# Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18

40,002 questions, page 51-
## Math

Which example describes measuring area? A. Measuring the height of the grass in a field B. Measuring the length around a field of grass C. Measuring the length from one end of a field to the other D. Measuring the amount of space that a field of grass

*asked by grapes:>> on October 13, 2017* -
## Math

A blue rope is three times as long as a red rope. A green rope is 5 times as long as the blue rope. If the total length lf the three ropes is 508.26 meters, what is the length of the blue rope?

*asked by Anonymous on January 16, 2015* -
## Physics

In my lab of linear expansion, I need to find out the coefficient of linear expansion. The data I got for an aluminum rod are initial length is 59.7cm, the change in length is 95mm, the change in temperature is 75.4 Celsius degrees. I converted 59.7cm to

*asked by Lynn on June 13, 2011* -
## Algerbra

Can anyone help me on these two problems also. I am getting so confused and tired. The length of a rectangle is fixed at 27cm. What lengths will make the perimeter greater than 100cm? also this problem Trians A and B are traveling in the same direction on

*asked by Kim on January 25, 2009* -
## Southern Union

A large building has an inclined roof. The length of the roof is 64.0 m and the angle of the roof is 20.0° below horizontal. A worker on the roof lets go of a hammer from the peak of the roof. Starting from rest, it slides down the entire length of the

*asked by Mary Anne on February 8, 2014* -
## physics

A large building has an inclined roof. The length of the roof is 69.5 m and the angle of the roof is 18.0° below horizontal. A worker on the roof lets go of a hammer from the peak of the roof. Starting from rest, it slides down the entire length of the

*asked by Anonymous on April 3, 2013* -
## physics

a very light rigid rod with a length of .500m extends straight out from one end of a meterstick. the meterstick is suspended from a pivot at the far end of the rod and is set into oscillation. determine the period of oscillation (hint: use the

*asked by Mischa on December 4, 2008* -
## Morales

A black rectangular box is 8 inches longer than it is wide. A green rectangle box is 3 inches wider than the black box but it has the same length. The area of the green box is 39 square inches more than the area of the black box.

*asked by Bob on November 16, 2016* -
## Morales

A black rectangular box is 8 inches longer than it is wide. A green rectangle box is 3 inches wider than the black box but it has the same length. The area of the green box is 39 square inches more than the area of the black box.

*asked by Bob on November 17, 2016* -
## Algebra 1

Your school wants to take out an ad in the paper congratulating the basketball team on a successful season, as shown to the right. The area of the photo will be half the area of the entire ad. What is the value of x? Round answer to nearest hundredth. Use

*asked by Anon on November 5, 2018* -
## physics

A 20. kg block is placed at the top of a 10. meter-long inclined plane. The block starts from rest and slides without friction down the length of the incline. (A diagram shows a height of 5.0 m, the 10. m length of incline/hypotenuse and the 20. kg block

*asked by Sejul on March 20, 2011* -
## Math

The average length of a Rufous hummingbird is 3 1/2 inches. The average length of a Broad tailed hummingbird is 4 1/2 inches. How much shorter is the Rufous hummingbird? 1?

*asked by Jerald on October 25, 2012* -
## geometry

points a b and c are collinear if the distance from point a to point b is 8 more than twice the distance from point b to point c and the length of segment ac is 5 times the length of segment of bc, how long is segment ac

*asked by Anonymous on September 18, 2011* -
## physics

A ball is dropped from an upper floor, some unknown distance above your apartment. As you look out of your window, which is 1.5 m tall, you observe that it takes the ball 0.18 seconds to traverse the length of the window. Determine how high above the top

*asked by ryan on January 30, 2015* -
## math

give me an answer . Chris has a 10 foot long strip of red ribbon and a 15 foot long strip of blue ribbon. draw a diagram to show the relationship of the length of the red ribbon to the length of the blue ribbon

*asked by Anonymous on September 5, 2016* -
## Math

A jewelry box is designed such that its length is twice its width and its depth is 2 inches less than its width. The volume of the box is 64 cubic inches. Use synthetic division to find the roots of the polynomial equation. Are the roots all rational

*asked by Anonymous on November 17, 2014* -
## Math-trigonometry

Please help me with the steps !i don't understand this. The working arm of a tower crane is 192m high and has a length of 71.6 m. Suppose the hook reaches the ground and moves along the arm of the trolley, a) determine max distance from hook to operator

*asked by Cherie on October 8, 2014* -
## calculus

The length l of a rectangle is decrasing at a rate of 5 cm/sec while the width w is increasing at a rate of 2 cm/sec. When l = 15 cm and w = 7 cm, find the following rates of change: The rate of change of the area: Answer = cm^2/sec. The rate of change of

*asked by Avi on September 27, 2012* -
## math

Rectangle ABCD is 12 inches long and has a perimeter of 54 inches. Rectangle LMNO is similar to rectangle ABCD and is 2.4 feet long. What is the width of the rectangle LMNO?

