013 by maddy

Stout
A chocolate chip cookie contains about 200 kcal. How many kilowatt-hours of energy per day does it contain. How long could you light a 100-W light bulb with the energy from the cookie?
November 14, 2010 by Linda

Physics multiple choice questions
1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
April 7, 2014 by Jessica

Physics multiple choice questions
1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
April 8, 2014 by Jessica

physics
Approximately 5.5 X10^6 kg of water fall 50m over Niagara Falls each second. a) What is the decrease in the gravitational potential energy of the water-Earth system each second? b) If all this energy could be converted to electrical energy (can’t happen) at what rate would ...
January 10, 2007 by Brian

physics
Approximately 5.5 X10^6 kg of water fall 50m over Niagara Falls each second. a) What is the decrease in the gravitational potential energy of the water-Earth system each second? b) If all this energy could be converted to electrical energy (can’t happen) at what rate would ...
January 11, 2007 by Brian

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

physics
If the average household uses electrical energy daily at the rate of 500. W, how much U-235 must undergo fission to supply this need for a year? (assume 200. MeV of energy are generated per fission and that the power plant is 46% efficient). 1. Energy used in Joules per year? ...
March 16, 2010 by sasha

Chemistry
1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical energy is changed to ...
March 27, 2013 by Jose

Chemistry
1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical energy is changed to ...
March 27, 2013 by Jack

MATH PLEASE im begging HELP!!!!!
What is 900 feet per day converted into yards per hour? A. 12.5 yards per hour B. 37.5 yards per hour C. 112.5 yards per hour D. 7200 yards per hour
January 30, 2013 by Wild

Physics
A freezer has a coefficient of performance of 6.30. It is advertised as using 486 kWh/yr. Note: One kilowatt-hour (kWh) is an amount of energy equal to running a 1-kW appliance for one hour. a) On average, how much energy does it use in a single day? I got 4.79 x 10^6 J (b) On...
February 16, 2011 by Z32

Physics
A car is moving at 50 miles per hour. The kinetic energy of that car is 5 × 105 J. How much energy does the same car have when it moves at 114 miles per hour? Answer in units of J
June 20, 2014 by Kaylee

statistics
6. According to the records of Enersource, an electric company serving the Mississauga area, the mean electricity consumption for all households during winter is 1650 kilowatt-hours per month. Assume that the monthly electricity consumption during winter by all households in ...
June 23, 2013 by david

physics
A)When the energy input to gas fired power station is 1000MJ,the electrical energy output is 300MJ.What is the efficiency of the power station in changing the energy in gas into electrical energy b)what form does the 700MJ of lost energy take c)what is the fate of the lost energy
August 3, 2011 by Luc

Science
How does an electrical current in a circuit produce thermal, sound, and magnetic energy? The electrical current flows thru devices that convert the electrical energy to mechanical or electomagnetic waves. i have a science project do tommorrow but i need some pictures of the ...
March 29, 2007 by SasukeUchihaFanatic

physics-energy conservation
a mordern power station,or, more correctly, an energy station, converts heat energy into electrical energy at an efficiency od 50% if the station produces electrical energy at a rate of 1.00GW from burning coal, calculate the mass of coal it burns each day. the coal it uses ...
May 9, 2007 by Emma

Physical Science
A 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days?
March 20, 2014 by Darlene

Science
Batteries change ____ energy into _____ energy Chemical and electric Converting the suns energy into electricity does not work if it is ____ time or there is ___ weather night and bad? The suns energy can be turned into electrical energy or ___ energy solar? A toaster ...
September 19, 2012 by Lance

physical science
If a 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power company charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days?
October 22, 2010 by beebop

physics
The Easy Bake Oven is a common toy for young children who want to emulate the process of cooking. Suppose this oven is plugged into a 120 V electrical outlet and "cooks" the food by using a 144 ohm resistor light bulb that converts electrical energy to both light and heat ...
May 30, 2013 by Julia

Physics
A 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days? Please show how to work this
March 20, 2014 by Darlene

phys.
suppose your local electric company charges $0.0650/kWxh for the first 200.0 kWxh, and then drastically raises the price for every kilowatt-hour more. What is the maximum you family would pay if they wanted to pay only the cheaper rate?
January 11, 2010 by Sienna

physics
A power plant burns coal and generates an average of 600.0 Megawatts (MW) of electrical power while discharging 900.00 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period. Coals vary a lot in their energy content. The energy released by...
January 6, 2014 by Nika

chemistry
A frost-free refrigerator uses about 640 kWH of electrical energy per year. Express this amount of energy in J: kJ: Cal:
October 19, 2008 by Lilit***

