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: 41,465

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

math
A cable 40 feet long is cut into three pieces so the length of the second piece is 4 times the length of the first piece, and the third piece is five more than twice as long as the first piece. Find the length of the pieces.
Tuesday, May 31, 2011 at 2:19pm by elaine

MATH
The 120-foot rope is cut into 3 pieces.The first of rope is twice as long as the second piece of rope.The third piece of rope is three times as long as the second piece of rope.What is length of the longest piece of rope.
Saturday, April 24, 2010 at 2:03pm by Anonymous

MATH
A PIECE OF METAL3/7/8 INCHES LONG IS TO BE CUT FROM A LONG PIECE OF 5/1/16 INCHES. WHAT WILL BE THE LENGTH OF THE REMAINING PIECE?
Friday, March 11, 2011 at 1:32pm by ICE

math
a 27 inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 5 times as long as the first piece. If x represents the length of the first piece, find the length of all three pieces.
Tuesday, December 11, 2012 at 11:49pm by mandy

Math
The electrical resistance of a wire is directly proportional to its length. If a 3-foot long wire has a resistance of 1 ohm(s), find the resistance of a 9-foot long wire. What is the resistance?
Friday, November 25, 2011 at 7:01pm by Joe

Math
A piece of wire 64 cm long is bent to form a rhombus.What is the length of each side of the rhombus
Tuesday, April 16, 2013 at 2:51pm by Angela

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)(...
Friday, September 7, 2012 at 12:43pm by Kevin

physics honors
Suppose that pure gold was to be made into a very long, thin wire for high-end stereo systems. (Gold is often used because it does not oxidize so it makes very good electrical contacts). If the gold wire was to have a radius of 0.01 cm, how long of a wire could you make from ...
Thursday, May 31, 2012 at 7:24pm by thomas

alegebra
A 180 ft long board is cut into 3 pieces. The second piece of board is twice as long as the first. The third piece of board is six times as long as the first. What is the length of the first piece of the board?
Friday, March 18, 2011 at 10:38pm by Anonymous

cambo
180 ft long board is cut into 3 pieces. The second piece of board is twice as long as the first. The third piece of board is six times as long as the first. What is the length of the first piece of the board?
Tuesday, March 1, 2011 at 11:59am by bob

physics
A 570-turn solenoid is 19cm long. The current in it is 32A . A 2.0cm -long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 27A current downward (and is connected by other wires that don't concern us). What is the force on this ...
Monday, April 8, 2013 at 9:44pm by bud

Physics
The magnetic force on a straight wire .69 m long is 1.5 x 10^-3 N. The current in the wire is 16.9 A. What is the magnitude of the magnetic field that is perpendicular to the wire?
Monday, February 27, 2012 at 10:30pm by Doryn

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...
Sunday, January 30, 2011 at 9:35am by drwls

Algebra
A radio tower is supported by a wire fastened to the ground 60 feet away from the base of the tower. If the slope of the wire is 3/2 approximately how long is the wire
Friday, June 15, 2012 at 8:55pm by Luckybee

calculus
a piece of wire 12 inches long is to be used to form a square and or a circle.determine a function that expresses the combined area of both figures.what is its domain?
Friday, August 26, 2011 at 1:28am by natasha

AP Physics
A long, straight wire carries a current of 740 mA. A thin metal rod 45 cm long is oriented perpendicular to the wire and moves with a speed of 1.8 m/s in a direction parallel to the wire. What are the size and direction of the emf induced in the rod if the nearest point of the...
Saturday, April 9, 2011 at 4:44pm by Martina

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 ...
Sunday, February 12, 2012 at 8:12pm by Mareena

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

math-word problem
from a board 38 1/2 inches long pete cut a piece 17 5/8 inches long how long was the remaining piece
Sunday, January 29, 2012 at 1:50pm by cel

math
Gina cut a piece of ribbon into 3 equal pieces. Then she cut 2 inches off one piece to make a piece 3 inches long. How long was Gina's original piece of ribbon?
Wednesday, February 6, 2013 at 7:41pm by bianca

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 ...
Monday, February 25, 2013 at 5:28pm by Anonymous

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

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

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

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 Ampère's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from...
Wednesday, March 2, 2011 at 9:34pm by Kellsey

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

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

Physics
A 550 turn solenoid is 15 cm long. The current in it is 33 A. A 3.0 cm long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 22 A current downward( and is connected by other wires that dont concern us). What is the force on this wire...
Sunday, March 2, 2008 at 9:40am by jenish

