Monday

February 27, 2017
Number of results: 72,198

**chemistry**

The mass ratio of Kr to F in a particular compound is 2.206:1. How many grams of fluorine are present if the compound contains 713.3 grams of Kr?

*October 1, 2010 by Elizabeth*

**Science**

The dimensions of a certain water tank 8m*6m*4m.what is the pressure at the bottom of the tank,if the tank of half filled?

*October 16, 2016 by Astha Tamrakar*

**chemistry**

Gasoline in Great Britain costs 1.40 euros per liter. What is the American equivalent cost in Dollars per Gallon? (A "euro" in Britain is equal to $1.59 in American)...Please help me answer this!!!!!

*September 11, 2008 by Court*

**Algebra**

The Blakely family has driven 50 miles of a 200-mile trip. Their car travels 30 miles per gallon of gas. How many gallons of gasoline, g, will the car use on the remainder of the trip?

*October 24, 2016 by Rameare*

**Statistics**

The nicotine content in cigarettes of a certain brand is normally distributed with mean (in milligrams) μ and standard deviation σ = 0.1. The brand advertises that the mean nicotine content of their cigarettes is 1.5, but measurements on a random sample of 400 ...

*November 27, 2012 by Clay*

**Fluid Mechanics**

A cylindrical tank 2m diameter and 4m long with its axis horizontal, is half filled with water and half filled with oil of density 800kg/m^3. Determine the magnitude and position of the net hydrostatic force on one end of the tank. The answers should be 27.9kN, 1.26m from the ...

*November 3, 2010 by Claire*

**science **

Numerical problem : The dimensions of a certain water tank are 8m x 6m x 4m. What is the pressure at the bottom of the tank, if the tank is half filled?

*January 15, 2017 by angel*

**college**

A tank for storing water is conical in shape, with maximum radius 20 m and maximum depth 15 m. The large, circular end of the tank points vertically upwards and is open to the air. It is known that the volume of water in the tank will decrease at a rate proportional to the ...

*October 19, 2015 by Pankaj*

**physics.**

Rank the following from most to least for the percentage of its volume above the water line: A. Basketball floating in saltwater B. Basketball floating in glycerin C. Basketball floating in gasoline

*April 3, 2014 by Anonymous*

**last science check**

6. Which of the following pairs of words correctly completes the blanks in the sentence below? Depletion of_____ has been halted by a ban on the manufacturing of____ .. the ozone layer, chlorofluorocarbons. acid rain, carbon dioxide. fossil fuels, gasoline. global warming, ...

*May 26, 2014 by me*

**physics**

A solid ball with a mass m=0.53kg floats in a tank of water.The ball is made of material with a density of 400kg/m^3.The density of water is 1000kg/m^3.what fraction of the ball is below waterline?

*March 25, 2015 by eunice*

**PHYSICS**

A solid ball with a mass m = 0.53 kg floats in a tank of water. The ball is made of material with a density of 400 kg/m3 . The density of water is 1000 kg/m3 . What fraction of the volume of the ball is below the waterline?

*April 3, 2015 by MONSOFT*

**physics**

A solid ball with a mass m = 0.53 kg floats in a tank of water. The ball is made of material with a density of 400 . The density of water is 1000 . What fraction of the volume of the ball is below the waterline?

*April 28, 2015 by Anonymous*

**math**

There are 1200 litres of water in a tank at present. IF the tank is 3/4 full, what is the capacity of the tank?

*September 3, 2007 by JaredNNNNNN1*

**Math**

Michaels car has a 18.0 gallon tank. If the tank has 5.5 gallons what fraction of the tank is full?

*November 14, 2012 by George*

**geometry**

you are standing 12ft from a cylindrical corn syrup tank the distance from you to a point of tangency on the tank 35ft what is the radius of the tank

*January 9, 2012 by Johnathan*

**math**

Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard deviation of 4.5 mpg. Find the range of mileage for the middle 60% of compact cars.

*November 18, 2014 by sarah*

**Chemistry**

length in cm of one side of perfect cube of gold with a density of 18g/cc and mass of 25g? How would i set up this equation? I don't know what length formula I would use, because I know that i am not supposed to just divide the density by the mass, because that would be ...