Math
This is the question. In 1991, an American, Ann Trason, set a world record by running 100 km in 7hr,50min,09sec. What is the best estimate of her average speed? A.12 km per hour B.14 km per hour C.16 km per hour D.18 km per hour how do u figure this out? im stuck on this. im ...
February 25, 2009 by Meherin

Math
Which of the following statements describe an exponential relationship? A. the temperature is increasing at the rate of 3 degrees per hour. B. the number of bacteria is increaing at the rate of 30% per minute C. The number of cars in the parking lot is decreasing at the rate ...
December 3, 2009 by Taylor

microeconomics
Jason wants to hire Maria to tutor him in economics. Jason is willing to pay $30 for the first hour of tutoring, $25 for the second, $20 for the third, $15 for the fourth, and $10 for the fifth. Maria has an opportunity cost per hour of $6 for the first, $9 for the second, $12...
February 29, 2008 by janet

capital cost
Supplier A has old equipment that produces at the rate of 10,000 per hour. Supplier B has equipment that produces at the rate of 20,000 per hour and supplier C has new equipment that produces at 40,000 per hour. You need 60,000 pieces. Each supplier uses the same amount of ...
March 25, 2011 by Anonymous

phy
A popular brand of pressure washer claims to deliver 330 litres per hour of water at a pressure of 80 bar, drawing 1400 W of electrical power in the process. Pressure washers of this type consist of an electric motor that drives a small compressor to pressurize water fed into ...
May 11, 2013 by Fred

Management accounting
Andre has a hair styling business with five workers that are paid $9.90 per hour,they work 40-hour per week and 50 weeks a year.Rent is $1,750 per month, hair shampooing is .40 per client, haircuts unit price is $12. Andre needs your help in finding the following information. ...
May 25, 2007 by please help !!!

Physics -- check answers please
1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
April 7, 2014 by Jessica

Physics
A fossil-fuel power plant that generates 1000MW of electrical power discharges 1600MJ per second as waste heat into the river. A)At what rate(in MW) is thermal energy obtained fromt the burning of coal? B)What is the thermal efficiency(power output/heat input) of the plant? C...
May 4, 2011 by Devon

Math I need help Please help me!!!!!!
Daniel is climbing up a cliff at a rate of 2 meters per minute. What is his rate in feet per hour? A. about 36.6 feet per hour B. about 98.4 feet per hour C. about 197 feet per hour D. about 394 feet per hour
January 30, 2013 by Mary J.

Math I need help Please help me!!!!!!
Daniel is climbing up a cliff at a rate of 2 meters per minute. What is his rate in feet per hour? A. about 36.6 feet per hour B. about 98.4 feet per hour C. about 197 feet per hour D. about 394 feet per hour
January 30, 2013 by Mary J.

Economics
Graph A New Equilibrium: Y axis represents Quantity (hours per semester) 0, 25, 50, 75, 100, 125, 150 X axis represents Price of Tutoring (per hour) 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, $50 Question: Determine the approximately size of market surplus or shortage that would ...
November 4, 2012 by Sanford

physics
Information: 1. According to the information on the EERE posting, 22% of the U.S. annual electrical energy consumption is for lighting. The amount of energy is 8.2 Quads, (1.0 Quad = 1015 BTU). This is in agreement with the information given in the International Energy Agency...
April 20, 2008 by Tim

physics
the kilowatt-hour is a unit of: force, work, power, or time?
February 19, 2011 by Nilan

chem
Explain, in terms of electrical energy, how the operation of a voltaic cell differs from the operation of an electrolytic cell used in the Hall process. Include both the voltaic cell and the electrolytic cell in your answer. Would this be correct: In a voltaic cell, chemical ...
April 20, 2009 by Anonymous

Science
Which one of these is a form of stored energy? A. Heat energy B. Light energy C. Electrical energy D. Chemical Energy D?
April 2, 2012 by Rezu

astronomy
2. We ultimately want to find the amount of solar energy that hits the observer on the planet. Energy is usually measured in Joules, but there are other appropriate units of energy as well; kilowatt-hours for example, are used to measure the amount of electrical energy that we...
July 15, 2012 by Luis