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

math 5th grade
A certain piece of a car's material expands by 1/12 its origial length in extreme heat. If the piece begins with a length of 30 in., how long will it be after it expands?
Monday, May 31, 2010 at 10:09pm by marissa

Math
Henrey had a piece of a rope that was 22 1/2 inches long. Henry cut the rope into two pieces so that one piece was 8 1/4 inches long. What was the length of the other piece of rope
Sunday, February 19, 2012 at 6:35pm by Leslie

math
a piece of ribbon 3/4 yard long is cut into 9 equal pieces. How long is each piece in feet?
Wednesday, January 9, 2013 at 8:53pm by jalyne

Math
A rope 3/4 yard long is cut into 9 pieces. Each piece is the same length. how long is each piece?
Monday, March 28, 2011 at 4:15pm by Chris

math
if you have a piece of string 11 ft. long and you cut it into 15 equal pieces how long will each piece be?
Monday, February 13, 2012 at 8:16pm by Madison

math
iam trying to find how long the longer piece is and how long the shortor piece is?
Thursday, October 15, 2009 at 7:26pm by TIM

physics EM
You have a 0.600-m-long copper wire. You want to make an N-turn current loop that generates a 1.30 mT magnetic field at the center when the current is 0.600 A. You must use the entire wire. What will be the diameter of your coil? this doesnt seem that hard but I cant figure ...
Monday, March 31, 2008 at 10:31am by Spencer

math
A piece of ribbon is 3/5m long. If it is cut in to 4 piecs, how long is each piece?
Sunday, January 6, 2013 at 7:44am by Tammy

math
Mr. Brown has a piece of hose 11 ft long. He is going to cut it into 15 equal-length pieces. How long will each piece be?
Monday, February 13, 2012 at 8:16pm by sopaia

Physics
A long, straight wire has a uniform linear charge density of 7.50X10^-4 C/m. A point charge q=15.0 microcoulombs is located 4.50 cm away from the wire. Find the magnitude of the force exerted by the charge q on the wire.
Tuesday, January 31, 2012 at 8:26am by Angelo

4thGrade Math
Mr. Brown has a piece of hose 11 ft long. He is going to cut it into 15 equal-length pieces. How long will each piece be?
Thursday, January 19, 2012 at 2:00am by Hope

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
I'm doing a problem, and it says "Robert has a piece of twine that is 3/4 yard long. He needs a piece of twine that is 2/3 of this length. How long of a piece of twine does robert need?" Help?
Thursday, December 10, 2009 at 6:53pm by lily

Physics
A weight of 50.0 N is hung from the center of a stretched horizontal wire 10.0 meters long. It causes the wire to say 1.00m at its center. What is the force exerted by each half of the wire in supporting the weight?
Wednesday, October 6, 2010 at 7:37pm by Christina

Physics
A 0.50m long wire is carrying a current of 8.0A toward the east. The wire passes through a magnetic field of 0.40T toward the north. What is the force which acts on the wire? What is the direction of the force.
Wednesday, May 5, 2010 at 3:43pm by Javier

Math
A telephone is anchored to the ground by a long cable called a guy wire, at a point 5 meters from the base of the pole, the wire makes an angle of 72.5 degrees with the horizontal. What is the length of the guy wire? HELP ASAP! I forgot how to compute for this (Pythagorean ...
Monday, October 15, 2012 at 10:33pm by Sofia

algrebra 1
A 180 ft long board is cut into 3 pieces. The second piece of board is twice as long as the first. The third piece of board is six times as long as the first. What is the length of the first piece of the board A) 20 ft B) 40 ft C) 60 ft D) 120 ft
Thursday, February 3, 2011 at 1:47pm by AP

Algebra
a 260 m wire is cut into 3 pieces. The second is 4 times longer than the 1st. The third is 2 times longer than the 2nd how long is each piece=
Thursday, August 11, 2011 at 6:31pm by jackie

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
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

albgrea
an artist cuts a 17 ft piecce of wire into two pieces. one piece is 6 ft longer then the other. how long are the pieces?
Friday, October 16, 2009 at 6:34pm by cody

8th grade Algebra
Marianna's rectangular garden is 15 yards long and 10 yards wide. She wants to stretch a wire for hanging lights from one corner of the garden to the opposite. About how long should the wire be?
Monday, January 31, 2011 at 12:13pm by Elizabeth

physics
Consider a long charged straight wire that lies fixed and a particle of charge +2e and mass 6.70E-27 kg. When the particle is at a distance 1.31 cm from the wire it has a speed 2.30E+5 m/s, going away from the wire. When it is at a new distance of 2.71 cm, its speed is 3.10E+6...
Wednesday, January 27, 2010 at 4:36pm by jaredd

