Sunday

April 20, 2014

April 20, 2014

Number of results: 872

**chemistry**

if a coin with 3.0 cm diameter, 0.2 cm thickness weighs 10.377g, what are its volume and density?
*Monday, January 27, 2014 at 8:25pm by Anonymous*

**chemistry**

volume = pi*r^2*thickness. density = mass/volume.
*Monday, January 27, 2014 at 8:25pm by DrBob222*

**Engineering**

You have two balloons, one large (30 cm in diameter) and one small (15 cm in diameter) filled with helium. Both balloons are made of the same material (latex) and have the same unfilled material thickness (2 mm) and have a 3 cm diameter. You release both balloons at sea level ...
*Tuesday, August 21, 2012 at 8:38pm by bobby*

**english**

What about this Subatomic physics is filled with strange and marvelous particles: tiny bodies of matter that shiver, wobble, pulse, and flatten to no thickness at all.
*Thursday, June 10, 2010 at 5:09pm by Roger*

**math**

full shelf length = book thickness x number of books 24 inch = (3/4 inch) N Solve for N
*Friday, October 17, 2008 at 12:04am by drwls*

**algebra1**

How thick is the paper? Thickness(2)^n = 1454 feet (That must be one super-big piece of paper!)
*Thursday, May 6, 2010 at 11:10pm by PsyDAG*

**physics **

Find the diameter of a gold coin that has a weight of 1.00 (troy) oz and a thickness of 3.00 mm.
*Thursday, May 31, 2012 at 7:22pm by james*

**math **

please explain in deatail- a tube has a outside diameter of 2" and wall thickness of 3/16". what is the inside diameter?
*Sunday, August 11, 2013 at 7:47pm by jay *

**Math**

Yes. What kind of button? What is the approximate size and thickness? See (Broken Link Removed) for typical button sizes.
*Monday, May 24, 2010 at 12:55am by drwls*

**physics**

k = 1.05 W/(m C) l = 6*10^-3 m (Th - Tc) = 27 C A = 3.50 m^2 Do the numbers again. You should not get 13 (Watts) It is much more than that. Did you remember to express the thickness l in meters? What did you use for k ?
*Sunday, October 19, 2008 at 12:53am by drwls*

**physics**

thickness of dollar bill=(63E-6)*1.5m numberbills=stackheight/thickeness one = .08m/(1.5*63E-6)m= you do it. I get less than 900
*Thursday, January 20, 2011 at 9:58pm by bobpursley*

**chemistry**

Assuming the Mg strip (I suppose that's what it is) doesn't vary in thickness along its length it is 1.02g x (1.5 cm/100 cm) = ? grams.
*Sunday, April 8, 2012 at 5:30pm by DrBob222*

**math**

A cylinder can held 105 Liters of milk a) ignoring the thickness of the material calculate the volume of the cylinder in cm(cube).
*Friday, March 21, 2014 at 9:16pm by santoniann*

**Medical Coding**

What is the ICD-9 Code for full-thickness defect, skin of right alar. The patient has a history of malignant skin neoplasms?
*Thursday, November 22, 2007 at 9:07am by Robert*

**Physics**

The average speed of the bullet passing through is (1/2)(350 + 210) = 280 m/s. Divide the thickness (4*10^-2 m) by that speed to get the travel time.
*Thursday, September 3, 2009 at 9:56pm by drwls*

**physics**

One gallon of paint (3.79 Liters) covers an area of 25.8 m2. What is the thickness (in mm) of the fresh paint on the wall.
*Thursday, August 30, 2012 at 7:04pm by anita*

**Math**

consider each shelf as a small solid with width and depth and thickness. Then you can figure its volume and subtract it from the inside volume of the stationery cabinet.
*Wednesday, July 24, 2013 at 2:05pm by Steve*

**english **

on this sentence, i've having a hard time Subatomic physics is filled with strange and marvelous particles, tiny bodies of matter that shiver, wobble, pulse, and flatten to no thickness at all
*Tuesday, February 16, 2010 at 5:20pm by tash*

**science project**

I suggest you pour a cup of water on each of these fabrics and see which ones absorb the water. The problem, though, is what thickness or weight of cloth to use.
*Monday, November 26, 2007 at 8:04pm by Ms. Sue*

**Math**

You need to know the thickness of the concrete canal walls, which should have been specified. Then you can compute the cubic yards of concrete required. The rest is easy.
*Sunday, February 7, 2010 at 2:16pm by drwls*

