Monday

April 21, 2014

April 21, 2014

Number of results: 6,507

**Math word problem**

I know the answer, but is there a formula to show work? Amy had a piece of wire 96 inches long. She cut the wire into 3 pieces. The second piece was 6 inches longer than the first piece. The third piece is 9 inches longer than the second. What was the length of each piece of ...
*Sunday, November 30, 2008 at 9:27pm by Lauren*

**Physics**

A certain piece of wire has a resistance of 250 ohms. if the wire is cut in three pieces and the cross sectional area of each piece is halved, what is the resistance of each piece?
*Tuesday, March 8, 2011 at 6:47pm by Kate*

** math problem**

A piece of wire 24 cm long is cut into two pieces and each piece is bent to form a square . Find the lenght of each piece of wire in order to maximize the sum of the area of the two squares?
*Thursday, March 21, 2013 at 3:10am by mark*

**Calculus**

a piece of wire 12 ft. long is cut into two pieces. one piece is made into a circle and the other piece is made into a square. Let the piece of length x be formed into a circle. allow x to equal 0 or 12, so all the wire is used for the square or for the circle. How long should...
*Tuesday, July 3, 2012 at 7:35pm by Tara*

**math**

a piece of wire 24 ft. long is cut into two pieces. one piece is made into a circle and the other piece is made into a square. Let the piece of length x be formed into a circle. allow x to equal 0 or 24, so all the wire is used for the square or for the circle. How long should...
*Tuesday, March 4, 2014 at 9:08pm by jason*

**Physics**

(1) 45 micro coulombs of charge is passed through a wire in 35 seconds. How many electrons does this represent? What is the current in the wire? (2) A piece of copper wire has a resistance of 5 Ohms at 20 degrees celsius. If another piece of copper wire at 0 degrees celsius is...
*Monday, May 4, 2009 at 1:54pm by Bob*

**math**

an electrician cuts a 29 foot piece of wire into two pieces. one piece is 4 feet longer than the other piece.how long is each piece?
*Monday, September 26, 2011 at 5:04pm by hsanetha*

**Algebra**

Daniel has a piece of wire that is a fifth of a yard long. He cuts the wire into three equal pieces. What fraction of a yard is each piece?
*Monday, March 17, 2014 at 6:54pm by Alexis*

**Calculus**

A piece of wire 40 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How should the wire be cut so that the total area enclosed is a maximum= minimum= Find the length of the wire used
*Tuesday, May 7, 2013 at 5:48am by Brian*

**Chemsitry 2 **

a piece of nickel wire has a diameter of 0.568. if the nickel has a density of 8.90g/cc, how long( in meters) should you cut a piece of wire to obtain 0.0234 moles of nickel?
*Monday, September 12, 2011 at 8:15pm by Smarth*

**geometry**

A wire 10 meters ong is to be cut into two pieces. One piece wil be shaped as a square, and the other piece will be shaped as a circle. (piece one is 4x, piece two is 10-4x) a)Express the total area A enclosed by the pieces of wire as a function of the length x of the side of...
*Monday, November 7, 2011 at 8:01pm by chris*

**MATH**

ken cuts a 10fo piece of wire, the first piece is three times longer then the second how long is each piece?
*Friday, March 25, 2011 at 8:13am by destinee*

**Calculus**

A wire 4 meters long is cut into two pieces. One piece is bent into a square for a frame for a stained glass ornament, while the other piece is bent into a circle for a TV antenna. To reduce storage space, where should the wire be cut to minimize the total area of both figures...
*Wednesday, November 14, 2012 at 7:44pm by Bob*

**algebra**

a piece of wire measuring 20 feet is attached to a telephone pole as a guy wire. the distance along the ground from the bottom of the pole to the end of the wire is 4 feet greater than the height where the wire is attached to the pole. how far up the pole does the guy wire reach?
*Sunday, December 2, 2012 at 11:01pm by nelly*

**Chemstry**

A 4.1089 g piece of aluminum wire with a circular cross section is 42.06 cm long and has density of 2.6989 g/cm3. What is the volume of the wire and the cross sectional area of the wire in cm2?
*Monday, September 17, 2012 at 8:15pm by anonymous*