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
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

college physics
Consider a long charged straight wire that lies fixed and a particle of charge +2e and mass 6.70E-27 kg. When the particle is at a distance 1.31 cm from the wire it has a speed 2.30E+5 m/s, going away from the wire. When it is at a new distance of 2.71 cm, its speed is 3.10E+6...
Wednesday, January 27, 2010 at 5:58pm by jibjab

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

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

math
Am I missing something here. They way I read this is that the answer is already given 9.5m. or are they after the angle of the ground to guy wire? The guy wire is 13.4m long. It supports a vertical power pole. The wire is fastened to the ground 9,5m from the base of the 8.7m ...
Wednesday, April 3, 2013 at 10:14am by Rose

Math
I need 120 pieces of wire that are 18 inches long. How much wire should I buy? Thanks!
Friday, April 5, 2013 at 3:34pm by Carla

physics
A long, straight wire lies on a horizontal table and carries a current of 3.05 µA. In a vacuum, a proton moves parallel to the wire (opposite the current) with a constant speed of 3.00 104 m/s at a distance d above the wire. Ignoring the magnetic field due to the Earth, ...
Tuesday, December 4, 2012 at 5:01pm by Anonymous

math
a piece of ribbon is 4 1/2 feet long. a piece of blue ribbon is 1 yd long. How many feet longer is the piece of red ribbon than the piece of blue ribbon?
Thursday, March 24, 2011 at 7:16pm by Casey

physics
a wire 4m long carrying current of 5A place at right angle to B of 6web/m2 the force experience by the wire in SI unit is A LONG SPRING IS STRETCHED BY 2Cm and P.E stored in it is U if the string is stretched by 10 cm then the P.E stored would be
Tuesday, July 3, 2012 at 8:46am by palwasha

Math
A guy wire 11.2m long. It supports a vertical power pole. The wire is fastened to the ground 9.87m from the base of a 5.3m tall pole. Calculate the measure of the guy wire and the ground
Friday, August 31, 2012 at 1:41am by Danielle

math
A pipe is 42 inches long. It is to be cut into three pieces such that the longest is four times as long as the shortest and the middle-size piece is six inches longer than the shortest. How long is the middle-sized piece?
Friday, September 7, 2012 at 10:57pm by Anonymous

physics 2
A long wire carries a current of 1 ampere.Find the magnitude of the magnetic field 2 meter away from the wire.
Monday, September 24, 2012 at 11:09am by ace

physics
A wire 1 m long carrying a current of 12 A is at right angles to a magnetic field of 0.2 T.What is the magnitude of the force on the wire?
Sunday, May 20, 2012 at 2:10pm by gdl

Mathematics
A drinking straw of length 21 cm is cut into 3 pieces the length of the first piece is x cm the second piece is 3cm shorter than the 1st piece the third piece is twice as long as first piece (a) state in terms of x the length of the pieces (i think i figured that one out...1st...
Wednesday, July 4, 2012 at 3:49pm by INDIANA

algebra
a cable is cut into 2 pieces. One piece is twice as long as the other piece. Find the length of each piece of cable
Sunday, January 24, 2010 at 6:24pm by brooke

math
a carpenter was putting up a shelf. the shelf needed to be 87 centimeters long but the piece of wood she had was 1 meter and 28 centimeters long. her saw was 46 cm long. how much did she have to cut off the piece of wood?
Monday, November 28, 2011 at 6:47pm by princess

Math
A vertical tower is supported by guy wires anchored at a point on the ground. The longer wire is attached to the top of the tower and makes an angle of 53 with the ground. The shorter wire makes an angle of 21 with the ground. The shorter wire is 80 ft. long. Where would the ...
Saturday, November 17, 2012 at 3:04pm by Melia

algebra
A 30ft. cable is cut into 2 pieces. One piece is twice as long as the other piece. Find th length of each piece of the cable.
Sunday, January 24, 2010 at 9:11pm by brooke

math
A piece of metal 3 7/8 inches long is to be cute from a longer piece of 5 1/16 inches.What will be the length of the remaining piece?
Monday, March 9, 2009 at 2:10pm by Monique

physic
A long straight horizontal wire carries a current = 3.90 A to the left. A positive 1.00 C charge moves to the right at a distance 1.50 m above the wire at constant speed v = 5000 m/s. What is the magnitude of the magnetic field at the location of the charge due to the current-...
Thursday, March 8, 2012 at 1:33am by john