*asked by scott on January 27, 2011* -
## MATH

The perimeter of a rectangle is 540ft. Let x represent the width of the rectangle. Write a quadratic function for the area of rectangle in terms of its width. Find the vertex of the graph of the quadratic function and interpret its meaning in the context

*asked by Anonymous on June 8, 2014* -
## Population growth

The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P = Aekt where A and k are constants. (a) With the aid of appropriate examples, explain

*asked by Sinha on June 22, 2012* -
## geometry

Hexagon A is a regular hexagon. The total length of all the sides of the hexagon is 24 inches. Hexagon A is dilated about its center to create Hexagon B. The length of each side of Hexagon B is inches. By what factor was Hexagon A dilated to create Hexagon

*asked by jessica on April 22, 2012* -
## algebra

The formula to approximate the hieght (h) of a male, in inches, is shown below, where t is the length of the tibia bone, in inches. h=2.4t+32.2 Paul's height is 69.4 inches. What is the approximate length, in inches, of paul's tibia bone?

*asked by curtina blue on September 22, 2010* -
## Iteration (repetition) Srtucture

Design a program that models the worm's behavior in the following scenario: A worm is moving toward an apple. Each time it moves, the worm cuts the distance between itself and the apple by its own body length until the worm is close enough to enter the

*asked by Anonymous on May 29, 2008* -
## Algebra

The three and one-half mile long Union Pacific train is about 2 1 2 times the length of a typical freight train. How long is a typical freight train? x - length of typical train 3.5 mi = 2.5x 3.5/2.5=x x=1.4 mi

*asked by Carol on August 29, 2016* -
## Math

Bernadette cuts a piece of fabric into four pieces of the same length. After she cuts off 3 feet from one of the pieces, she is left with a piece that is 2 feet long. What is the length of the piece of a fabric she started with?

*asked by Anne on August 11, 2016* -
## Calculus

A rectangle has a diagonal of 8cm. The diagonal creates a 60 degrees angle at the base of the rectangle. Write an exact expression for the base and the height of the rectangle. ^^ Don't get how to do that, Ive only drawn a triangular diagram, and im

*asked by -Untamed- on October 24, 2011* -
## geometry

Lara wrote the statements shown in the chart. Statement One: If two lines intersect, then they intersect at exactly one point Statement Two: In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the length of

*asked by Sam on September 25, 2011* -
## Trigonometry

Gabe is spending two weeks on an archaeological dig. He finds a fragment of a circular plate that his leader thinks may be valuable. The arc length of the fragment is about 1/6 the circumference of the original complete plate and measures 1.65 inches. A

*asked by Anonymous on April 19, 2010* -
## math

Lara wrote the statements shown in the chart. Statement One: If two lines intersect, then they intersect at exactly one point Statement Two: In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the length of

*asked by Please Help Me on September 29, 2011* -
## Physics.

The figure below shows an arrangement of 15 identical disks that have been glued together in a rod-like shape of length L = 1.4500 m and (total) mass M = 135.000 g. The arrangement can rotate about a perpendicular axis through its central disk at point O.

*asked by Jake on March 4, 2010* -
## Physics

For voltage variation with length, in using a slide meter, the wire resistance varies linearly with length as Rx = resistivity/Area. Since the voltage and resistance are related with ohm's law, Vx= iRx, the current is the same alog all pts. along the slide

*asked by Matt on April 26, 2010* -
## math plz heeeeelp!!!

Could you plz help explain how to do this short answer? a glass box has a width of 7, a length of 9, and a height of 12 it is put in a larger box with a width of 10, a length of 10, and a height of 15. the space between the glass box and the big box will

*asked by ShannonPanda on March 14, 2018* -
## investments

Smart, sophisticated investors don't usually put much money in mutual funds. Some buy on margin and borrow from their brokers. Investment advisors usually appeal to less sophisticated investors. Breadth of market shows which stocks are advancing and which

*asked by Ms. Sue on July 17, 2007* -
## finance

Smart, sophisticated investors don't usually put much money in mutual funds. Some buy on margin and borrow from their brokers. Investment advisors usually appeal to less sophisticated investors. Breadth of market shows which stocks are advancing and which

*asked by Ms. Sue on July 16, 2007* -
## Physics

A river has a steady speed of 0.500 m/s.A student swims upstream a distane of 1.00 km and swims back to the starting point. If the student can swim at a speed of 1.20 m/s in still water, how long does the trip take? How much time is required in still water

*asked by Anonymous on February 13, 2014* -
## math

Rihanna planned a rectangular courtyard for a park and made a scale drawing using inches as the unit of measurement. She originally planned for the length of the actual courtyard to be 54 feet, but she decided to change it to 72 feet. If the length of the

*asked by Brianna on September 7, 2016* -
## Algebra

1.The coordinates of rectangle ABCD are A(2, 2), B(2, 5), C(6, 5), and D(6, 2). Using rectangle ABCD, find the coordinates of the rectangle that results when the center of dilation is the origin and ABCD is dilated by a scale factor of 3.