*September 24, 2011 by Bob*

**Physics**

The height of a cylindrical container is 15 cm and the inside diameter of the container is 10 cm. a) what is the volume? b) How much weight (in kg) would be required to fill the container to a density of 1.3 g/cm^3?

*August 27, 2015 by James*

**math**

A conical tank sits point down, at ground level, so that the circular top of the tank is parallel to the ground. The tank is 5.0 meters tall, and the top of the tank has a diameter of 3.0 meters. The tank is half full of water. What is the water level (depth)?

*September 15, 2009 by some kid*

**science**

how grams it would take to fill the buret to 35mL? is this would take more or less than for butane? what do you think causes this value to be different from the value for butane?

*July 9, 2011 by baby1*

**thermodynamics**

A scuba tank contains 1.5 kg. of air. The air in the tank is initially at 15 degree celcius. The tank is left near an engine exhaust line, and the tank's pressure doubles. Determine the final temperature, change of internal energy, change of enthalpy, and heat.

*November 29, 2011 by hermie*

**geometry**

A cylindrical tank is being constructed to hold 10,000 ft^3 of water. The diameter of the tank is 36ft. What is the minimum height needed for the tank?

*April 11, 2012 by Piggy*

**math**

A fish tank is in the shape of a rectangular prism. The dimensions of the tank are shown in the picture below. 84 in. 24 in. 48 in. What is the volume of the tank in cubic feet?

*April 12, 2015 by Lakshmi*

**statistics**

focus groups of 11 ppl are randomly selected to discuss products of the yummy company .it is determined that the mean number (per group)Who recognize the yummy brand name is 7.8,and the deviation is 0.97.would it be unusual to select 11 people and find that fewer than 4 ...

*December 5, 2009 by AILY*

**Science**

List ways simple plants affect your life each day. (HINT: Where do electricity and heat for homes come from?) food, heat and electricity(from fossils and coal and oil), cars (gasoline from oil), etc.

*February 7, 2007 by Jessica*

**Chemistry**

Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4.5H2O, which can be filtered off from the liquid. What is the minimum mass of anhydrous CuSO4 needed to remove 12.4g H2O from a tankful of gasoline?

*September 21, 2010 by Kaylee*

**Chemistry**

Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4 x 5H20, which can be filtered off from the liquid. What is the minimum mass of anhydrous CuSO4 needed to remove 12.6 g H20 from a tankful of gasoline?

*September 23, 2010 by Nikki*

**Chemisty**

Carbon dioxide is usually formed when gasoline is burned. If 30.0 L of Co2 is produced at a temperature of 1.00 X 103 C and allowed to reach room temperature (25.0 C) without any pressure change, what is the new volume of the carbon dioxide?

*September 7, 2011 by Sylvia*

**Math**

A customer's bill for maintenance and repair at a service station showed 6 quarts of oil at $1.15 each an air filter at $3.75 an oil filter at $7.45 13 gallons of gasoline at $1.15 a gallon and 3 hours labor at $37.00 an hour What was the total bill?

*November 30, 2016 by Jenny*

**Physics and chemistry**

Chapter 1 & 2 Review Questions 1. Compare and Contrast the two main branches of physical science. 2. Distinguish between scientific laws and scientific theories. 3. Describe the steps of the scientific method. 4. Explain the objective of a consistent system of units, and ...

*December 13, 2010 by mido*

**Science**

If a block could be molded into a flatter and longer shape, then which one would happen and can you explain? a. mass, volume, and density all would change. b. volume would change, but the mass and density would remaine the same. c. mass and volume would change, but the density...

*February 12, 2009 by rachel*

**chemistry**

A major component of gasoline is octane (C8H18). When octane is burned in air it chemically reacts with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). What mass of oxygen gas is consumed by the reaction of 8.17g of octane?.

*December 4, 2016 by Dee*

**calculus**

Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...

*February 1, 2010 by Jake*

**Calculus**

Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...

*February 1, 2010 by Jake*

**Math**

An underground tank full of water has the shape of a circular cone with a base radius 5m and height 4m at the top. The top of the tankl is 2m below the ground-surface and is connected to the surface by a spout. Find the work required to empty the tank by pumping all of the ...