Physics
A 100 m long wire with a cross-sectional area of 4 mm2 has a resistance of 6 ohms. What is the resistivity of the material of the wire in Ùm?
Thursday, November 29, 2012 at 10:55am by Karl

physics
one gram of gold can be drawn into a wire 2.25 km long. What is the resistance of such a wire at 20°C?
Monday, October 17, 2011 at 12:57pm by Anonymous

math REALLY need help please
A guy wire is 11.2m long. It supports a vertical power pole. The wire is fastened to the ground 9.87m from the base of a 5.3m tall pole. Calculate the measure of the guy wire and the ground
Monday, September 10, 2012 at 2:48pm by Danielle D

Mathematic
. The number of vibrations per second made when a stretched wire is plucked varies directly as the square root of the tension in the wire and inversely as the length. If a 1.23 m long wire will vibrate 325 times each second when the tension is 115 N, determine the number of ...
Tuesday, November 22, 2011 at 10:35pm by Robert

Physics
Suppose that you wish to fabricate a uniform wire out of 1 g of copper. (Resistivity = 1.72*10^-8 Ohm-m, density = 8.94*10^3kg/m^3). If the wire is to have a resistance of R = 0.5 ohm and all of the copper is to be used, how long is the wire? a. 1765 m b. 1816 m c. 1.8 m d. 0....
Friday, March 1, 2013 at 12:22pm by John

physics
A wire that is 0.45 m long and carrying a current of 9.5 A is at right angles to a 0.40 T magnetic field. How strong is the force that acts on the wire?
Sunday, March 10, 2013 at 10:08am by Jeff

geometry
A guy wire is attached to the top of a 75 meter tower & meets the ground at a 65 degree angle. How long is the wire?
Wednesday, March 23, 2011 at 8:43pm by Abby

Physics
A 14.0 ohm resistor is made from a coil of copper wire whose total mass is 23.0 g. What is the diameter of the wire, and how long is it?
Sunday, February 6, 2011 at 2:45pm by George

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
How about: let the shortest piece be x cm <the shortest piece is 23 cm shorter than the longest piece> or the longest piece is 23 more than the shortest piece, so longest = x+23 <The longest piece is 3 times as long as the middle-sized piece> or the...
Friday, November 14, 2008 at 5:49pm by Reiny

Physics
A 48-cm-long wire with a mass of 11.0 g is under a tension of 50.5 N. Both ends of the wire are held rigidly while it is plucked. (a) What is the speed of the waves on the wire? (b) What is the fundamental frequency of the standing wave? The answers are 50.5 m/s and 48.9 Hz ...
Thursday, July 12, 2012 at 4:19pm by James

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 copper wire 0.40m long carries a current of 6.0A and weighs 0.35N. What strenght magnetic field is required to balance the weight of the wire?
Wednesday, May 5, 2010 at 3:49pm by Javier

Precalc
A tower is supported by a guy wire 610 ft long. If the wire makes an angle of 69 degrees with respect to the ground and the distance from the point where the wire is attached to the ground and the tower is 125 feet. a) State if the law of sines or cosines should be used for ...
Sunday, January 20, 2013 at 3:06pm by Mickey

physics
A long, straight wire has a 12.1 A current flowing in the positive x-direction, as shown in the figure. Close to the wire is a square loop of copper wire that carries a 2.23 A current in the direction shown. The near side of the loop is d = 57.1 cm away from the wire. The ...
Monday, December 10, 2012 at 7:42am by Anonymous

math
a 17 foot piece of string is cut into two pieces so that the longer piece is 5 feet longer than twice the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.
Wednesday, December 12, 2012 at 1:17am by mandy

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

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

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.

physics
A long straight wire is oriented in the z direction and carries a current I. A square loop with sides of length w is in the xz-plane with its nearest edge a distance d from the wire. In time of t, the square loop moves a distance of l closer to the wire. What is the emf ...
Tuesday, November 11, 2008 at 12:16am by sarah

Calculus
A piece of wire 40cm long is cut into two pieces. One piece is bent into the shape of a square and the other is bent into the shape of a circle. How should the wire be cut so that hte total area enclosed is a) a maximum? /b) a minimum? Perimeter of square = x Circumference of ...
Wednesday, January 20, 2010 at 9:31pm by sh

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