Sunday
April 20, 2014

Search: A piece of wire 30 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle.

Number of results: 28,985

Pre-Algebra
30 ft pipe is broken in three pieces. The shortest piece is 6ft. shorter than the longest piece. The medium length piece is 2/3 the length of the longest
Monday, November 29, 2010 at 5:45pm by Lily

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

Physics
A model airplane with a mass of 0.748 kg is tethered by a wire so that it flies in a circle 30.2 m in radius. The airplane engine provides a net thrust of 0.806 N perpendicular to the tethering wire. (b) Find the angular acceleration of the airplane when it is in level flight...
Wednesday, November 17, 2010 at 12:22pm by Anonymous

trig
A tower is supported by a guy wire from the top of the tower to the ground 16 ft from its base. The wire makes an angle of 62 with the ground. The length of the wire is a. 30.09 ft b. 18.12 ft c. 28.41 ft d. 34.08 ft
Friday, August 12, 2011 at 1:54pm by Val

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

Physics
A bird is resting on a phone wire between two poles that are 30 m apart. The bird is exactly midway between the two poles. Because of the weight of the bird, the wire sags by 50 cm. The tension in the wire is 70 N
Friday, October 23, 2009 at 10:32pm by Anonymous

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

7th grade math pygorean theroem ms.sue correct
4. A wire is stretched from the top of a 26-foot pole to a point on the ground that is 15 feet from the bottom of the pole. Approximately how long is the wire in feet? (1 point) 16 21 30 37 4.30 is it correct?
Tuesday, October 9, 2012 at 9:43pm by Delilah

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

Statics
An aluminum wire has a diameter of d in. Determine the minimum diameter D of the coil in which the wire can be wound without exceeding a bending stress of 30,000psi
Monday, April 23, 2012 at 1:45pm by Mary

physics
copper has 8.5 x 10^28 electrons per cubic meter. (a) how many electrons are there in 30 cm length a 12 gauge copper wire (diameter 2.05 mm)? (b) if a current of 1.55 A is flowing in the wire, what is the average drift speed of the electrons along the wire? (There are 6.24 x ...
Monday, October 8, 2012 at 8:25pm by jewel

physics
vertical distance along the wire: h/40 = sin20 h = 13.68 width of street: w/40 = cos20 w = 37.59 distance from sidewalk to window: d^2 = w^2+(30-h)^2 = 37.59^2 + (30-13.68)^2 = 1679.35 d = 40.98 Not sure how you got such a large number. The wire was only 40, so the street ...
Monday, August 26, 2013 at 3:23pm by Steve

Pre Cal
a piece of wire 5 inches long is to be cut into two pieces. One piece is x inches long and is to be bent into the shape of a square. the other piece is to be bent into the shape of a circle. Find an expression for the total area made up by the square and the circle as a ...
Sunday, July 24, 2011 at 6:47pm by Ashley

trigonometry
two pieces of wire stretched from the top, M of a vertical pole to the points L and N on the horizontal ground. the angle of depression of L from N =65 degrees. N is on the opposite side of the pole(from left)at an angle of depression of 72 degrees from M. Find the length of ...
Monday, April 23, 2012 at 10:10pm by lindsay

physics
Suppose that you wish to fabricate a uniform wire out of 0.900 g of copper. Assume the wire has a resistance R = 0.500 , and all of the copper is used. (a) What will be the length of the wire? (m) (b) What will be the diameter of the wire? (m)
Friday, September 17, 2010 at 10:10pm by lynette

math
A wire 320 in. long is cut into two pieces. One piece is formed into a square and the other into a circle. If the two figures have the same area, what are the lengths of the two pieces of wire (to the nearest tenth of an inch)?
Monday, September 3, 2012 at 8:50pm by roger

physics
A solid uniform 45.0 kg ball of diameter 32.0 cm is supported against a vertical frictionless wall using a thin 30 cm wire of negligible mass. (a) make a free body diagram for the ball and use it to find the tension in the wire and (b) how hard does the ball push against the ...
Friday, June 11, 2010 at 10:45am by L

dma 040
If piece 2 is twice piece 3, then x = piece 1 3x = piece 3 (3 times piece 1) 2(3x) = piece 2 (twice piece 3) x + 3x + 2(3x) = 42 10x = 42 x = 4.2 Piece 1 - 4.2 Piece 2 - 12.6 Piece 3 - 25.2
Saturday, September 14, 2013 at 10:42pm by Jalita

