Tuesday

July 22, 2014

July 22, 2014

Number of results: 34,922

**physics**

A long thin rod is cut into two pieces, one being as long as the other. To the midpoint of piece A, piece B is attached perpendicularly, in order to form the inverted "T" shown in the figure. The application of a net external torque causes this object to rotate about axis 1 ...
*October 27, 2012 by jordan*

**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?
*November 13, 2013 by Anton*

**math**

The number of washers 3/32 inch thick that can be cut from a piece of stock 25 1/2 inches long, allowing 1/16 inch for waste for each cut is a. 160 b. 163 c. 260 d. 272 e. 408 please answer and explain
*April 13, 2014 by thomas*

**math**

Alog is cut into four pieces in 12 seconds. At the same rate, how long would it take to cut the log into five pieces? Hint the answer is not 15!
*December 3, 2009 by kathy*

**Math**

A 51 meter rope is cut into 2 pieces so that one piece is 6 meters longer than four times the shorter piece. Find the lengths of both pieces.
*September 19, 2012 by Kimberli*

**algebra math**

Lucas makes crosses out of a scrap piece of wood by cutting it into two pieces. He always makes the cut so that the cross piece is one-third the length of the vertical piece. If a length of scrap wood is 28 inches, what will be the length of each piece of the cross?
*March 10, 2013 by Anonymous*

**math**

from one piece of walnut, sam cut two 9 1/2 in. strips for 2 sides of a frame. he cut two 11 3/4 in. strips each for the other 2 sides. sam had 5 1/2 in. of walnut left. how long was the piece of walnut when he started?
*September 1, 2010 by mi*

**math**

from one piece of wood , Sam cut two 9 1/2 in. strips for 2 sides of a frame. He cut two 11 3/4 in . strips each for the other 2 sides Sam had 5 1/2 in.of wood left. How long was the piece of wood when he started ?
*April 18, 2012 by melissa*

**math**

Marissa plans to cut a wire that is 5 feet 3 inches long. How long should each of the cut pieces be if she wants 7 equal pieces of wire? Find the twenty-second term of an arithmetic sequence if the first term is 4 and the common difference is 10. Find the twenty-second term of...
*April 19, 2010 by joe*

**math**

The number of washers 3/32 inch thick that can be cut from a piece of stock 25 1/2 inches long, allowing 1/16 inch for waste for each cut is (A) 160 (B) 163 (C) 260 (D) 272 (E) 408 not just answer, please tell me how to do it
*August 3, 2013 by vincent*

**Algebra**

Kate cut a 100-foot rope into two pieces. One piece was 5 feet longer than 4 times the length of the other. Find the length of each piece.
*August 26, 2010 by Jacob*

**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 ...
*November 14, 2013 by Anonymous*

**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)
*October 15, 2011 by alya*

**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? ...
*November 15, 2013 by Abdu*

**Math**

Benita has 3 ropes measuring 54 centimeters, 108 centimeters and 189 centimeters. She cuts all of them into equal pieces. The length of each piece is the longest possible length she can cut. What is the length of each piece of cut rope? How many pieces of rope does Benita get?
*October 22, 2013 by Tam*

**Math**

A 3-foot piece of wood is cut into two equal sections. How long is each section in inches? a. 9 inches b. 18 inches c. 27 inches d. 36 inches
*March 25, 2014 by Anonymous*

**math 5th**

Jenna had 24.5 yards of lace. She cut it into pieces of equal length between 2 and 4 yards long. The pieces are multiples of 0.5 yard in length. How long is each piece? How many pieces does she have? Thank you,have a nice weekend.
*October 30, 2009 by Please Please Help *

**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...
*February 7, 2014 by Anonymous*

**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!
*November 22, 2010 by Trisha*

**Math 2**

Issac has a piece of rope that is 5 yards long. Into how many 1/2 yard pieces of rope can Issac cut the rope? Please help answer thx
*May 13, 2014 by Jenny 2*

**Algebra**

The ratio of the lengths of two pieces of ribbon is 1:3. If 4 ft were cut from each piece, the sum of the new lengths would be 4 ft. How long would each piece be ?
*July 30, 2011 by Gaby*

**geometery**

how long does a piece of wire need to measure to get 18" diameter?
*July 31, 2012 by Rita*

**chemistry**

A sample of copper metal containing 7.738*10^24 atoms is drawn into a cylindrical wire with radius r = 0.625 mm . How long must the wire be in meters?
*April 24, 2013 by joe*

