Thursday

April 24, 2014

April 24, 2014

Number of results: 10,483

**Writing/BME**

Strength is defined as the amount of stress a material can withstand before fracturing. Therefore, the more strength a material has, the more durable it is. Thus, a toric lens should be constructed from a material with high strength. Every time I read this to myself, it sounds...
*Thursday, June 28, 2012 at 10:08pm by James*

**Physics**

Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric field is called dielectric strength. The dielectric strength for ...
*Saturday, March 6, 2010 at 8:53am by Susie*

**Physics**

I don't know how to approach this question... Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric field is called ...
*Thursday, March 4, 2010 at 4:51am by Sandra*

**physics**

Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric field is called dielectric strength. The dielectric strength for a...
*Sunday, March 7, 2010 at 3:39pm by lauren*

**statistics**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 170 and a variance of 4. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece ...
*Thursday, August 25, 2011 at 9:52pm by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 4. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece ...
*Friday, March 9, 2012 at 9:46pm by Anonymous*

**MATH**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece ...
*Sunday, June 3, 2012 at 3:11pm by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 4. The material is considered defective if the breaking strength is less than 168 pounds. What is the probability that a single, randomly selected piece ...
*Monday, August 27, 2012 at 8:16pm by dawn*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 173 and a variance of 9. The material is considered defective if the breaking strength is less than 167 pounds. What is the probability that a single, randomly selected piece ...
*Friday, December 21, 2012 at 12:37pm by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 145 and a variance of 25. The material is considered defective if the breaking strength is less than 134.5 pounds. What is the probability that a single, randomly selected ...
*Sunday, March 17, 2013 at 10:09am by buffy*

**Algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 195 and a variance of 4. The material is considered defective if the breaking strength is less than 190.2 pounds. What is the probability that a single, randomly selected piece...
*Thursday, March 6, 2014 at 7:07pm by Walden University*

**physics**

12. The ratio of the tensile (or compressive) strength to the density of a material is a measure of how strong the material is pound for pound. (a) Compare tendon (tensile strength 80.0 MPa, density 1100 kg/m3) with steel (tensile strength 0.50 GPa, density 7700 kg/m3): ...
*Monday, November 26, 2012 at 9:21am by mary*

**standard deviations**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece ...
*Sunday, December 4, 2011 at 9:21pm by Anonymous*

**Math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 170 and a variance of 4. The material is considered defective if the breaking strength is less than 164 pounds. What is the probability that a single, randomly selected piece ...
*Wednesday, August 24, 2011 at 3:42pm by Lee Ann*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 4. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece ...
*Wednesday, August 24, 2011 at 8:50pm by apryl*

**algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 166 and a variance of 4. The material is considered defective if the breaking strength is less than 160 pounds. What is the probability that a single, randomly selected piece ...
*Saturday, August 27, 2011 at 11:47pm by Anna Swain*

**alegbra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece ...
*Sunday, August 28, 2011 at 2:33pm by apryl*

**algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece ...
*Thursday, September 1, 2011 at 8:26pm by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*Tuesday, November 1, 2011 at 12:18am by Kristen*

**MATH**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 174 and a variance of 9. The material is considered defective if the breaking strength is less than 168 pounds. What is the probability that a single, randomly selected piece ...
*Sunday, December 11, 2011 at 2:39pm by mONIQUE*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 169 pounds. What is the probability that a single, randomly selected piece ...
*Wednesday, March 14, 2012 at 12:20am by ruth*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 173 and a variance of 9. The material is considered defective if the breaking strength is less than 164 pounds. What is the probability that a single, randomly selected piece ...
*Wednesday, August 29, 2012 at 4:59pm by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 158 pounds. What is the probability that a single, randomly selected piece ...
*Tuesday, September 11, 2012 at 9:30am by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece ...
*Sunday, December 2, 2012 at 11:41pm by jacque*

**Algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*Monday, December 3, 2012 at 9:49pm by Angela*

**Algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 4. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*Tuesday, December 4, 2012 at 7:29pm by Lost!!*

**algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 9. The material is considered defective if the breaking strength is less than 156 pounds. What is the probability that a single, randomly selected piece ...
*Thursday, December 6, 2012 at 2:25am by Anonymous*

**statistics**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 9. The material is considered defective if the breaking strength is less than 156 pounds. What is the probability that a single, randomly selected piece ...
*Thursday, December 6, 2012 at 2:27am by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 170 pounds. What is the probability that a single, randomly selected piece of...
*Sunday, March 10, 2013 at 11:17pm by Andrew*