Physics
What length of #22 B&S gauge copper wire is needed to make a resistance of 500 ohms? This is what I came up with but don't think it is correct. looked up diameter for #22 gauge wire = .643 mm and converted to m 6.46 * 10^-4. Used Eq. A = (pi)(d^2)/4 => A = (pi)(6.43 * 10^-4...
Friday, September 7, 2012 at 12:43pm by Kevin

physics
The magnetic field in a loudspeaker is 0.2 T. The wire consists of 308 turns wound on a 4.12 cm diameter cylindrical form. The resistance of the wire is 8.2 Ω. Find the force exerted on the wire when 15.8 V is placed across the wire. Answer in units of N
Thursday, March 3, 2011 at 8:43pm by Anonymous

math
Two pieces of wire are stretched from the top M, of a vertical pole to the points L and N on the horizontal ground, The angle of depression of L from M is 65 degrees. N is on the opposite side of the pole (from L) at an angle of depression of 72 degrees from M. N is 4m from ...
Tuesday, May 21, 2013 at 5:37am by lindsay

Algebra
What is the fourth root of 4^4^4? A long wire is cut into three smaller pieces in the ratio 7:3:2. If the shortest piece is 16 cm, what is the area of the largest rectangle that can be created using the longest piece? Find the value of x in the equation 2013^2013 - 2013^2012= ...
Thursday, February 7, 2013 at 5:40pm by Claire

Physics
A uniform piece of wire, 30 cm long, is bent in the center to give it an L-shape. How far from the bend is the center of mass? I know that the center of mass is ([m1]x+[m2]x)/([m1]+m2]), but I don't quite understand how to apply it to this problem.
Monday, November 22, 2010 at 9:12pm by Avalon

college physics
A 4m long copper wire has a diameter of 2mm and carries a current of 10A. Determine the ff: a. current density in the wire b. electric field c. potential difference between the ends of the wire d. resistance of the wire
Monday, February 25, 2013 at 2:04am by Zell

Physics
A wire has a length of 5.40 10-2 m and is used to make a circular coil of one turn. There is a current of 2.30 A in the wire. In the presence of a 3.80-T magnetic field, what is the maximum torque that this coil can experience?
Monday, March 25, 2013 at 2:41pm by Don

Physics
A wire has a length of 5.40 10-2 m and is used to make a circular coil of one turn. There is a current of 2.30 A in the wire. In the presence of a 3.80-T magnetic field, what is the maximum torque that this coil can experience?
Monday, March 25, 2013 at 2:41pm by Don

geometery
how long does a piece of wire need to measure to get 18" diameter?
Tuesday, July 31, 2012 at 9:02pm by Rita

physics
A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?
Friday, February 25, 2011 at 9:35am by Lia

physics
A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?
Friday, February 25, 2011 at 10:13am by Lia

hum/205
week9 Romans, Islamic, and Indian civilization. wHAT is the purpose of the piece, who's responsible for paying for the piece,how the piece was made, description of the meaning of the piece, description of the transhistorical links to the piece.
Sunday, May 16, 2010 at 8:31am by Charles