**Precalculus**

There is a piece of wire 200 cm long. It needs to be cut into 2 pieces, with one piece forming an equilateral triangle and the other piece forming a circle. How long must each piece be to maximize the area of each shape?
*Saturday, September 4, 2010 at 12:23pm by Ce*

**physics**

a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt battery. How much power does it draw? Let's assume that this little piece of wire initially contained one trillion (that's a one with 12 zeros) mobile ...
*Sunday, March 20, 2011 at 10:20pm by jen*

**physics**

a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt battery. How much power does it draw? Let's assume that this little piece of wire initially contained one trillion (that's a one with 12 zeros) mobile ...
*Wednesday, March 23, 2011 at 6:43pm by john*

**physics**

a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt battery. How much power does it draw? Let's assume that this little piece of wire initially contained one trillion (that's a one with 12 zeros) mobile ...
*Thursday, March 24, 2011 at 10:14pm by john*

**Calc**

A wire 9 meters long is cut into two pieces. One piece is bent into a square for a frame for a stained glass ornament, while the other piece is bent into a circle for a TV antenna. To reduce storage space, where should the wire be cut to minimize the total area of both figures...
*Thursday, October 28, 2010 at 11:43pm by Pierre*

**MINIMIZATION PROBLEM (CALC)**

A wire 9 meters long is cut into two pieces. One piece is bent into a square for a frame for a stained glass ornament, while the other piece is bent into a circle for a TV antenna. To reduce storage space, where should the wire be cut to minimize the total area of both figures...
*Saturday, October 30, 2010 at 3:55pm by Pierre*

**MINIMIZATION PROBLEM (CALC)**

A wire 9 meters long is cut into two pieces. One piece is bent into a square for a frame for a stained glass ornament, while the other piece is bent into a circle for a TV antenna. To reduce storage space, where should the wire be cut to minimize the total area of both figures...
*Saturday, October 30, 2010 at 3:55pm by Pierre*

**calculus**

A five feet piece of wire is cut into two pieces. One Piece is bent into a square and the other is bent into an equilateral triangle. Where should the wire be cut so that the total area enclosed by both is minimum.
*Wednesday, November 14, 2012 at 12:10am by Kyle*

**calculus**

A piece of wire 18 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (a) How much wire should be used for the square in order to maximize the total area?
*Sunday, November 3, 2013 at 10:35am by Anonymous*

**math**

An electrician cuts a 26ft piece of wire into two pieces. One piece is 4ft longer than the other. How long are the pieces? What is the length of the shorter piece?__ft
*Friday, September 7, 2012 at 4:07pm by Kelly*

**Calculus **

A piece of wire 12 m long is cut into two pieces. One piece is bent into the shape of a circle of radius r and the other is bent into a square of side s. How should the wire be cut so that the total area enclosed is: a) a maximum? r= and s=. b) a minimum? r= and s=
*Sunday, November 27, 2011 at 6:54pm by Nicola*

**math**

wire is cut into 2 pieces with one piece 14 feet shorter than other.The wire was 66 feet before cut,how long is the the shortest lenght of wire,shoe steps to solve
*Wednesday, December 5, 2012 at 11:30pm by Anonymous*

**math**

A piece of wire was used to make 3similar squares, each of side 3.5 cm.What was the lenght of the wire?
*Wednesday, September 8, 2010 at 2:59am by byy*

**math**

A 2 feet piece of wire is cut into two pieces and once piece is bent into a square and the other is bent into an equilateral triangle. How much wire should be used for the square to ensure that the total area enclosed by both shapes is minimized?
*Tuesday, March 12, 2013 at 10:59am by Joe*

**Calculus**

A piece of wire 40 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How much of the wire should go to the square to minimize the total area enclosed by both figures?
*Monday, November 18, 2013 at 8:08pm by Sckricks*

**physics**

A potential difference of 12 V produces a current of 0.90 A in a piece of copper wire. What is the resistance of the wire?
*Sunday, March 20, 2011 at 3:51pm by maria*

**physics**

A potential difference of 12 V produces a current of 0.90 A in a piece of copper wire. What is the resistance of the wire?
*Tuesday, March 22, 2011 at 10:22pm by maria*

**algebra**

a piece of wire that is 58cm long is cut into three pieces. the longest piece is 6cm shorter than the sum of the lengths of the other two pieces. five times the lengths of the shortest piece is 10cm less than the sum of the lengths of the other two pieces. determine the ...
*Friday, October 22, 2010 at 3:48am by ckim*