**algebra/math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 169 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*Sunday, August 28, 2011 at 11:00am by Anonymous*

**Statistics**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 158 pounds. What is the probability that a single, randomly selected piece ...
*Thursday, September 13, 2012 at 9:48pm by Anonymous*

**statistics**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 135 and a variance of 16. The material is considered defective if the breaking strength is less than 126.2 pounds. What is the probability that a single, randomly selected ...
*Monday, December 16, 2013 at 9:39pm by Anonymous*

**science material**

. Calculate the following: a. the modulus of elasticity, b. the tensile strength, c. the fraction of the load carried by the fiber, for the following composite material stressed under isostrain conditions. The composite consists of a continuous glass‐fiber‐...
*Wednesday, May 30, 2012 at 1:09pm by ikmal help me urgent*

**Material Science**

1).Does more grain boundaries result in a higher ultimate tensile strength? 2).Does an increase in stiffness of a material result in a higher modulus?
*Tuesday, March 22, 2011 at 9:41pm by Jane*

**Chemistry**

xplain why the value of the band gap energy, Eg, decreases in the following homologous series: Cdiamond=5.4 eV; Si=1.1 eV; Ge=0.72eV; Sn=0.08 eV. As we move down the group, bond strength increases. As the strength increases, materials become more metallic in nature, since ...
*Friday, January 11, 2013 at 8:53am by Ankur*

**science material**

for the following composite material stressed under isostrain conditions. The composite consists of a continuous glass‐fiber‐reinforced‐epoxy resin produced by Using 60 percent by volume of E-glass fibers having a modulus of elasticity of Ef =7.24 〖10...
*Friday, June 1, 2012 at 3:24pm by syakir urgent*

**College Algebra**

The half-life of a radioactive material is about 34.6 years. How much of a 1-gram sample of the material is left after 30 years?
*Saturday, October 20, 2012 at 12:21am by Anonymous*

**ENGLISH**

You'll be alert, engrosed in the (14)material.And concentrated 100 percent. a) no change b) material, and c) material; and d) material and After reading it over and over, I think b) a comma after material would be the correct answer. I think this is a compound sentence, since ...
*Thursday, August 5, 2010 at 12:09am by nancy*

**physics**

Two capacitors, identical except for the dielectric material between their plates, are connected in parallel. One has a material with a material with a dielectric constant of 2, while the other has a material with a dielectric constant of 3. What is the dielectric constant ...
*Thursday, March 10, 2011 at 4:14pm by crystal*

**chemistry**

A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850 C. Sample A is soaked in NaCl and sample B is soaked in ...
*Wednesday, April 10, 2013 at 8:40am by Anonymous *

**chemistry**

A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850degreeC. Sample A is soaked in NaCl and sample B is ...
*Friday, April 12, 2013 at 6:36pm by adex*

**chemistry**

A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850 ∘C. Sample A is soaked in NaCl and sample B is ...
*Wednesday, April 10, 2013 at 8:54am by Din123*

**Chemistry**

A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850 ∘C. Sample A is soaked in NaCl and sample B is ...
*Wednesday, April 10, 2013 at 10:06am by Anonym*

**chemistry**

A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850 ∘C. Sample A is soaked in NaCl and sample B is ...
*Saturday, April 13, 2013 at 5:48am by s*

**Chemistry**

A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850∘C. Sample A is soaked in NaCl and sample B is ...
*Saturday, April 13, 2013 at 3:59pm by Alan*

**Physics**

The specific heat capacity of a material is 1200 J/(kgC). The temperature of 3.0 kg of this solid material is raised by 6.0C. Ignoring the work that corresponds to the small change in the volume of the material, determine the change in the internal energy of the material. ...
*Monday, April 16, 2007 at 11:25pm by Mary*

**college- strength of material**

i have initial and final gauge length and diameter and also have max load. Now i have to draw stress strain diagram. I know how to draw tht graph but i a not provided with failure load or yield load so i am not sure how to graph. We had performed experiment and data was given ...
*Thursday, August 19, 2010 at 6:50am by Nick*

**Math**

Androgel is available in 1% strength. A provider prescribed it for a patient but would like to minimize side effects by starting treatment at a lower 0.3% strength. How much androgel should be added to a base gel to prepare 15 g of the desired strength?
*Friday, July 6, 2012 at 4:56pm by Brittany*

**Statistics**

foofy computes the correlation between an individual's physical strength and his or her college grade poing average. Using a computer, the correlation for a sample of 2000 people is r(1998)=+.08, p=<.0001. she claims this is a useful tool for predicting which college ...
*Sunday, July 10, 2011 at 9:58am by K*