*November 17, 2010 by Breona*

**Science**

Allie was setting up a fish tank in her room. She needed to find a tank that would fit on her table. What metric unit should she use to record the volume?

*November 11, 2009 by Destiny*

**math**

a vehicle uses 1 tablespoon of gasoline to drive 125 yard how many miles can the vehicle travel per gallon? a model airplane flies 18 feet in 2 seconds what is the planes speed per miles an hour? how do i do these

*October 21, 2010 by courtney*

**math**

Olive bought a used snow blower for $120. He charges $10 to clear a driveway of snow. It costs him 500 in gasoline to clear a driveway. After Olvie clears 13 driveways he is finally $_____ ahead,

*November 7, 2014 by Matew*

**physics**

A 989 kg automobile is moving at 15.6 m/s at a height of 5.0 m above the bottom of a hill when it runs out of gasoline. The car coasts down the hill and then continues coasting up the other side until it comes to rest. Ignoring frictional forces and air resistance, what is the...

*July 20, 2011 by Steve*

**Physics**

A 100 grams mass of a substance has a volume of 150 centmetre cube.Calculate the relative density of the substanc. [density of water pw=1.0gcm^-3]

*January 8, 2017 by Angela*

**physics**

tank of water with L=6m, W=3m, H=4m. 1) Find the force on the bottom of the tank from water. (ignore atmosphere pressure). 2) If the door to the tank is 1.5m by 1.5m and it is 2.25m (center bottom)from the edge of the tank, what is the force on the door and the position of ...

*September 14, 2007 by nick*

**rates and unit rates**

Water fl owing from a faucet can fill 1/4 of a tank in 3 minutes. a) How long does it take to fi ll the tank completely with water? b) How long will it take to fi ll 6 similar tanks completely with water? Give your answer in hours and minutes.

*December 11, 2014 by vad*

**chemistry**

when 10.0 grams of an unknown substance is dissolved in 50. grams of water, the new freezing point becomes -3.00C. What is the molar mass of the compound? For this question can some one tell me the formulas I need to solve for this problem and I can fill in the rest

*March 7, 2010 by Ronnie*

**brand names**

trying to come up with some brand name products that have slogans. please list any that you know of, so i can research about them and complete my assignment. thanks.

*June 6, 2011 by mary*

**chemistry**

0.2 Grams of HCL is dissolved in 0.8g of water. The density of the solution formed is 1.10g/ml. What is the molarity of the solution???? %HCl = [0.2/0.2+0.8)]x100 = 20% Density = 1.10 g/mL. The mass of 1,000 mL is 1.10 g/mL x 1,000 mL = 1100 grams. Mass HCl in the 1100 g is ...

*February 5, 2007 by boo*

**Calculus/physics**

Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...

*February 2, 2010 by Jake*

**math**

It cost $15.00 to buy 150 sheets of brand A's paper. it cost $19.25 to buy 175 sheets of brand B's paper. Which brand has the better value and by how much?

*January 27, 2013 by alicia*

**Math**

Mary has two tanks of fish. If she transfers 15 fish from the larger tank to the smaller tank then the number of fish in the smaller tank will be 5/7 of the number of fish in the large, tank. Given that there are 35 fish in the smaller tank originally, find the number of fish ...

*September 3, 2016 by Saba*

**math**

Mary has two tanks of fish. If she transfers 15 fish from the larger tank to the smaller tank then the number of fish in the smaller tank will be 5/7 of the number of fish in the large, tank. Given that there are 35 fish in the smaller tank originally, find the number of fish ...

*September 4, 2016 by Waqas*

**math**

Mary has two tanks of fish. If she transfers 15 fish from the larger tank to the smaller tank then the number of fish in the smaller tank will be 5/7 of the number of fish in the large, tank. Given that there are 35 fish in the smaller tank originally, find the number of fish ...

*September 5, 2016 by Kate*

**math**

how many teaspoons would you have to fill and pour into a 1 Liter bottle to fill it up?