**physics**

A piece of copper wire has a resistance per unit length of 6.45*10-3 /m. The wire is wound into a thin, flat coil of many turns that has a radius of 0.140 m. The ends of the wire are connected to a 12.0 V battery. Find the magnetic field strength at the center of the coil.
*Monday, February 11, 2008 at 10:25pm by rick*

**geometry**

how many inches long is the radius of the largest circle that can fit inside a rectangle 18 inches long and 12 inches wide? An 84-cm wire is cut into three pieces. the second piece is 4 cm longer than the first piece and the third piece is twice as long as the second piece. ...
*Wednesday, August 18, 2010 at 2:59pm by graciela*

**Physics **

A piece of copper wire has a resistance per unit length of 5.50 x 10^-3 Ω/m. The wire is wound into a thin, flat coil of many turns that has a radius of 0.200 m. The ends of the wire are connected to a 12.0-V battery. Find the magnetic field strength at the center of the ...
*Thursday, October 3, 2013 at 12:52pm by Anonymous *

**Related rates**

A piece of wire 10 feet long is cut into two pieces. One piece is bent into the shape of a circle and the other into the shape of the square. How should the wire be cut so that the combined area of the two figures is as small as possible?
*Sunday, May 20, 2012 at 9:02pm by :)*

**math**

A support wire runs from the top of a tower to the ground. If the tower is 1200 feet tall and the wire is attached to the ground 500 feet away from the tower, how long is the support wire?
*Wednesday, November 20, 2013 at 7:30pm by Marissa*

**engineering physics 2**

A 19 m long piece of wire of density 8.34 g/m3 has a diameter of 12.593 mm. The resistiv- ity of the wire is 1.7e-8(ohm)(m) at 20 degrees celsius. The temperature coefficient for the wire is 0.0038(degrees celsius)^-1. Calculate the resistance of the wire at 20degrees Celsius...
*Thursday, February 28, 2008 at 2:56pm by David*

**essential mathematics**

A piece of wire 27/32 inch in length is cut into 3 pieces. how long is each piece?
*Saturday, September 8, 2007 at 12:01am by Anonymous*

**mathematics 1**

A piece of wire 27/32 inch in length is cut into 3 equal pieces. how long is each piece?
*Monday, October 1, 2007 at 6:58pm by Anonymous*

**algebra **

A rancher is putting up a rectangular electic fence to contain some horses. The rancher has 1200 feet of electric wire. The fence needs to be at least 120 feet in one direction in order to contain the barn. Which system of linear equalities describes the conditions in this ...
*Tuesday, May 4, 2010 at 9:19am by letes*

**Calculus!!!**

A piece of wire 28 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (a) How much wire should be used for the square in order to maximize the total area? (b) How much wire should be used for the square in order to minimize the ...
*Tuesday, November 5, 2013 at 7:35am by Maddy*

**Physics**

A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the normal to the loop, and it increases from 0 to 0.70 T in a time of 0.45 s. The wire has a resistance per unit length of 3.3 10-2 /m. What is the average ...
*Thursday, October 4, 2007 at 1:29pm by Mary*

**Physic please help!**

A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the normal to the loop, and it increases from 0 to 0.70 T in a time of 0.45 s. The wire has a resistance per unit length of 3.3 10-2 /m. What is the average ...
*Tuesday, October 9, 2007 at 6:32pm by Mary*

**Ap physics b**

A piece of copper wire is formed into a single circular loop of radius 11 cm. A magnetic field is oriented parallel to the normal to the loop, and it increases from 0 to 0.65 T in a time of 0.45 s. The wire has a resistance per unit length of 3.3 10-2 /m. What is the average ...
*Wednesday, April 6, 2011 at 9:23pm by christina*

**Calculus**

A piece of wire 24 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (Give your answers correct to two decimal places.) (a) How much wire should be used for the circle in order to maximize the total area? (b) How much wire ...
*Friday, February 26, 2010 at 12:11pm by Crystal *

**calculus help please **

A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? = 14 m (b) How much wire should be used for the square in ...
*Tuesday, April 15, 2014 at 10:10pm by Christine *

**geometry**

A piece of straight thin wire fits diagonally across a rectangle of length 7cm. If the wire is 10cm long, what would be the width of the rectangle.
*Wednesday, October 13, 2010 at 7:19pm by Vidal*