**Elasticity (Physics)**

A tunnel of length L=150m, height H=7.2m, and width w=5.8m (with a flat roof) is to be constructed at a distance d=60m beneath the ground. The tunnel roof is be entirely supported by square steel columns, each with a cross sectional area of 960 cm^2. The mass of 1.0 cm^3 of ...
*Wednesday, September 9, 2009 at 9:05pm by David*

**Math Help Please!!!!**

The breaking strengths (say, y) for one foot square samples of a particular synthetic fabric are approximately normally distributed with a mean of 2280 pounds per square inch and a standard deviation of 10.6 psi. a) find the probability of selecting a 1 foot square sample of ...
*Saturday, February 23, 2013 at 8:39pm by Taylor*

**Physics**

A tie bar is made of a material having a tensile strength of 231MPa and has to carry a load of 225kN. What is the diameter of the bar if a factor of safety of 7 is applied? Where do I begin?
*Friday, June 21, 2013 at 7:09pm by Danny*

**Physics**

A tie bar is made of a material having a tensile strength of 231MPa and has to carry a load of 225kN. What is the diameter of the bar if a factor of safety of 7 is applied? Where do I begin?
*Saturday, June 22, 2013 at 12:03pm by Danny*

**Physics (Stress & Stain)**

The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 6.000cm? ANS = kN (Round to 3 decimal place) Ultimate strength = 600.000MPa = 600000000Pa = 600 * 10^6 Factor...
*Friday, June 28, 2013 at 1:01pm by Danny*

**statistics**

In a sample of 100 steel wires the average breaking strength is 50 kN, with a standard deviation of 2 kN. a. Find a 95% confidence interval for the mean breaking strength of this type of wire. b. An engineer claims that the mean breaking strength is between 49.7 kN and 50.3 ...
*Saturday, October 29, 2011 at 2:18pm by Don't get it!! :(*

**Physics**

A sample of an unknown material appears to weigh 275 N in air and 160 N when immersed in alcohol of specific gravity 0.700. What is the volume of the material? What is the density of the material?
*Monday, October 28, 2013 at 11:54am by Caitlin*

**Socials**

How did work camps and tariffs effect the Great Depression? What were the strength and weaknesses of these effects? workcamp- strength - men got to work weakness - ?? tariffs strength - protected Canada's profit weakness - slowed down trade
*Sunday, February 1, 2009 at 11:01pm by Sh*

**Chem**

. State whether each of the following samples of matter is a gas. If there is not enough information for you to decide, write "insufficient information." (a) A material is in a steel tank at 100 atm pressure. When the tank is opened to the atmosphere, the material suddenly ...
*Friday, March 30, 2007 at 1:32am by Luis*

**Physics(Sress&Strain)**

The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 6.000cm? ANS = kN (Round to 3 decimal place) Ultimate strength = 600.000MPa = 600000000Pa = 600 * 10^6 Factor...
*Saturday, June 29, 2013 at 10:21am by Danny*

**Physics**

The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 6.000cm? ANS = kN (Round to 3 decimal place) Ultimate strength = 600.000MPa = 600000000Pa = 600 * 10^6 Factor...
*Monday, July 1, 2013 at 12:01pm by Danny*

**Physics**

The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 6.000cm? ANS = kN (Round to 3 decimal place) Ultimate strength = 600.000MPa = 600000000Pa = 600 * 10^6 Factor...
*Wednesday, July 3, 2013 at 11:15am by Danny*

**Physics Help Please**

A sample of an unknown material appears to weigh 270 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? (b) What is the density of the material?
*Friday, November 12, 2010 at 1:03pm by A*

**Physics**

A tie bar is made of a material having a tensile strength of 231 MPa and has to carry a load of 255 kN. What is the diameter of the bar if a factor of safety of 7 is applied? ANS = 99.2 mm Cannot figure out how to get the answer. Need help please. Thank you
*Saturday, August 17, 2013 at 2:40pm by Danny*

**Math**

Q) Hasan buys two kinds of cloth materials for school uniforms, shirt material costs him Rs 50 per metre and trouser materia l costs him Rs 90 per meter. For every 2 meters of the trouser material he buys 3 meters of shirt material. He sells that material at12% and 10% profit ...
*Saturday, September 15, 2012 at 2:14pm by Mayank*

**Strength of materials**

Giveto applications of mechanics depends upon strength
*Sunday, July 21, 2013 at 5:22am by Hussain*