*February 3, 2011 by Anonymous*

**Science 8R - Homework Qs. Check**

If an object has mass of 70.5g and a volume of 64 cm(3), what is its Density? Will it sink or float and why? Answer - The Density of this object is 4512g/cm(3). It will sink because the amount of grams is a lot. Is the answer correct and good???? I multiplied 70.5 and 64 in ...

*October 15, 2012 by Laruen*

**algebra**

Four friends together earned 128 mowing lawns. After paying an amount g for gasoline, they shared the money equally. Which equation shows the amount of each friend will receive? A. f(g) = 128 - g/4 B. f(g) = 128/4-g C. f(g) = 128-g/4 D. f(g) = 128-g-4

*March 4, 2012 by Jim*

**Calculus Applied Integrals**

A cylindrical tank of 22.1m high with radius 12.2m is filled to 10m high with water. How much work must be done to pump all the water out of the tank? (density of water is 1000\ kg/m^3) I used similar triangles somewhere in my calculations to find the answer, but I'm not sure ...

*March 24, 2016 by Isabella*

**math help**

Brand x cost $1.56 for 12 ounces. Brand y cost 2 ¢ more per ounce. What is The cost of 15 ounce of brand y

*January 24, 2013 by marie*

**Chemistry 2**

In a study designed to prepare new gasoline resistant coatings, a polymer chemist dissolves 6.053g of poly in enough water to make 100.0 mL of solution. At 25C, the osmotic pressure of this solution is 0.272 atm. What is the molar mass of the polymer sample?

*March 26, 2010 by Mike*

**physics**

Find the heat flux due to radiation from a gasoline pool fire whose flame is 3 m tall with a 1 m diameter, and it is 3.5 m away from a target fuel. Assume e = 0.98 with a flame temperature of 1,300 K. Solve this problem by determining the configuration factor and assume a ...

*November 4, 2012 by doris*

**physics 2**

a certain 12v storage battery with an internal resistance of 12 ohms delivers 80 A when used to crank a gasoline engine. if the battery mass is 20 kg and it has average specific heat of 0.2 kcal/kg K. what is its rise in temperaure during 1 min of cranking the engine. assume ...

*February 20, 2014 by Anne*

**science**

Which object exerts more gravitational force, object A with a mass of 25 grams and a density of 2 g/cm3 or object B with a mass of 55 grams and a density of 0.5 g/cm3?

*January 7, 2011 by sharika*

**Physics**

Which object exerts more gravitational force, object A with a mass of 25 grams and a density of 2 g/cm3 or object B with a mass of 55 grams and a density of 0.5 g/cm3?

*March 24, 2011 by Alexis Alexander*

**Chemistry**

1. A piece of rectangular wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a mass of 80.0 grams. What is the density of the wood? Would the piece of wood float in water? 2. I threw a plastic ball in the pool for my dog to fetch. The mass of the ball was 125g. What must the ...

*July 8, 2013 by Perrie*

**math.. again!**

write each increase or decrease as a percent. the price of gasoline rose from 97.5/L to 101.4/L. Percent increase= i did: 101.4 - 97.5 101.4 x 0.0390 = 3.9% is this right?? im not really sure how to do this.sorry for all these questions.

*November 1, 2008 by jazz*

**strength of materials**

a water tank is 10 m in diameter and 16m high. if the tank is to be completely filled, determine the minimum thickness of the tank plating if the stress is limited to 60 MPa

*December 11, 2014 by Anne*

**math**

A cyclinder cooling tank has an outside diameter of 6.00 ft. the wall on all sides are 5.00in thick and the tank is 10.0ft tall. how many gallons of water will this tank hold?

*November 12, 2015 by william*

**math**

A cyclinder cooling tank has an outside diameter of 6.00 ft. the wall on all sides are 5.00in thick and the tank is 10.0ft tall. how many gallons of water will this tank hold?

*November 13, 2015 by william*

**math**

A cyclinder cooling tank has an outside diameter of 6.00 ft. the wall on all sides are 5.00in thick and the tank is 10.0ft tall. how many gallons of water will this tank hold?

*November 14, 2015 by will*

**statistics**

It is estimated that amounts of money spent on gasoline by customers at their gas stations follows a normal distribution witha standard deviation of $3. It was also found that 10% of all customers spent more than $25. What percentage of customers spent less than $20.