**Pre-AP Chemistry**

What method would be used to determine the thickness of an oil spill? What information would be needed? Please be specific. I need help FAST
*Thursday, October 7, 2010 at 10:03pm by Anonymous*

**physics**

A flexible metal sheet of length 6.0cm, breadth 5.00cm and the average thickness of 0.883cm has a mass of 23.00g. calculate the density of the metal
*Thursday, October 18, 2012 at 1:23am by betty*

**physics**

How would you calculate the diameter of an oil molecule.A droplet of oil of given volume (cm cubed)is dropped onto a surface of water and spreads to fill area (cm square).The thickness of water is equal to the diameter of the molecule.Is there a formula to used to find this ...
*Sunday, February 18, 2007 at 6:11am by mo.*

**physics**

Heat=massice*cice*(4.1)+massice*Hfice massice=volumeice*densityice=area*thickness*density.
*Monday, April 26, 2010 at 12:16am by bobpursley*

**Physical Science**

Which of the following would reduce the resistance of a metal wire? A. increasing its thickness B. increasing its temperature C. increasing its length
*Wednesday, July 17, 2013 at 1:31pm by Lanny*

**math**

Is this stump the teacher? There are standard distances for flanged elbows measured from center line, and in fact, the distances vary by type of elbow and thickness (pressure rating). Of course, you know that.
*Saturday, August 25, 2007 at 2:28pm by bobpursley*

**science**

the observed differene in density between continental crust and oceanic crust is most likely due to differences in their a. composition b. thickness b.porosity d. rate of cooling
*Wednesday, March 4, 2009 at 9:13pm by Angie*

**chemistry**

If a 190 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3 x 1.0 ft, what is the average thickness of the sheet in meters?
*Wednesday, March 2, 2011 at 2:00am by Jen*

**Physics**

A 2.0-cm thich bar of soap is floating on a water surface so that 1.5 cm of the bar is under water. Bath oil of specific gravity 0.60 is poured into the water and floats on top of it. What is the depth of the oil layer when the top of the soap is just level with the upper ...
*Wednesday, November 10, 2010 at 11:54pm by Daniel*

**Physics**

A 2.0-cm thich bar of soap is floating on a water surface so that 1.5 cm of the bar is under water. Bath oil of specific gravity 0.60 is poured into the water and floats on top of it. What is the depth of the oil layer when the top of the soap is just level with the upper ...
*Wednesday, November 10, 2010 at 11:55pm by Daniel*

**Calculus AB**

Can you double check if there is a typo on the first function x=y^2 => y=sqrt(x), ...(case 1) or is it y=x^2 => x=sqrt(y).... (case 2) In any case, the procedure is the same. I will work out the problem where y=x² (case 2). Let f1(x)=3x (line), and f2(x)=x² (...
*Tuesday, March 8, 2011 at 1:10pm by MathMate*

**maths**

A rectangle is of length 8 inches, breath 11 inches and thickness 2 inches. When it is shaped to a cylindrical rod with the diameter is 10m. What is the height of the cylinder?
*Monday, September 2, 2013 at 10:26am by Anonymous*

**physics**

The deltaTemp is (35-0)C. Q=Area/Thickness*Heatconductivity*deltaTemp For styrofoam, assume about .03Joules/(sec*m*C) Solve for q,the amount of heat. Now, finally a= massice*Lf
*Tuesday, February 12, 2008 at 9:16pm by bobpursley*

**physics**

The engineer of a Russian nuclear submarine lurking under the Arctic Sea reports an outside pressure of 35 ATM. How deep is the submarine? Neglect ice thickness.
*Thursday, September 30, 2010 at 11:25am by doug*

**Physics**

A uniform rectangular sign of width 51.6 cm, height 25.2 cm, and negligible thickness hangs vertically from supporting hinges attached at its upper edge.
*Tuesday, April 24, 2012 at 5:19pm by Dev*

**Physic**

One gallon of paint (3.79 Liters) covers an area of 26.0 m2. What is the thickness (in mm) of the fresh paint on the wall. Please help, I have no idea where to start thank you!
*Saturday, August 25, 2012 at 3:38pm by Kenny*

**physics, I'm stuck**

It takes a flea 1.0x10â€“3 s to reach a peak speed of 0.74 m/s. (a) If the mass of the flea is 0.45x10â€“6 kg, what is the average power required? (b) Insect muscle has a maximum output of 60 W/kg. If 20% of the fleaâ€™s weight is muscle, can the muscle provide the power ...
*Wednesday, February 2, 2011 at 7:21pm by trace*