Physics
A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15cm below(Figure 1) . Determine the magnitude of the current in the lower wire.
Monday, April 8, 2013 at 6:57pm by bud

physics
A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15cm below(Figure 1) . Determine the magnitude of the current in the lower wire.
Monday, April 8, 2013 at 9:44pm by bud

physics
A tungsten wire has a radius of 0.077 mm and is heated from 20.0 to 1205 C. The temperature coefficient of resistivity is α = 4.5 10-3 (C)−1. When 110 V is applied across the ends of the hot wire, a current of 1.3 A is produced. How long is the wire? Neglect any ...
Monday, January 27, 2014 at 4:36pm by Dee

Physics
A wire 13.0 m long and having a mass of 80 g is stretched under a tension of 205 N. If two pulses, separated in time by 30.0 ms, are generated, one at each end of the wire, where will the pulses first meet?
Saturday, December 3, 2011 at 7:56pm by Kyle

physics
The wire stretches to a new length L /cos26. The strain is (1/cos26) - 1 Multiply that by Young's modulus for the stress in the wire. The wire tension T is given by T sin26 = 44 N Use T and the stress to get the wire area and radius.
Saturday, April 14, 2012 at 5:09am by drwls

HELP-PROBLEM SOLVING IN MATHEMATICS
a piece of wire of length 136(pai) is cut to form 8 circles. the radius of the circles differ from each other, in sequence, by 1 cm. a) find the radius,r b) find the number of complete circles that can be formed if the original length of the wire is 190(pai)
Saturday, October 15, 2011 at 5:28am by alya

math
A florist uses wire frames to support flower arrangements displayed at weddings. Each frame is constructed from a wire length 9ft long that is cut into six pieces. the vertical edges of the frame consist of four of the pieces of wire that are each 12 inches long. one of the ...
Monday, April 25, 2011 at 5:06am by Sarah

physics
By "activity" I assume you want to carry out an esperiment. All you need is an ohmeter and a wire of long length. You can put the probes at different points along the wire (at different wire distances apart) and measure the ohms. The wire does not have to be straight, but ...
Sunday, January 30, 2011 at 9:35am by drwls

physics
A wire that is 630 m long is perpendicular to a 0.31 T magnetic field. A 1.8 N force acts on the wire. What current is in the wire?
Sunday, March 10, 2013 at 10:06am by Jeff

physics
The force acting on a wire that is at right angles to a(n) 0.80 T magnetic field is 2.1 N. The current in the wire is 6.7 A. How long is the wire?
Sunday, March 10, 2013 at 10:07am by Jeff

physics
The magnitude of the magnetic field produced by a long straight current-carrying wire is: proportional to both the current in the wire and the distance from the wire proportional to the current in the wire and inversely proportional to the distance from the wire inversely ...
Monday, March 17, 2014 at 5:26pm by lilly

algebra
A 33-foot-long speaker wire is to be cut into three pieces. One piece is to be 11 feet long. Of the remaining pieces, one must be 2 feet less than 3 times the length of the other. Find the length of the shorter piece
Tuesday, April 16, 2013 at 8:55am by t

Physics
An aluminum wire is hung between two towers and has a length of 175 m. A current of 125 A exists in the wire, and the potential difference between the ends of the wire is 0.300 V. The density of aluminum is 2700 kg/m3. Find the mass of the wire
Monday, October 24, 2011 at 5:46am by Mathe

Chemisty
Wire is often sold in pounds spools according to the wire guage number. That number refers to the diameter of the wire. How many meters are in 3-Ib spool of 12 gauge aluminum wire? A 12-guage wire has a diameter of 0.0808 in. Aluminum has a density of 2.70 g/cm^3. (V=3.14r^2L)
Thursday, January 19, 2012 at 10:59pm by love

physics
a wire has r of 16ohm it is drawn in a wire of half its lenght calculate the r of new wire
Thursday, May 9, 2013 at 2:32am by shrish

Physics
A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity (-30 m/s)i and a second piece, also of mass m, moves with velocity (-30 m/s)j. The third piece has mass 3m. (a) Just after ...
Sunday, February 25, 2007 at 5:14pm by COFFEE