Economics
Consider a country that initially consumes 100 pairs of shoes per hour, all of which are imported. The price of shoes is $40 per pair before a ban on importing them is imposed. Use a graph to explain what happens to the price of shoes and the quantity of shoes consumed after a...
September 9, 2009 by Chloe

Algebra
(Can someone please help me with this question?) When three pumps, A, B, and C, are running together, they can pump 3400 gal per hour. When only A, and B are running, 1900 gal per hour can be pumped. When only A and C are running, 2300 gal per hour can be pumped. What is the ...
February 20, 2014 by Student5

AlgebraII
A train goes from boston to new york averaging 40 km per hour and returns averaging 60 km per hour. What is the average speed(it is not 50 km per hour) for the round trip?
August 20, 2012 by Sarah

physics
please check these for me: When a positive charge moves in the direction of the electric field, what happens to the electrical potential energy associated with the charge? a. it increases b. it decreases c. it remains the same d. it sharply increases, and then decreases C A ...
March 12, 2009 by physics

Calculus
You are the owner of a delivery company with one truck. The trucks fuel economy is 1200/x miles per gallon when driving at x miles per hour (where 80 >= x <= 110). The price of fuel is $1 per gallon. You pay the truck driver $8 per hour. If a delivery 100 miles away is ...
November 14, 2011 by Ass10

Economics
I am getting thrown off by absolute advantage: Boston: Red Socks per worker per hour 3 White Socks per worker per hour 3 Chicago: Red Socks per worker per hour 2 White Socks per worker per hour 1 A) Without trade, what is the price of white socks (in terms of red socks) in ...
May 16, 2008 by G

Science
What does a source of electrical energy do in an electrical circuit?
December 14, 2006 by Icy Rose

Science
where does this energy conversion occur? gravitional energy to kietic energy to electrical currernt. what i don't understand is what is gravitational energy?
October 10, 2010 by Izzy

managerial accounting
The following direct materials and direct labor data pertain to the operations of Solario Manufacturing Company for the month of August Costs Quantities Actual labor rate $13 per hour Actual hours incurred and used 4,200 hours Actual materials price $128 per ton Actual ...
November 15, 2010 by jennifer

accounting
ABC's Product information Current Product Expansion Product (estimate) Selling Price $14.50 $ Units produced and expected to be sold 80,000 5,000 Machine Hours 40,000 5,000 Direct Materials $1.30 per unit $5.60 per unit Direct labor dollars needed per product $2.80 per unit $4...
January 14, 2014 by Anonymous

Calculus
You are the owner of a delivery company with one truck. The trucks fuel economy is 1200/x miles per gallon when driving at x miles per hour (where 80 >= x <= 110). The price of fuel is $1 per gallon. You pay the truck driver $8 per hour. If a delivery 100 miles away is ...
November 17, 2011 by Becky

calculus
Throughout the 20th century, the yearly consumption of electricity in the US increased exponentially at a continuous rate of 7% per year. Assume this trend continues and that the electrical energy consumed in 1900 was 1.4 million megawatt-hours. Find the average yearly ...
January 19, 2012 by Cookie

Algebra
When three pumps, A, B, and C, are running together, they can pump 3400 gal per hour. When only A, and B are running, 1900 gal per hour can be pumped. When only A and C are running, 2300 gal per hour can be pumped. What is the pumping capacity of each pump? What is the pumping...
February 18, 2014 by Studying

Algebra
When three pumps, A, B, and C, are running together, they can pump 3400 gal per hour. When only A, and B are running, 1900 gal per hour can be pumped. When only A and C are running, 2300 gal per hour can be pumped. What is the pumping capacity of each pump? What is the pumping...
February 20, 2014 by student5

Physics
A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? IS THE CORRECT ANSWER 3.5MILES PER HR??????????
March 9, 2012 by Anonymous

science
calculate the cost of using a 100w lamp for 10 hours if electrical energy costs 11.3 per kwh
September 11, 2009 by georgie

MATH
Could someone please double check me? ------------------------------------------ A Developer works 40 hours per week at $30 per hour. He or she earns : 40 hours x $30.00 per hour = $1200.00 - per week. The four developers earn : 40 hours x $1200.00 = $4800.00 - per week...
November 23, 2009 by Rachel

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members