**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 ...
*November 13, 2013 by Anonymous*

**math**

Julia solved this problem. Peter had a strip of leather 58.8 cm long. He cut the strip of leather into 6 equal-length pieces. How long was each piece of leather? Julia said the answer was 0.98 cm. Is Julia's answer reasonable?
*November 21, 2013 by kill'n-yola*

**math**

John wants to put a lace edge around a square piece of cloth. If the cloth is 4 inches wide on one side, how long of a piece of lace should Melina cut?
*February 5, 2012 by Kelsey*

**math**

a piece of string is cut in half, so that one half can be used to tie newspapers, one third of the remaining string is cut off to tie a parcel. the leftover string is 2m long. how long was the whole string
*September 22, 2009 by professor kitty*

**math**

I have a flat piece of plywood that measures 45 inches in width and 75 inches in length. I want to cut the board into identical square pieces with the integer side lengths and use the entire piece of wood. What are the dimensions (width & length) of each identical piece? ...
*March 27, 2014 by He who should not be named*

**Math**

a factory has a machine which bends wire at a rate of 8 units of curvature per second. how long does it take to bend a straight wire into a circle of radius 5?
*September 24, 2012 by James*

**chemistry**

A sample of aluminum metal containing 9.1080 x 10 to the 25 power atoms is drawn into a cylindrical wire with radius r=0.833 mm. how long must the wire be in meters?
*February 2, 2014 by tricia*

**alegbra**

A 49 foot pipe is cut into two pieces. If one piece has a length of y feet, what is the length, in feet, of the other piece?
*August 18, 2011 by danielle*

**math**

A log is cut into 4 pieces in 12 seconds. At the same rate how long would it take to cut the log into 5 pieces? HINT: the answer is not 15
*December 2, 2008 by Dezy*

**physics**

The four wires that lie at the corners of a square of side a= 5.60 cm are carrying equal currents i= 1.80 A into (+) or out of (-) the page, as shown in the picture. Calculate the x-component of the force on a 1.0-cm long piece of the lower right-hand wire, due to the other ...
*March 28, 2011 by Matt*

**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, ...
*October 11, 2007 by Mary*

**Math**

A board is 6 3/4 feet long.If 2/3 of the board is cut off, what is the length of the piece that is cut off.
*February 5, 2014 by Nicole*

**Meters**

Vincent has cut three pieces of rope to complete a science project. Two pieces are of equal length. The third piece is one-quarter the length of each rope of the others. He cut the three pieces from a rope 54 meters long with any rope left over. Fine the answer of meters in ...
*February 3, 2010 by Camile*

**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?
*December 2, 2012 by nelly*

**algebra**

Jennifer cut a board 2 m long into two pieces. One piece is 24 cm shorter than the other. Find the length of each piece. A group of backpackers hiked 38 km over three days. The first day, they hiked 1 km less than 3 times as far as the second day. The third day, they hiked 2 ...
*May 28, 2008 by Heather M*

**math**

how many 1/3 inch ribbons can be cut from a piece of ribbon that is 4 and 1/3 inches long?
*September 16, 2012 by kelsey*

**math (find height)**

A piece of construction paper is .01mm thick. It is cut in half and one piece is placed on top of the other to make a pile. These are cut in half, and all four pieces are placed in a pile. These four are cut in half and placed in a pile, and the process is continued. After the...
*September 22, 2007 by anonymous*

**maths**

An iron rod when cut into pieces each of 30 cm length, a piece of 7 cm is left out. However, if each piece is of 28 cm length, a piece of 5 cm is left out. What is the length of the shortest such rod?
*March 26, 2013 by chandana*

**math **

Justin cuts a piece of wood measuring 5 3/8 inches into two equal pieces how long is each piece
*September 12, 2012 by Jill *

**math **

If i have a piece of pipe that is half a yard long and it's divided into 5 pieces what is the length of each piece in yards?
*February 13, 2013 by joshua*

**Math**

A piece of wood is 8 ft long is to be divided into two pieces where one of the two is twice as long as two feet less than the other piece. What are the sizes of the two parts
*March 12, 2013 by Yanim*

**Calculus**

Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 3 ft by 4 ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the largest box that can be formed in this way.
*November 4, 2012 by Allison*