Fractions
A 161/2ft wire is cut into 8 pieces of equal length how long is each piece
Sunday, September 16, 2012 at 10:35pm by Tam

physics
A wire 453 m long is in a 0.2 T magnetic field. A 2.56 N force acts on the wire. What current is in the wire? Answer in units of mA
Sunday, March 4, 2012 at 2:38pm by h

algebra 2
First you define the variable, let x be the length of the first piece in inches. Then make an equation using the variable to represent the given relations: x + (x+6) + (x+6)+6 = 72 Collect like terms: 3x + 18 = 72 Solve for x: 3x = 72 - 18 = 54 x = 18 Finally, verify the ...
Thursday, August 6, 2009 at 10:26pm by MathMate

Math
Maria had a square piece of paper. She cut 3 inches off the length and 4 inches off the width. Now the paper has a surface area of 30 in2. Which equation would you use to find the dimensions of the original piece of paper? A. x2 - 7x + 12 = 0 B. x2 - 7x - 18 = 0 c. x2 - 3x - 4...
Thursday, June 3, 2010 at 11:15pm by Tyrone

geometry
A 12-foot guy wire is to be attached to a tree at a 30 degree angle to the ground. At what height on the tree should the guy wire be attached? How far from the tree should the wire be attached to the ground?
Tuesday, May 8, 2012 at 12:52pm by Piggy

physics
A wire that is 46 cm long is parallel to a 0.54 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire?
Sunday, March 10, 2013 at 10:06am by Jeff

physics
A wire that is 46 cm long is parallel to a 0.54 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire?
Monday, March 11, 2013 at 8:59pm by Billy

Physics
wire A looks like ------o--- (consider that 'o' part is a continuous loop and -- represents wire)) wire B looks like ----(inverted omega, as sandra mentioned)--- i think Ba > Bb because in wire b there are some points where current changes direction and megnetic field is is...
Saturday, March 20, 2010 at 1:50pm by PEACE :)

physics
A wire of uniform linear mass density hangs from the ceiling. It takes 0.82 s for a wave pulse to travel the length of the wire. How long is the wire?
Monday, October 24, 2011 at 7:18am by fiko

Physics
A potential difference of 2.0 V is applied across a wire of cross sectional area 2.5 mm^2. The current which passes through the wire is 3.2 10-3 A. What is the resistance of the wire?
Thursday, March 15, 2007 at 3:55pm by Bano

physics
A potential difference of 2.0 V is applied across a wire of cross sectional area 2.5 mm2. The current which passes through the wire is 3.2 10-3 A. What is the resistance of the wire?
Thursday, March 6, 2014 at 9:20pm by Lucy

physics
A special prototype model aeroplane of mass 400g has a control wire 8cm long attached to its body. The other end of the control line is attached to a fixed point. When the aeroplane flies with its wings horizontal in a horizontal circle, making one revolution every 4 s, the ...
Saturday, March 27, 2010 at 10:52am by Edwin

physics
A special prototype model aeroplane of mass 400g has a control wire 8cm long attached to its body. The other end of the control line is attached to a fixed point. When the aeroplane flies with its wings horizontal in a horizontal circle, making one revolution every 4 s, the ...
Sunday, March 28, 2010 at 3:01pm by Edwin

Physics - momentum
a 1.20 kg gernade at rest on a smooth surface explodes into three pieces. one piece 0.50 kg travels horizontally north at 3.0 m/s and a 0.30 kg fragment travels horizoltally to the southwest at 4.0 m/s. assuming the third piece is also ejected along the horizontal plane, the ...
Sunday, June 24, 2012 at 5:18pm by Anonymous

physics
A wire of diameter 0.65mm and length 6.0m stretches 10mm when 5.5kg is hung from it. What is the Young's modulus for the wire and what is the effective spring constant for the stretching wire
Thursday, April 19, 2012 at 2:34pm by Kirk