**college algebra**

A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. express the amount of material required to make the drum as a function of the radius r of the cylinder. also how much material is required if the drum is of radius 3 feet?
*Monday, February 27, 2012 at 3:28pm by Carol*

**algebra**

sam has a science test on thursday. on monday he studies 3/8 of the material. on tuesday he studies 1/3 of the material. how much material has he studied
*Thursday, April 8, 2010 at 5:27pm by vern*

**physics**

A sample of an unknown material appears to weigh 285 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? Answer is in m3 (b) What is the density of the material? Answer is in kg/m3
*Thursday, October 27, 2011 at 9:11pm by caitlin*

**Stress & Strain (Help Please)**

A tie bar is made of a material having a tensile strength of 231 MPa and has to carry a load of 255 kN. What id the diameter of the bar if a factor of safety of 7 is applied? ANS = 99.2 mm Cannot figure out how to get the answer. Need help please. Thank you
*Saturday, August 10, 2013 at 11:21am by Danny*

**math**

Imagine making a tent in the shape of a right prism whose cross-section is an equilateral triangle (the door is on one of the triangular ends). Assume we want the volume to be 2.2 m3, to sleep two or three people. The oor of the tent is cheaper material than the rest: assume ...
*Friday, April 6, 2012 at 11:35am by Katie*

**calculus**

Imagine making a tent in the shape of a right prism whose cross-section is an equilateral triangle (the door is on one of the triangular ends). Assume we want the volume to be 2.2 m3, to sleep two or three people. The floor of the tent is cheaper material than the rest: assume...
*Tuesday, December 10, 2013 at 1:01am by Danny*

**Physics**

In a magnetization cycle, a large hysteresis loop indicates ____. Answer the material is nonmagnetic a large amount of energy loss due to heating the size of the material is large the material will not remain well magnetized
*Tuesday, July 16, 2013 at 2:15pm by tom*

**basic college reading**

find the mainMyth 1: You only need to read the material once. Textbooks are packed with too much information to understand, much less retain, in one reading session. This is particularly true if the information is new and unfamiliar. Most students who can read and retain ...
*Wednesday, August 25, 2010 at 3:31pm by james*

**Physics**

A certain substance has a dielectric constant of 2.8 and a dielectric strength of 18.0 MV/m. If it is used as the dielectric material in a parallel-plate capacitor, what minimum area should the plates of the capacitor have to obtain a capacitance of 7.0010-8 F and to ensure ...
*Thursday, February 14, 2013 at 9:44pm by Nicole*

**College Physics 2**

Estimate the magnitude of the electric field strength due to the proton in a hydrogen atom at a distance of 5.29x10^-11 m, the expected position of the electron in the atom.
*Wednesday, August 29, 2012 at 7:07am by Mayga*

**physics**

A 50.0-g sample of a conducting material is all that is available. The resistivity of the material is measured to be 11~ 10-8 m and the density is 7.86 g/cm3. The material is to be shaped into a solid cylindrical wire that has a total resistance of 1.5 . a) What length of...
*Thursday, November 15, 2012 at 7:44pm by Amber*

**Physics II**

A 51.0 g sample of a conducting material is all that is available. The resistivity of the material is measured to be 12 10-8 m, and the density is 7.67 g/cm3. The material is to be shaped into a solid cylindrical wire that has a total resistance of 1.5 . What length of wire ...
*Thursday, March 7, 2013 at 4:08pm by Stephanie*

**QUOTATION MARKS**

When you want to add material to the quoted information, what do you do? put brackets around the added material put single quote marks around the added material put parentheses around the borrowed material avoid doing this--there is no need to add material to borrowed ...
*Tuesday, April 27, 2010 at 8:49pm by christopher*

**Test Prep for College Final**

I have been taking a distance learning course the past year. It is a correspondence course through a regionally accredited college. I need this course for my degree. I am going to take my final in two days at the college that is acting as my proctor. I understand and know the ...
*Sunday, November 23, 2008 at 3:48pm by G*

**chem**

the following procedure may be used to determine the density of a granular material. A sample of a granular material weighing 4.35 grams is placed in a 15 mL flask and then completely filled with benzene (liquid) the density of which is .879g/cc. The granular material and ...
*Monday, November 8, 2010 at 7:54pm by B.o.B*

**Physics**

What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N ultimate strength = 630.000MPa...
*Monday, July 1, 2013 at 12:05pm by Danny*

**Physics**

What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N ultimate strength = 630.000MPa...
*Tuesday, July 2, 2013 at 11:48am by Danny*

**Physics**

What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N Ultimate Strength = 630.000MPa...
*Wednesday, July 3, 2013 at 4:24pm by Danny*