*February 16, 2012 by Anonymous*

**math please help**

Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard deviation of 4.5 mpg. Find the range of mileage for the middle 60% of compact cars. I have no idea how to do this with the percent.

*November 17, 2014 by sarah*

**CHEM**

Many home barbeques are fueled with propane gas C3H8. What mass of carbon dioxide (in kg) is produced upon the complete combustion of 18.9L of propane (approximate contents of one 5-gallon tank)? Assume that the density of the liquid propane in the tank is 0.621g/ml. How do I ...

*October 14, 2007 by K*

**statistics**

If the mean value of the weight of a particular brand of dog food is 20.6 lb and the standard deviation is 1.3, assume a normal distribution and calculate the amount of product that falls below the lower specification value of 19.7 lb

*December 21, 2015 by sam*

**economics Need help immediatly**

Inflation doesn't reduce purchasing power if ______. price of essential products, such as food and gasoline, don't increase too much it causes an increase in nominal wages it remains under 10% per year the Federal Reserve increases the money supply enough to offset it

*June 20, 2008 by carrie*

**chemistry**

A helium-filled balloon of the type used in long-distance flying contains 420,000 ft3 (1.2 times 107 L) of helium. Suppose you fill the balloon with helium on the ground, where the pressure is 737 mm Hg and the temperature is 16.0 °C. When the balloon ascends to a height of 2...

*March 30, 2007 by Helpme*

**math **

A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 6% vinegar, and the second brand contains 11% vinegar. The chef wants to make 250 milliliters of a dressing that is 9% vinegar. How much of each brand should she use?

*February 26, 2017 by Anonymous*

**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*

**Hydrology**

A square liquid storage tank has plan-view dimensions (looking down from above) of 10m x 10m. Over a one day period, 300m^3 of liquid enters the tank, and the level of the tank rises 2 meters. How much liquid has left the tank? How do I set this up?

*November 21, 2012 by LeeLee*

**Physics**

A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternative to batteries in electric ...

*November 3, 2012 by StressedStudent*

**problem solving**

Suppose your car gets 36 miles per gallon of gasoline, and you are driving 45 miles per hour. Using unit analysis, find the number of hours it takes to use 1 gallon of gas. I got 48 minutes but I'm not sure.

*December 8, 2012 by ben*

**Chemistry**

You pass a road sign saying "New York 112 km." If you drive at a constant speed of 65 mi/h, how long should it take you to reach New York? If your car gets 28 miles to the gallon, how many liters of gasoline are necessary to travel 112 km?

*July 18, 2015 by Chen*

**math**

how much work does it take to pump water from a full upright tank circular cylindrical tank with radius 5m and a height of 10m to a level of 4m above the top of the tank

*August 19, 2016 by Antony*

**Math! Help! Help! Help!**

Hello a compound with: density of: .80 g/cm^(3) volume of: 1ML what is the mass? How do you conver this? mass = volume x density solve for mass volume = 1 mL = 1 cc = 1 cm^3 density = 0.8 g/cc plug and chug Post your work if you don't understand this and tell us exactly what ...

*January 31, 2007 by Amber*

**Boolean expression Help asap PLEASE**

A control system is needed to alert an attendant for the following situation. Which of the following is the Boolean equation expressing the electronics you would need? Either the tank is filled and the pump is on, or the tank is empty. (Use A = tank filled, B = pump on, X = ...

*June 19, 2013 by Adam*

**PHYSICS URGENT DUE IN 15 MINUTES**

The figure below (a) shows a sphere with a radius of r = 157 mm (density ñ = 1.24 g/cm³) suspended in water by a string. The ball is completely submerged in the water and the string is attached from the bottom of the water tank to the bottom of the sphere. What is the ...

*March 24, 2011 by Anonymous*

**Chemistry**

Compound A reacts with element B (a halogen) to form compounds C and D as the only products. When 2.000 grams of B react with an excess of sodium metal 2.363 grams of the sodium halide are formed. Compound A is a volatile liquid at room temperature with a density of 0.8800g/ml...