**Algebra & Trigonometry**

A slice of thickness 1 cm is cut off from one side of a cube. If the volume of the remaining figure is 180 cubic centimeter, how ling is the edge of the original cube
*Sunday, September 25, 2011 at 5:35pm by Ruth Joy*

**Physics**

What is the rotational inertia of a solid iron disk of mass 45 kg, with a thickness of 3.44 cm and radius of 19.0 cm, about an axis through its center and perpendicular to it?
*Sunday, November 13, 2011 at 3:54pm by Anonymous*

**Physics**

Two parallel plates are separated by a dielectric of thickness 2 mm with a dielectric constant of 6. If the area of each plate is 40 cm^2 and the potential difference between them is 1.5 kV, determine (a) the capacitance
*Sunday, April 7, 2013 at 3:07pm by Miguel*

**Physics**

Thanks drwls. I'm having trouble with part b though. What is R? For the appropriate mass, am I suppose to use the density times the thickness to get the mass of the sail and with that, add the mass from payload?
*Friday, March 11, 2011 at 3:03pm by Daniel*

**math**

C = 2πr = 31.4 Solve for r in terms of π. V = (4πr^3)/3 Insert values to find volume (V). Of course, there will be some small error, because you are not subtracting the thickness of the ball material.
*Tuesday, February 5, 2013 at 9:54pm by PsyDAG*

**math/chem**

if the thickness is x cm, then since density = mass/volume, and 1ml = 1cm^3, 2.70 g/cm^3 = (2.22 g) / (25x cm^3) Now just solve for x.
*Friday, September 27, 2013 at 10:40pm by Steve*

**physics**

mass= density*volume= density*thickness*PI*radius squared. solve for diameter (twice radius)
*Thursday, May 31, 2012 at 7:22pm by bobpursley*

**science**

a piece of styrofoam has a density of 30kg/m3 and a mass of 3.6kg. if the piece of styrofoam has a lenght of 1.2m and a width of 1.0 what is its thickness
*Wednesday, December 12, 2012 at 10:11pm by Waheeda*

**chemistry - incomplete**

so much unspecified: dimensions of rod? thickness of ice? density of ice? dimensions of beaker?
*Friday, June 28, 2013 at 6:19am by Steve*

**physics**

oh ok sir thank you. The thickness of the probe in the direction of B is 2.00 mm. Find the density of the charge carriers, each of which has charge of magnitude e). thank you again sir
*Tuesday, April 5, 2011 at 10:01pm by Rachel*

**Math**

Brad is building shelves for his mom. Each shelf will be 1/2 inch think with a 1/8 inch veneer glued on top. What is the total thickness of the shelf 5/8?
*Wednesday, October 24, 2012 at 5:14pm by Jerald*

**Chemistry**

Need more information: 1. average thickness of penny 2. distance from earth to sun 3. you need to understand avogadros number. (6.0221415 × 10^23) Then it becomes a simple math problem.
*Wednesday, February 6, 2008 at 10:41pm by Anonymous*

**calculus**

Find the dimensions of the largest open-top storage bin with a square base and vertical sides that can be made from 108ft^2 of sheet steel. (Neglect the thickness of the steel and assume that there is no waste)
*Saturday, January 3, 2009 at 4:25pm by Barbara*

**science**

A spill this size requires a report to your state Hazmat team. area*thickness*density= massHg PI(67.2/2)^2*T*13.6g/cm^3= 5lb*435.6g solve for T
*Tuesday, September 6, 2011 at 7:57pm by bobpursley*

**physics**

A glass window pane has an area of 3.00 m2 and a thickness of 0.600 cm. If the temperature difference between its faces is 25.0°C, what is the rate of energy transfer by conduction through the window.
*Thursday, January 30, 2014 at 8:40pm by Brody*

**FLUID MECHANICS**

What about the weight of the plate? Is the fluid moving? Does the plate have thickness (and therefore buoyancy)? A better description of the situation is needed.
*Friday, November 18, 2011 at 7:00pm by drwls*

**Chemistry**

The density of aluminum is . A square piece of aluminum foil, 20.02 on a side is found to weigh 2.573 .What is the thickness of the foil, in millimeters?
*Saturday, February 2, 2013 at 4:27pm by Lisa *