**Algebraic Polynomials**

I don't know where to go about creating a polynomial equations for the following problem: A piece of wire 52 in. long is cut into two pieces, and then each piece is formed into a square. If the sum of the areas of the two squares is 97 in.^2, how long are the pieces of wire? ...
*Wednesday, March 28, 2012 at 8:38pm by Anonymous*

**physics**

Consider two copper wires with the same cross-sectional area. Wire A is twice as long as wire B. How do the resistivities and resistances of the two wires compare? CHECK ALL THAT APPLY Wire A and wire B have the same resistance. Wire A has twice the resistivity of wire B. Wire...
*Friday, February 7, 2014 at 8:27pm by Anonymous*

**Physics**

You have a piece of copper with a volume of 2 cm3, and wish to form a wire having a resistance of 0.15 . How long should the wire be if the resistivity of copper is 1.72 ~ 10-8 . m?
*Monday, July 15, 2013 at 3:31am by tom*

**optimization calculus**

A piece of wire 25 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (a) How much of the wire should go to the square to maximize the total area enclosed by both figures? (b) how much of the wire should go to the square to ...
*Sunday, November 20, 2011 at 7:41pm by A*

**HELLP!! calculus**

A piece of wire 25 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (a) How much of the wire should go to the square to maximize the total area enclosed by both figures? (b) how much of the wire should go to the square to ...
*Wednesday, November 23, 2011 at 5:35pm by Kay*

**Physics**

A piece of copper wire has a resistance per unit length of 5.95 10-3 /m. The wire is wound into a thin, flat coil of many turns that has a radius of 0.200 m. The ends of the wire are connected to a 12.0 V battery. Find the magnetic field strength at the center of the coil. In ...
*Thursday, September 27, 2007 at 11:06pm by Mary*

**math**

a wire 54cm long is cut into three pieces. the second piece is twice the length of the first, and the third piece is three times the length of the first. Find the length of each piece?
*Wednesday, December 11, 2013 at 10:59am by shariza*

**PHYSICS**

A heavy piece of hanging sculpture is suspended by a 90 cm long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 80 Hz. What is the mass of the sculpture?
*Thursday, February 25, 2010 at 11:02pm by Lucas*

**physics**

A certain copper wire has a resistance of 12.0 \Omega.At what point along its length must the wire be cut so that the resistance of one piece is 5.0 times the resistance of the other?
*Thursday, September 23, 2010 at 4:46pm by rabiya*

**physics**

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power delivered to wire B?
*Wednesday, November 13, 2013 at 2:58am by Anton*

**Physics**

A piece of Nichrome wire has a radius of 8.0 10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 102 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire.
*Friday, September 7, 2007 at 11:26am by Mary*

**Calculus Help Please Urgent!!!**

A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? 14 m this one I got right (b) How much wire should be used...
*Friday, April 18, 2014 at 6:57pm by Nane*

**Mathematics**

(in this question they did not give me any diagrams) use pie 22/7 (a) a piece of wire is bent to form a square of area 121cm squared Calculate the length of each side of the square. Calculate the perimeter of the square. (b) the same piece of wire was bent to form a circle. ...
*Tuesday, June 5, 2012 at 10:57am by INDIANA*

**physics**

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered to wire A to the power delivered to ...
*Thursday, November 14, 2013 at 1:56am by Anonymous*

**physics**

A piece of gold wire is used to form a circular loop of radius 12.3 cm. The wire has a cross-sectional area of 11.1 mm^2. Points A and B are 90.0 apart. Find the resistance between points A and B.
*Tuesday, February 8, 2011 at 4:18pm by Eric*

**Electricity help needed please**

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power delivered to wire B? ...
*Friday, November 15, 2013 at 5:49am by Abdu*

**physics**

a piece of wire has a resistance of R , it is cut into three pieces of equal length,and the pieces are twisted together parallel to each other. what is the resistance of the resulting wire in terms of R
*Tuesday, May 11, 2010 at 1:02pm by brad*

**Physics**

A heavy piece of hanging sculpture is suspended by a 90 cm long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 80 Hz. What is the mass of the sculpture? --- Velocity=(0.9)(80)=72m/s T=V^2*u =(72)^2*(0.005kg/0.9m) =28.8 N T=W 28.8=(...
*Friday, February 26, 2010 at 12:10pm by Anonymous*