Physics
the area of cross section of a wire is 1/100000 m^2 length of the wire is increased by 0.1% a tension of 1000N is produced.the young's modulus of the wire will be? ans: 1.10^11 N/m^2
Monday, February 4, 2013 at 1:46am by kalawathi

physics
A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28 electrons/m^3.) thanks
Sunday, March 27, 2011 at 11:13am by Rachel

physics
A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28 electrons/m^3.) thanks
Sunday, March 27, 2011 at 12:29pm by Rachel

Physics
A silver wire and a platinum wire of the same length have the same resistance. What is the ratio of the diameter of the silver wire to that of the platinum wire. I did 10.6E-8/1.59E-8 but am not getting correct answer?
Friday, February 10, 2012 at 9:06am by jason

physic
An 85.0-N backpack is hung from the middle of an aluminum wire, The degree of hung of the wire is 3 degree. The temperature of the wire then drops by 20.0 C. Find the tension in the wire at the lower temperature. Assume that the distance between the supports does not change.
Wednesday, March 31, 2010 at 11:33pm by firous

math
if a woman has a 50 ft. piece of wire & cuts it into strips 1 2/3 feet long, how many pieces will she have
Wednesday, May 1, 2013 at 9:51pm by katie

Physics
A 45-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 67 A and experiences a magnetic force of 0.15 N. Find the magnitude of the earth's magnetic field at the location of the wire, assuming the field makes an angle of 51.5 ...
Monday, April 1, 2013 at 2:44pm by Anonymous

Psychology
How young is your sibling? How much detail do you want to include? Your explanation will vary depending on your answers to these questions. Here is a start. At the very simplest level, you could use the example of a wire. Once this wire is stimulated enough, it sends an ...
Tuesday, October 6, 2009 at 10:23pm by PsyDAG

physics
A circular steel wire 2.00 m is to stretch no more than 0.25 cm when a tensile force of 400 N is applied to each end of wire. What minimum diameter is required for the wire?
Saturday, August 22, 2009 at 7:53pm by colleen

11th grade
A wire 28 cm long is parallel to a 0.36 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire? What equation do you use?
Tuesday, March 23, 2010 at 9:17pm by Physics

physics
50.0 kg stoplight hangs from wire over middle of an intersection. wire makes 15 degree angle with horizontal. find tension in each end of the wire
Saturday, November 20, 2010 at 1:22pm by vic

physics
A 0.300 g wire is stretched between two points 90.0 cm apart. If the tension in the wire is 600 N, find the wire's first, second, and third harmonics.
Monday, February 28, 2011 at 3:29pm by betty

math homework
A 37 foot long submarine Sanwich is cut in to three piece. the shortest piece is x feet long.the second piece is twice as long as the shortest piece the longest piece is 2 feet longer than four time the lenght of the shortest piece .find the lenght of all three piece ..please ...
Wednesday, November 21, 2007 at 5:57am by robinson

physics help 4
Get the wave speed from the ratio (wire length)/64.3*10^-3 s The wave speed equals the square root of (Wire tension)/(wire lineal density) Solve for the wire tension, T. That will equal the weight (in Newtons) of the 3 kg mass, from which you can derive g on that planet.
Sunday, November 9, 2008 at 11:54pm by drwls

Physics
Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 ~ 10−3 is in a region where there is a uniform magnetic field B. The field is at 30 to the normal to the plane of the wire loop as shown in Figure 3. The magnitude of ...
Thursday, June 18, 2009 at 12:27pm by charlie

Physics
The wire in the drawing carries a current of 14 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 33 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 1.0 m from the wires when ...
Sunday, February 12, 2012 at 8:12pm by Mareena