**chemical calculations**

I would change all of the dimensions to cm, then volume = length x width x thickness = volume in cc. Density = grams/cc
*Sunday, February 2, 2014 at 11:23pm by DrBob222*

**Chemistry Stoichiometry**

Step 1. Write and balance the equation. Sn + O2 ==> SnO2 Step 2. How much Sn do you have? You can find the volume (length x width x thickness but change the thickness of 0.60 mm tp 0.060 cm so that all of the units will be the same). Now you know mass = volume x density. ...
*Friday, May 29, 2009 at 1:40pm by DrBob222*

**maths**

Find the mass of a hollow sphere of lead,with external diameter 10 cm and thickness 2 mm,if 1 cm^3 of lead weighs 11.4 gm.
*Wednesday, December 26, 2012 at 6:47am by Anonymous*

**science**

Assuming that the cylinder is fixed at both ends and that its wall thickness is 7.5 mm, what force would be exerted by the cylinder during this change in temperature? (Note: the Young’s modulus for aluminium is 70 GPa.)
*Thursday, July 5, 2012 at 7:34am by emy*

**Physics**

0.747 gallons * (1 ft^3)/(7.48 gallons) *(0.3048 m/ft)^3 = ___ m^3 b) the volume in m^3 equals the area coverage {in m^2} times the paint coating thickness, in meters.
*Thursday, September 23, 2010 at 9:40pm by drwls*

**physics**

Avg force * thickness = work done by bullet = kinetic energy loss Avg. force = 0.015 kg*(1/2)*(300^2 - 90^2](m^2/s^2)/0.02 m = 3.07^10^4 N
*Sunday, February 19, 2012 at 4:44am by drwls*

**tools**

What is the major difference between a high-speed and a high-torque drill? A. Chuck type B. Line cord gage C. Output speed D. Brush thickness
*Friday, August 24, 2012 at 1:07pm by michael*

**Chemistry**

The density of aluminum is 2.70 g/cm^3. A square piece of aluminum foil, 20.02 on a side is found to weigh 2.573g. What is the thickness of the foil, in millimeters?
*Saturday, February 2, 2013 at 4:27pm by Lisa *

**Algebra**

A sheet of aluminum (Al) foil has a total area of 2.119 ft2 and a mass of 2.714 g. What is the thickness of the foil in millimeters? (Density of Al = 2.699 g/cm3?
*Wednesday, September 4, 2013 at 6:33pm by MissSixx*

**Math**

Using a metric micrometer caliper to measure the thickness of a plate, we found that graduation line 4 is visible on the sleeve, one additional 0.5 mm is visible in the sleeve, line 4 on the thimble coincides with the reading line on the sleeve. What is the measured thickness ...
*Sunday, September 16, 2007 at 10:53pm by Mary*

**physics**

E = (deltaV)/(thickness) = 80*10^-3/8.8*10^-9 (V/m) = 9.1*10^6 V/m
*Sunday, February 10, 2013 at 10:36pm by drwls*

**calculus**

An oil can is to have a volume 1000in^3 and is to be shaped like a sylinder with a flat bottom but capped by a hemisphere. Neglect the thickness of the material of the can and find the dimensions that will minimize the total amount of material needed to construct it.
*Saturday, November 5, 2011 at 6:24pm by Barbara*

**Math / Fractions**

Benjamin and Olivia are putting a new floor in their kitchen. To get the floor up to the desired height, they need to add 1 ft of subfloor. They can do this in one of two ways. They can put -in. sheet on top of -in. board (note that the total would be ft or 1 ft). They could ...
*Saturday, September 6, 2008 at 6:10am by lifeontwofeet*

**math**

I don't see how a ring can be a cylinder. If it is a cylinder bent into a circular ring, then the thickness should equal half the distance between inner and outer diameters, but it doesn't here.
*Monday, April 14, 2008 at 10:26am by drwls*

**physics 1**

Antarctica is roughly semicircular, with a radius of 2000km. The average thickness of its ice cover is 3000m. How many cubic cm of ice does Antarctica contain? (Ignore the curvature of Earth).
*Sunday, August 22, 2010 at 1:30am by Anonymous*

**Chemistry**

A square of aluminum foil measuring 3.20 inches on each side weighs 275 mg. The density of aluminum is 2.70 g/cm3. Find the thickness (in micrometers) of the foil.
*Friday, February 11, 2011 at 1:36pm by Katie*