**college Physics**

you can create a compass by using whats in the room. you can brake off a piece of wire about an inch or two long and magnetize it with the use of electricity and wires. you will need to mark one end as this is the end you will start your magnetizing from and it will be your N ...
*Monday, April 12, 2010 at 11:27am by Anonymous*

**physics**

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered to wire A to the power delivered to ...
*Wednesday, November 13, 2013 at 3:32pm by Anonymous*

**math 090**

an electrican cuts 14 ft piece of wire into two pieces. one piece is 2 ft longer than the other. how long are the pieces?
*Thursday, October 15, 2009 at 8:37pm by TIM*

**Math**

A 384-m wire is cut into three pieces. The second piece is 3 m longer than the first. The third is four-fifths as long as the first. How long is each piece?
*Sunday, November 21, 2010 at 2:30pm by Nina*

**algebra**

A 384-m wire is cut into three pieces. The second piece is 3 m longer than the first. The third is four-fifths as long as the first. How long is each piece?
*Sunday, November 21, 2010 at 2:32pm by Nina*

**math**

an electrian cuts a 22 ft piece of wire into two pieces. one oiece is 18 ft longer than the shortor piece. how long are the pieces?
*Thursday, October 15, 2009 at 7:26pm by TIM*

**Algebra**

A 180-m wire is cut into three pieces. The third piece is 20 m longer than the first. The second is two thirds as long as the first. How long is each piece?
*Wednesday, April 10, 2013 at 11:28pm by Scarlett*

**Math**

A wire measures 137 centimeters in length. The shorter piece is 13 centimeters short. find the of length each piece.
*Thursday, January 12, 2012 at 12:07am by Raquel*

**Algebra 2 **

Let L be the length of fence parallel to the river. A = L*(2400-L)/2 = 1200L - L^2/2 dA/dL = 0 = 1200 - L (using calculus) L = 1200 m for maximum A Amax = 1200*600 = 720,000 m^2 You can get the same answer by completing the square. A = -(1/2)(L^2 -2400L + 1,440,000) + 720,000...
*Thursday, May 19, 2011 at 1:13am by drwls*

**Physics**

I understand the basics of the center of mass, but I'm having a hard time with this wire one: "A uniform piece of wire, 20 cm long, is bent in the center to give it an L-shape. How far from the bend is the center of mass?" If you could help that'd be great. Thank you!
*Monday, November 22, 2010 at 7:18pm by Trisha*

**maths**

A piece of wire when bent in the form of square encloses an area of 484cm sq.now if the same wire is bent in the form of circle area enclosed by it would be
*Wednesday, May 4, 2011 at 12:37am by aditi*

**chemistry**

A 55.0-g piece of copper wire is heated, and the temperature of the wire changes from 19 degrees C to 86 degrees C. The amount of heat absorbed is 343 cal. What is the specific heat of copper?
*Monday, August 4, 2008 at 5:34pm by kayla*

**Physics**

A long straight horizontal segment of wire with 0.060 m traverses a west magnetic field with 2.0 T. If a south current with 4.0 A flows through the wire, which one of the following statements concerning the effect of the magnetic force on the wire is true. a) The wire will be ...
*Sunday, November 14, 2010 at 6:59pm by Katie*

**Physic please check**

A piece of copper wire has a resistance per unit length of 6.50 10-3 /m. The wire is wound into a thin, flat coil of many turns that has a radius of 0.170 m. The ends of the wire are connected to a 12.0 V battery. Find the magnetic field strength at the center of the coil. ...
*Monday, November 5, 2007 at 10:09pm by Mary*

**math**

a wire is 36 m long is cut into two pieces , each piece is bent to form a rectangle which is 1 centimeter longer than its width. how long should each piece be to minimize the sum of the areas of the two rectangles?
*Friday, November 8, 2013 at 4:01am by jemma*

**Physics resistance question**

A piece of copper wire of resistance R is cut into 10 equal lengths. These parts are connected in parallel. How does the joint resistance of the parallel combination compare with the original resistance of the single wire?
*Tuesday, February 21, 2012 at 6:07pm by Anonymous*