**math**

a rope is cut into two pieces. one has a length of 37 feet. if the other piece has a length of x what was the total lengh of rope in feet before it was cut?
*September 19, 2012 by kim*

**math**

If a board 4 ft.X 8 ft. was cut into 50 pieces, what size would each piece be?
*August 16, 2012 by Jan*

**Math**

James has a square piece of paper. He wants to cut it into strips of equal width. He says, This piece of paper is about 48 cm wide. How can he find the width of each strip without measuring? Is this width accurate?
*May 28, 2014 by Question*

**math**

Tony has a piece of wire 36 inches long.He bent it into a quadrilateral with sides of equal length and angles of equal measure. (Part A) Classify the quadrilateral.Give all the names that fit. (Part B) Justify your answer with evidence.
*September 21, 2011 by Johnny*

**math**

Tony has a piece of wire 36 inches long. He bent it into a quadrilateral with sides of equal length and angles of equal measure. (Part A) Classify the quadrilateral. Give all the names that fit. (Part B) Justify your answer with evidence.
*September 23, 2011 by Johnny*

**math**

In order for you to put down new sod in the front yard you will need 5400 pieces of sod. Each sod piece is cut into one foot squares. If your yard is 60ft wide , how long is the yard.?
*February 25, 2013 by kelly*

**Math**

A piece plywood 24 inches wide is cut into strips 2 and a half inches wide, how many strips of this with can be cut. Please help,7th grade.
*October 5, 2012 by Barry*

**algebra 2**

i have a piece of wood 72 inches long i cut it into 3 peices. the 2nd peice is 6 inches longer than the 1st the third id 6 inches longer than the 2nd. write and equation and solve??
*August 6, 2009 by bandit*

**Math**

Jenna is cutting ribbon to make bows. She has two lengths of ribbon, one 24 inches long and one 36 inches long. She wants to cut the ribbon into equal lengths and not have any ribbon left over> Into what lengths can she cut the ribbon?
*October 15, 2013 by Victoria*

**chemistry**

There is a ball with a mass of 1000 lbs. It's turned into wire with a diameter of 3.12 x 10^-1 How long is the wire? This is my crazy chemistry teacher's idea of a test...and I don't even think there's a solution. HELP ME
*October 3, 2011 by Molly*

**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
*February 25, 2013 by Zell*

**Math **

A piece of paper is cut into 25 equal parts that are similar in shape to the original. what is the perimeter of one of the small pieces divided by the perimeter of the original piece of paper?
*July 23, 2012 by Sarah*

**math 2**

a plimber has a 2 meter length of pipe. he needs to cut it into sections that are 10 centimeters long, how many sections will he be able to cut?
*February 19, 2014 by kimmy plus*

**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 ...
*January 27, 2014 by Dee*

**math**

a 45 inch rope is cut into 3 pieces. the first piece of rope is 3 inches longer than the other pieces of rope. what is the length of the longest piece of rope.
*October 3, 2012 by Arthur*

**math**

Sheila is going to divide a 36-inch piece of ribbon into 5 equal pieces.She says each piece will be 7 inches long.whats the error?
*November 12, 2013 by bob*

**Calc**

A 100 inch piece of wire is divided into 2 pieces and each piece is bent into a square. How should this be done in order of minimize the sum of the areas of the 2 squares? a) express the sum of the areas of the squares in terms of the lengths of x and y of the 2 pieces b) what...
*November 16, 2010 by katie*

**maths**

A Plank of Wood 6 m Long is cut in the ratio 1:5. find the length of the Longer Piece in centimetres.
*March 4, 2013 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?
*September 8, 2010 by byy*

**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?
*March 20, 2011 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?
*March 22, 2011 by maria*

**Typing**

If you cut a letter-sized document into 4 equal pieces (4-up), what are the dimensions of each piece?
*March 14, 2011 by Alex*

**Algebra**

For their homecoming parade the students of U-Math have created a colorful banner, 53 meters in length, that is made of two pieces of parachute material. The short piece is 19 meters shorter then the long piece. Find the Length of each piece. Length of the long piece = Length ...
*May 7, 2014 by Christopher*

**math**

A board is 244 inches long, is cut into pieces that are 7 5/8 inches long. How many pieces can be cut?
*January 13, 2013 by Debra*

**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 ...
*September 9, 2007 by Julissa*

**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?
*March 10, 2013 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?
*March 10, 2013 by Jeff*