**Math**

Assuming zero thickness for the belt, grain and accompanying hardware, the height of the top of the opening is hi = 9*sin20° = 3.078m So, the height at 5° is lo = 9*sin5° = 0.784m hi-lo = 2.294m
*Sunday, May 27, 2012 at 3:56pm by Steve*

**Geometry**

What is the thickness of the pipe, whose diameter is 4 cm and inner diameter is 3.2 cm?
*Friday, October 18, 2013 at 1:47pm by Anonymous*

**physics 4**!!**

Consider a double-paned window consisting of two panes of glass, each with a thickness of 0.500 cm and an area of 0.880 m2, separated by a layer of air with a thickness of 1.90 cm. The temperature on one side of the window is 0.00°C; the temperature on the other side is 20.0°C...
*Thursday, December 4, 2008 at 11:56pm by kelsey*

**Physics**

A puddle of water (n = 1.33) is covered with a very thin layer of light oil (n = 1.20). What is the minimum thickness the oil in the region that does not reflect light with a wavelength of 550 nm?
*Saturday, November 13, 2010 at 10:02pm by Jessica*

**physics**

First of all, do the conversion 97 km/h = 26.9 m/s If deceleration occurs over a distance X (the "barrier thickness") Vo = sqrt(2 a X) ; therefore X = Vo^2/(2 a) = (26.9)^2/(2*300) = 1.21 m
*Tuesday, January 17, 2012 at 7:11pm by drwls*

**Statistics**

Native American pot shards discovered i a hpoi villiageare approximately normally distributed with a mean of 5.1 millimeters and a standard deviationof 0.9mm what is the probability that the thickness is (a)less than 3.0mm (b) more than 7.0 and (c) between 3.omm and 7.0mm
*Monday, June 14, 2010 at 2:25pm by John*

**Statistics**

Native American pot shards discovered in a hopi villiage are approximately normally distributed with a mean of 5.1 millimeters and a standard deviationof 0.9mm what is the probability that the thickness is (a)less than 3.0mm (b) more than 7.0 and (c) between 3.omm and 7.0mm
*Monday, June 14, 2010 at 9:24pm by John*

**physics**

A narrow beam of light passes through a plate of glass with thickness 1.4 cm and a refractive index 1.55. The beam enters from air at an angle 23.5 . The goal is to calculate the deviation d of the ray as indicated in the figure.
*Tuesday, January 15, 2013 at 8:50pm by cece*

**Physics**

5. The surface of a glass plate (index of refraction n3 = 1.50) is coated with a transparent thin film (index of refraction n2 = 1.25). A beam of monochromatic light of wavelength 6.0 X 10^-7 meter traveling in air (index of refraction n1 = 1.00) is incident normally on ...
*Thursday, April 7, 2011 at 5:33pm by Anthony*

**victoria Ci**

We find an electric field of magnitude E = 1.2 x 107 V/m across a particular nerve membrane. The potential difference between the interior and exterior surface of the membrane is 65 mV. The thickness of the membrane is closest to
*Thursday, February 24, 2011 at 3:23pm by Crystal*

**Math**

A cylindrical tube is open at both ends.the internal diameter tube 10.4cm and its length is 25cm. If the thickness of the tube 8mm everywhere,find the total surface of area of the tube.
*Tuesday, February 5, 2013 at 12:41pm by Simon*

**Physics**

A wire of thickness d = 5 mm is tightly wound 200 times around a cylindrical core to form a solenoid. A current I = 0.1 A is sent through the wire. What is the magnetic field on the axis of the solenoid?
*Tuesday, March 5, 2013 at 7:25pm by April*

**electrical ? resistor**

Calculate R of a thin-film gold resistor:L = 1 mm, width = 0.2 mm, and thickness = 0.01 mm. I am not sure what formula to use for this?
*Monday, July 26, 2010 at 4:06pm by sam*

**Math**

A rectangle sheet of aluminum foilis 50 centimeters long and 20 centimeters wide, and weighs 5.4 grams. 6ind the thickness of the aluminum foil in centimeters.
*Tuesday, September 20, 2011 at 5:33pm by madelyn*

**Biology**

Skin color is the result of: A. the quality of melanin in the skin B. the number of macrophages C. the amount of fat in the epidermis D. stratum basale and the thickness of those cell. Cant really find any of those answers. Thanks for helping!
*Friday, December 3, 2010 at 3:09pm by Sarah*