*April 17, 2011 by Patrick*

**chem**

500-g of hg (density=13.55-g/ml) poured into a 100-ml graduated cylinder, how much water would have to be added to fill the cylinder up to 100-ml mark?

*September 10, 2015 by rey*

**geo**

George and phil were playing with their fish tank again. they had a difficult time keeping their fish tank is 100 cm long, 60 cm wide and 40 cm high. they tilted the tank resting on a 60 cm edge, with the water level reaching the midpoint of the base. when they rest the tank ...

*December 7, 2006 by Jen*

**statistics**

If the mean value of the weight of a particular brand of dog food is 20.6 lb and the standard deviation is 1.3, assume a normal distribution and calculate the amount of product produced that falls below the lower specification value of 19.7 lb.

*February 9, 2012 by tonja*

**Math**

If a car averages about 22 1/2 miles per gallon , and the capacity of the tank is 16 1/4 gallons, how many miles would be expected on a tank of gas?

*February 9, 2008 by Mike*

**Math**

If a car averages about 22 1/2 miles per gallon , and the capacity of the tank is 16 1/4 gallons, how many miles would be expected on a tank of gas?

*February 11, 2008 by Mike*

**chem-- delta H**

In your search for fuel to use after the reserves of gasoline dry up, you decided to analyze different compounds (2 hydrocarbons & an alcohol) by combustion. You independently combust methane (CH4), ethane (CH3CH3), and ethanol (CH3CH2OH) at 298 K and 1 atm. What is the delta ...

*October 23, 2013 by Emma*

**maths**

a hemispherical tank full of water is emptied by a pipe at the rate of 25/7 litres/second.How much time will it take to make the tank half empty,if the tank is 3 metres in diameter?

*January 13, 2015 by shilpi*

**Chemistry (Orbital help needed)**

I just want to make sure I'm doing this right... (Numbers in brackets are the square roots or electrons) "How many orbitals are completely filled in an atom that has 12 electrons? The electron configuration is 1s[2]2s[2]2p[6]3s[2]?" It would be 2 right? I'm thinking it takes 1...

*October 22, 2008 by Robert*

**Chemistry**

How can you solve for a derived unit involving density? I don't know what you mean. Density is a derived unit, no mater what the units used are. Do you have an example of what you are doing? Yes. What is the mass of a sample of material that has a volume of 55.1 cm^3 and a ...

*January 18, 2007 by Whitney*

**math**

A pet store can hold 14 fish in a tank .how many tank would be need for 342 fish ?

*November 8, 2016 by dejae*

**math**

Suppose the weekly use of gasoline for motor travel by adults in North America is approximately normally distributed, with a mean of 14 gallons and a standard deviation of 6 gallons. What proportion of adults use more than 18 gallons per week?

*April 16, 2012 by Eliza*

**Statistics**

A survey of 100 mayonnaise purchasers showed that 65 were loyal to one brand. For 100 bath soap purchasers, only 53 were loyal to one brand. a) Perform a two-tailed test comparing the proportion of brand-loyal customers at á=.05.b) Form a confidence interval for the ...

*September 19, 2010 by Kim*

**Economics - Demand: Multiple Choice**

A switch on the part of the public from large cars to smaller cars should cause the demand curve for gasoline to tend _______________. a) not be affected b) shift to the right c) rise d) both b and c e) shift to the left I'm confused by this question because I'm not sure if ...

*March 5, 2008 by Anonymous*

**physics**

I'm having a really hard time with this physics problem...not really sure where to begin or which equation to use....please help: You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, where the acceleration due to gravity is 3.71 ...

*January 29, 2010 by Nikki*

**physics**

a metal tank with a volume of 3.10 L will burst if the absolute pressure of the gas exceeds 100 atm. If 11 mol of an ideal gas is put into the tank at a temperature of 23.0 C, to what temperature can the gas be warmed before the tank ruptures? Neglect the thermal expansion of ...

*November 19, 2009 by sarah*

**physics**

A theoretical gasoline engine runs with 76 percent efficiency. It is calculated that it expels 3.25*10^4 J of heat. a. Find the heat absorbed in one cycle. b. Find the work output in one cycle.

*March 17, 2007 by anonymous*