**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
*March 4, 2012 by h*

**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?
*March 10, 2013 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?
*March 11, 2013 by Billy*

**Algebra**

Erin has three more dimes than nickles and twice as many quarters as dimes. she has a total of $5.05 How many of each type of coin does Erin have 5.05= 2q-d-3d-n A Piece of rope that is 63 meters long is cut into three pieces such that the second piece is twice as long as the ...
*March 5, 2014 by Chelsey*

**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.
*April 8, 2013 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.
*April 8, 2013 by bud*

**physics numerical**

a long horizontal wire is rigidly placed, carrying a current of 50a. another parallel long wire carrying a current of 40a is just supported above it.determine the distance between them at which the upper wire can be just supported by magnetic repulsion itself.(weight of upper ...
*October 20, 2011 by brock*

**Algebra**

Write the other number or expression in terms of the given variable. A 3 foot board is cut into two pieces. If one piece measures x write the expression for the length of the other piece. Ok now I know the first term is 2x correct? where do I go from here?
*May 7, 2014 by Christopher*

**Math**

A gold bar is exactly 31 cm long. You want to cut the bar into smaller segments so that one or a combination of segments can add up to every whole number of centimeters from 1 to 31. What is the least number of cuts you could make and what are the lengths of each smaller piece?
*May 28, 2013 by Ginny*

**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?
*March 23, 2010 by Physics*

**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?
*October 24, 2011 by fiko*

**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?
*July 19, 2012 by lanre*

**Math**

lisa cut a log into 4 pieces in 6 minutes. she then cut a smaller log into 8 pieces. how long should the job have taken if she worked at the same rate she had worked when cutting the first log? show all work and prove your answer.
*October 31, 2010 by DIana *

**geometry**

A guy wire is used to stabilize a utility pole. The wire is fastened to the pole 25 feet above the ground, and staked into the ground 4 feet from the base of the pole. (No stand-offs are used, the wire goes directly from the pole to the ground stake.) Someone recommends that ...
*October 14, 2009 by Jalysa *

**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...
*March 13, 2010 by Jane*

**Math**

A piece of cardboard has a length of 60cm and a width of 40cm. In order to make the cardboard into an open box, a box with no lid), a piece of length x must be cut out of each corner. Write an equation to represent each dimension of the box.
*July 26, 2011 by Kate*

**Maths**

a rectangular piece of paper has length=14cm and breadth=12cm. A square piece of paper of perimeter 24 cm is cut off from it. what is the area of the piece of paper left
*February 11, 2014 by Swetha*

**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!
*March 23, 2010 by Physics*

**Math **

A circular piece of wire has a radius of 12 cm. This is cut then bent to form an arc of a circle whose radius is 60 cm. Find the angle subtended at the centre by this arc. Give your answer to the nearest degree. Please show working out Thank you so much!
*December 9, 2011 by Candice*

**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 ...
*March 15, 2010 by mm.*

**math**

Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each be Let the shorter board's length be x. The other will be x+10. x + x + 10 = 98 2x = 88 Solve that for x x+x+...
*March 17, 2007 by cheryl*

**math**

Cutting a piece of rope into fourths. Each piece is 16 inches long what is the length of the entire rope
*January 23, 2014 by rich*

**math**

Rachel cut a length of rope 4 1/3 meters into two pieces. The length of one piece of rope is 2 1/2 meters. What is the length of the second piece of rope. Please answer and explain.
*April 3, 2013 by Anonymous*

**Physics**

When a metal pipe is cut into two pieces, the lowest resonance frequency in one piece is 244Hz and that for the other is 454Hz. What resonant frequency would have been produced by the original length of pipe? (Assume the speed of sound in air is 345 m/s) b). How long was the ...
*November 30, 2012 by Ann*

**Math **

A piece of wire 64 cm long is bent to form a rhombus.What is the length of each side of the rhombus
*April 16, 2013 by Angela*

**7th grade math help Ms.Sue please ASAP**

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21 15 8 6 3. Which ...
*October 24, 2012 by Delilah*

**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...
*March 2, 2008 by jenish*

**Physics**

A 2.00 cm x 2.00 cm square loop of wire with resistance 1.30×10^−2 Ohms is parallel to a long straight wire. The near edge of the loop is 1.00 cm from the wire. The current in the wire is increasing at the rate of 110 A/s. What is the current in the loop?
*April 13, 2008 by Manda*

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