**Geometry**

If the top of the paint container is made of plastic, how much plastic is used to make the top? Assume the thickness of the plastic is negligable. Round to the nearest square inch.
*Tuesday, May 29, 2012 at 11:26pm by Sholanda*

**Geometry**

If the top of the paint container is made of plastic, how much plastic is used to make the top? Assume the thickness of the plastic is negligable. Round to the nearest square inch.
*Tuesday, May 29, 2012 at 11:22pm by Sholanda*

**Calculus**

A cylindrical metal can is made to hold 500ml of soup. Determine the dimensions of the can that will minimize the amount of metal required(assume that the top and sides of the can are made from metal of the same thickness
*Friday, June 18, 2010 at 5:43pm by Adeola*

**Mathematics**

Assuming "thickness" means height in the usual sense of a cylinder, then volume = πr²h =π(17.1/2)²1.2 =275 cm³ approximately. (π=3.14)
*Wednesday, May 29, 2013 at 5:15pm by MathMate*

**Engineering**

Can someone please help me with this problem? In order to reduce the material cost, an engineer decides to use a hybrid beam instead of an all-carbon fiber beam. Both beams have the same overall dimensions with rectangular cross-sections. The hybrid beam contains carbon fibers...
*Tuesday, April 14, 2009 at 7:43pm by Jim*

**physics**

k*6L^2*(99.5 C)/d = Q = 3*10^6 J/86400 s Solve for k. You have to divide Q by the number of seconds in a day, to get k in Watts/meter degree C I used L = 0.35 m for the side length, and L^2 for the side area. There are six sides, hence the 6 d = the plate thickness (0.0300 m)
*Tuesday, February 12, 2008 at 9:58pm by drwls*

**Maths**

A Swiss Roll cake is 21cm long. When I cut it onto slices if I reduce the thickness of each slice by 1/4cm. Taking x as the number of thicker slices, write down an equation in x and solve. I just dont undertsand how to form the question.
*Monday, January 10, 2011 at 12:35pm by Remy*

**Physics**

The temperature difference in and outside an electric oven is 150oC glass fitted on the door has thickness and area of 0.2cm and 300cm2 respectively. if thermal conductivity of glass is 0.84Js-1m-1K-1 then how much heat will be lost in one minute?
*Monday, May 2, 2011 at 10:09pm by sam*

**Engineering C source code**

I am not exactly sure what directives I should use. I have the stdio.h and have defined pi. Also I am not sure of the correct terms to float such as the inner and outer diameter and the thickness.
*Wednesday, September 16, 2009 at 1:07am by Z32*

**chemistry**

For corrosion resistance, a steel bolt is plated with nickel from a solution of nickel(II)sulfate. If 0.250 g of nickel produces a plating of the required thickness and a current of 0.540 A is used, predict how long in minutes the process will take
*Sunday, April 20, 2008 at 12:22am by Alex*

**Calculus**

The strength of a beam with rectangular corss-section is directly proportional to the product of the width and the square of the depth (thickness from the top to bottom of the beam). Find the shape of the strongest beam that can be cut from a cylindrical log of diameter d= 3 ft
*Saturday, March 10, 2012 at 1:40pm by Candy*

**Calculus**

The strength of a beam with rectangular corss-section is directly proportional to the product of the width and the square of the depth (thickness from the top to bottom of the beam). Find the shape of the strongest beam that can be cut from a cylindrical log of diameter d= 3 ft
*Saturday, May 5, 2012 at 2:03pm by Liz*

**Mechanics of Materials**

the propane gas tank has an inner diameter of 1500mm and wall thickness of 15mm. If the wall is pressurized to 2MPa, determine the absolute maximum shear stress in the wall of tank.
*Tuesday, December 11, 2012 at 4:21am by andy*

**civil engineering**

the propane gas tank has an inner diameter of 1500mm and wall thickness of 15mm. If the wall is pressurized to 2MPa, determine the absolute maximum shear stress in the wall of tank.
*Tuesday, December 11, 2012 at 7:33am by andyy*

**PHYSICS**

As you eat ur way thru a bag of cookies, you observe each cookie is a circular disk of diamter 8.50+ or - 0.02 cm and thickness 0.050+ or - 0.005cm. Find the avg volume of a cookie and the uncertainty in the volume.
*Thursday, September 10, 2009 at 11:32pm by RAYMOND*

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