**Physics repost**

I know I have posted this question before but I have tried everything under the sun to no avail. Please help a clueless student!!!! A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the normal to the loop, ...
*Thursday, October 11, 2007 at 11:15pm by Mary*

**Physics**

Two current carrying wires cross at right angles as indicated in the figure. If the wires are not restrained, what statement best describes the motion of the wires? Hint: To help you visualize the situation, draw first the magnetic field that Wire 1 makes at the points shown ...
*Monday, March 15, 2010 at 1:54pm by mm.*

**pre calculus**

A wire 10m long is cut into 2 pieces. one piece will be cut into a square the other piece will be shaped into a circle. Graph A= A(x) for what value of x is A smallest?
*Sunday, November 18, 2012 at 11:50pm by ann9012*

**dma 040**

If piece 2 is twice piece 1 & 3, then x = piece 1 3x = piece 3 (3 times piece 1) 2(3x + x) = piece 2 (twice piece 1 & 3) x + 3x + 2(4x) = 42 12x = 42 x = 3.5 Piece 1 - 3.5 Piece 2 - 10.5 Piece 3 - 28
*Saturday, September 14, 2013 at 10:42pm by Jalita*

**algebra**

The remainder of available funds after buying food is 7/24 of $1200 or $350. After spending 5/7 of that ($250) for clothing and other expenses, $100 is left. This could also be computed from the formula X = 1200(1 - 17/24)(1 - 5/7) =1200(7/24)(2/7) = 1200*(1/12)
*Thursday, February 7, 2008 at 5:02am by drwls*

**chemistry stoichiometry**

My chem teacher gave us this problem Twelve-gauge copper wire,like the kind commonly used in residential electrical systems, is roughly cylindrical and has a diameter of approximately .1040in. Copper's density is 8.92g/cubic cm and copper atoms have an approximate atomic ...
*Sunday, September 9, 2007 at 9:34pm by Julissa*

**physics**

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 88-N picture is then hung from the center of the wire, as the drawing illustrates, so the ends of the wire ...
*Saturday, April 14, 2012 at 5:09am by robert*

**Physics**

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 98-N picture is then hung from the center of the wire, as the drawing illustrates, so the ends of the wire ...
*Saturday, November 23, 2013 at 11:31pm by Samantha*

**Physics**

Two current carrying wires cross at right angles (like a + sign). Wire 1 has current directed horizontally to the left. Wire 2 has current directed vertically up. If the wires are not restrained, what statement best describes the motion of the wires? A) Wire 1 moves out of the...
*Saturday, March 13, 2010 at 1:07pm by Jane*

**differential calculus**

a pc of wire 10feet long is cut into 2 pcs. one piece is bent into the shape of a circle and the other into the shape of a square. how should the wire be cut so that the combined area is as large as possible?
*Wednesday, July 10, 2013 at 4:37am by jr*

**12th grade chemistry**

A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.
*Monday, November 10, 2008 at 4:45pm by jerry*

**chemistry 11 grade **

A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.
*Sunday, January 2, 2011 at 3:20am by Farah*

**dma 040**

If piece 2 is twice piece 1, then x = piece 1 3x = piece 3 (3 times piece 1) 2x = piece 2 (twice piece 1) x + 3x + 2x = 42 6x = 42 x = 7 Piece 1 - 7 Piece 2 - 14 Piece 3 - 21
*Saturday, September 14, 2013 at 10:42pm by Jalita*

**physics 8b**

A piece of wire with mass per unit length 88 g/m runs horizontally at right angles to a horizontal magnetic field. A 6.5A current in the wire results in its being suspended against gravity. What is the magnetic field strength? Express your answer using two significant figures...
*Friday, September 16, 2011 at 4:30pm by help*

**geometry**

a jeweler creates triangular medallians by bending pieces of silver wire. each medallion is an equilateral triangle. each side of a triangle is 4 cm long. how many medallians can be made from a piece of wire that is cm long?
*Thursday, July 14, 2011 at 8:15pm by lisa*

**math**

a wire 36 meter long is cut into two pieces. each piece is bent to form a rectangle which is 1 cm longer than its width. How long should each piece be to minimize the sum of the areas of the two rectangle?
*Thursday, November 7, 2013 at 7:32pm by joemarie*

**geometry - incomplete**

How long is the piece of wire?
*Thursday, July 14, 2011 at 8:15pm by Ms. Sue*

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