**Physics(Stress&Strain)**

What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N ultimate strength = 630.000MPa...
*Friday, June 28, 2013 at 3:38pm by Danny*

**Physics (Stress & Strain)**

What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N ultimate strength = 630.000MPa...
*Saturday, June 29, 2013 at 10:14am by Danny*

**physics**

In an experiment to determine the rate at which heat is extracted from a hot material, material at 90 C is put into a copper vessel. The hot material and calorimeter are placed in a container holding cold water at 22.7 C. The temperature of the water is then measured every ...
*Tuesday, April 12, 2011 at 6:48am by john*

**Intro to Physics**

A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? ___________m^3 (b) What is the density of the material? ____________ kg/m3 I am getting the wrong answer. Can you...
*Wednesday, November 7, 2012 at 9:43pm by Amy*

**Algebra 2 help...**

A half life of a certain radioactive is 36 days. An initial amount of the material has a mass of 487 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 5 days. Round your answer to the nearest thousandth.
*Friday, January 10, 2014 at 8:13pm by Maria *

**college**

Create a SWOTT table summarizing your findings. Your environmental analysis should take into account, at a minimum, the following factors. For each factor, identify the one primary strength, weakness, opportunity, threat, and trend
*Friday, August 27, 2010 at 9:37am by mary*

**Physics**

The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter = 3.000cm = 0.03m Ultimate ...
*Wednesday, July 3, 2013 at 5:13pm by Danny*

**calculus**

A square-based, box-shaped shipping crate is designed to have a volume of 16ft^3. The material used to make the base costs twice as much (per ft^2) as the material in the sides, and the material used to make the top costs half as much (per ft^2) as the material in the sides. ...
*Thursday, November 4, 2010 at 9:13pm by Bob*

**calculus**

A rectangular box is to be constructed from two different materials. The box will have a square base and open top. The material for the bottom costs $4.25/m2. The material for the sides costs $2.50/m2. Find the dimensions of the box with the largest volume if the budget is $...
*Saturday, April 9, 2011 at 7:58pm by j*

**college physics**

The speed (v) of an ocean wave depends on its wavelength (measured in m/s) and the gravitational field strength g (measured in m/s62) according to the formula v = Kˣgʸ where K is a dimensionless constant. Find the value of the exponent x and y.
*Tuesday, January 19, 2010 at 7:22pm by Mandy*

**physics, university**

A 50.0-g sample of a conducting material is all that is available. The resistivity of the material is measured to be 11 x 10-8 ohms/m and the density is 7.86 g/cm3. The material is to be shaped into a solid cylindrical wire that has a total resistance of 1.5 ohms. a) What ...
*Monday, November 19, 2012 at 2:33pm by Emma*

**Quick Help**

Psychological impact and pain due to bullying can cause an individual to do unspeakable things. The inner strength of a person is more powerful than the physical strength of any individual. Do these make sense? Thanks. Thanks.
*Thursday, April 22, 2010 at 3:37pm by John*

**college physics**

The speed (v) of an ocean wave depends on its wavelength (measured in meters) and the gravitational field strength g (measured in m/s62) according to the formula v = Kˣgʸ where K is a dimensionless constant. Find the value of the exponent x and y.
*Tuesday, January 19, 2010 at 8:19pm by Mandy*

**college physics**

The speed (v) of an ocean wave depends on its wavelength (measured in meters) and the gravitational field strength g (measured in m/s62) according to the formula v = Kˣgʸ where K is a dimensionless constant. Find the value of the exponent x and y.
*Tuesday, January 19, 2010 at 8:19pm by Mandy*

**college physics**

A current of 2.7 A flows in a straight wire segment of length (2.5 cm) ı + (2.5 cm) in a uniform magnetic field of strength (1.7 T) ı . Find the magnitude of the force on the wire.
*Monday, June 21, 2010 at 12:13am by essence*

**Science**

A material has 32 atoms in all; 24 decayed and the rest undecayed. If the half-life of the radioactive material is 1000 years, what is the age of the material? a. 1000 years b. 2000 years c. 3000 years d. 4000 years
*Wednesday, April 15, 2009 at 11:47pm by Angie*

**Math**

Jo's mother bought some fabric in a sale.She bought 2 1/2m white,3 1/4m red and 1 3/8 blue material. A.How much material did she buy in all? B.If the material costs $72 per meter,how much money did she spend? Please as soon as you get both answers could you please post it.Thanks
*Monday, January 7, 2013 at 6:15pm by Annecia*

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