Math
You have a wire that is 35 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a square. The other piece will be bent into the shape of a circle. Let A represent the total area of the square and the circle. What is the circumference of the ...
Sunday, August 8, 2010 at 5:32pm by ME

math
A piece of wire of length 240 cm is bent into the shape of trapezium where the eqtn is = 13x+13x+y+y+24x. Find the value of x and y for which A is maximum, hence find the maximum area. a. express y in term of x b. show that the area A cm^2 enclosed by the wire is given by ...
Friday, July 29, 2011 at 8:24pm by Yuni

physics
A 46-cm-long wire with a mass of 10.5 g is under a tension of 52.0 N. Both ends of the wire are held rigidly while it is plucked. (a) What is the speed of the waves on the wire?
Thursday, July 19, 2012 at 8:42pm by lanre

Physics
when a wire of length 5m & radius 0.5mm is stretched by a load of 49N the elongation produced in the wire is 0.1cm find the energy stored per unit volume of the wire?
Friday, May 31, 2013 at 8:43am by Sonal

physics
When a wire of length 5m and radius 0.5mm is stretched by a load of 49N,the elongation produced in wire is 0.1cm. Find the energh stored per unit volume of the wire.
Sunday, June 2, 2013 at 11:55am by Pritam

PHYSICS
When a wire of lenght 5m & radius 0.5mm is stretched by a load of 49N,the elongation produced in the wire is 0.1cm. Find the energy stored per unit volume of the wire.
Monday, June 3, 2013 at 4:05am by Megha

physics
You apply a potential difference of 5.00 V between the ends of a wire that is 2.65 m in length and 0.654 mm in radius. The resulting current through the wire is 17.6 A. What is the resistivity of the wire?
Sunday, October 20, 2013 at 8:43pm by Dan

algebra
a piece of wire 27/32 inch in length is cut into 3 equal peices how long is each peice (math)
Thursday, May 6, 2010 at 11:02am by kaysan

Algebra
A rope 116 inches is cut into three pieces.The middle-sized piece is 10 inches shorter than twice the shortest piece.The longest piece is 5/3 as long as the shortest piece.What is the length of the shortest piece?
Thursday, November 29, 2012 at 12:44pm by Reshanee F

Physics
The wire in the drawing carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 28 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 0.76 m from the wires when...
Monday, February 25, 2013 at 5:28pm by Anonymous

Physics
I differ on Mathmate on the trig function, the wire is not ever horizontal under weight, the wire is sagging, but the principle is the same, the force is magnified greatly. Tension in wire is proportional to 1/sinAngle.
Thursday, November 4, 2010 at 9:45pm by bobpursley

physics
in the searler's metod to determine the young's modulus of a wire , a steel wire of length 156cm and diameter 0.054cm is taken as experimental wire. the average increase in length for 1 1/2 kg wt is found to be o.o5o cm.Then young's modulus of the wire? ANS: 1.)2.002* 10^11 N/m
Monday, February 4, 2013 at 1:42am by kalawathi

Physics 2
The wire in the figure below carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 26 A. Use Ampre's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires ...
Wednesday, March 2, 2011 at 9:33pm by Kellsey

Physics 2
The wire in the figure below carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 26 A. Use Ampre's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires ...
Wednesday, March 2, 2011 at 9:34pm by Kellsey

Physics
A large spool in an electrician's workshop has 52 m of insulation-coated wire coiled around it. When the electrician connects a battery to the ends of the spooled wire, the resulting current is 2.3 A. Some weeks later, after cutting off various lengths of wire for use in ...
Monday, April 1, 2013 at 7:29pm by Drue

physics
A wire 28 cm long is parallel to a 0.36 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire? What equation do you use? I tried F= ILBsin(90) and that didn't work!
Tuesday, March 23, 2010 at 9:18pm by Physics

physics
A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m^3. The mass of the wire is small enough that its effect on the tension in the wire can be neglected. The upper end of the wire is held ...
Friday, April 27, 2012 at 1:46pm by anonymous

math
A carpenter sawed a piece of wood into 3 pieces. The ratio of the pieces is 1:3:6. The longest piece is 2.5 feet longer than the shortest piece. Find the length of the original piece
Tuesday, February 4, 2014 at 8:54pm by llilli

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Next>>

Search
Members