*asked by Darth on March 9, 2017* -
## Physics

Optics/Lens problem. Is the image real or virtual? A converging lens of focal length f1 = +22 .5cm is placed at a distance d = 60 .0cmtotheleft of a diverging lens of focal length f2 = −30.0cm. An object is placed on the common optical axis of the two

*asked by Anon on March 21, 2018* -
## Dressmaking

They threw me in this class & I know nothing about sewing..im a guy lol. please help me? Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a short-sleeve jacket. She has selected a lilac linen

*asked by Mike on January 12, 2011* -
## Gemotry

On a sunny day object a has a shadow of length 3 meters and a meter stick has a shadow of 1.5 meters while object b has a shadow of length 6 meter how tall are object a & B

*asked by ahh help on March 5, 2012* -
## catering

Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a short-sleeve jacket. She has selected a lilac linen fabric that comes in 36-in. width. You make a pattern for the dress and record the following

*asked by parri on April 28, 2010* -
## math help please

a plane intersects a right rectangle prism perpendicular to its base .The plane forms cross section.What is the shape of the cross section? a)parallelogram,that is not a rectangle b)triangle,that is not equilateral c)trapezoid d)rectangle

*asked by betty on March 9, 2016* -
## Calculus

For the parabola y^2=4px, where p, the focal length, is a constant, the focal point, f(p,0), is on the x-axis. Point S is 10 units from the point F and the segment SF makes a 60degree angle with the x-axis. The slope of segment TF is twice the negative of

*asked by Anon on May 11, 2014* -
## Math

htps://www.connexus.com/content/media/478540-3192012-124512-PM-1007865319.png (just add another t to ht(t)ps) Which rectangle has the longer perimeter and how much longer is it? A. The rectangle's perimeter is 6 cm longer than the square's perimeter B. The

*asked by Weather on February 21, 2019* -
## Physics

The drawing shows an equilateral triangle, each side of which has a length of 2.20 cm. Point charges are fixed to each corner, as shown. The 4.00 µC charge experiences a net force due to the charges qA and qB. This net force points vertically downward and

*asked by Joe Santhosh on March 24, 2014* -
## physics

A simple pendulum consists of a ball of mass 5.39 kg hanging from a uniform string of mass 0.0789 g and length L. The period of oscilla- tion for the pendulum is 2.51 s. Determine the speed of a transverse wave in the string when the pendulum is station-

*asked by ryan on June 20, 2011* -
## physics

a plank of mass 5kg is placed on a frictionless horizontal table. further a block of mass 2kg is placed over the plank. A mass-less spring of natural length 2m is fixed to the plank by its one end. The other end of spring is compressed by the block by half

*asked by jessy on January 16, 2011* -
## physics

a plank of mass 5kg is placed on a frictionless horizontal table. further a block of mass 2kg is placed over the plank. A mass-less spring of natural length 2m is fixed to the plank by its one end. The other end of spring is compressed by the block by half

*asked by sreeram on January 16, 2011* -
## Calculus- Vectors

I've come across this math problem and need help on working it out. Ropes 3 m and 5 m in length are fastened to a holiday decoration that is suspended over a town square. The decoration has a mass of 5 kg. The ropes, fastened at different heights, make

*asked by Anonymous on April 4, 2013* -
## physics

at the instant shown, the 50 lb bar rotates clockwise 2 rad/s. The spring attached to its end always remains vertical due to the roller guide at C. If the spring has an unstretched length of 2 ft and a stiffness of k=6lb/ft, determine the angular velovity

*asked by Anthony on May 1, 2011* -
## Math

The area of a rectangle is 220 square centimeters. The height of the rectangle is two more than twice the base. What is the rectangle's perimeter? I know you can solve this employing a guess-and-check strategy, but I want to know if this can be solved

*asked by Chadd on May 9, 2007* -
## Math

A farmer needs to enclose three sides of a pasture with a fence (the fourth side is a river). The farmer has 42 meters of fence and wants the pasture to have an area of 220 sq-meters. What should the dimensions of the pasture be? (For the purpose of this

*asked by Taylor on February 29, 2012* -
## Algebra

The surface area of a cube can be found using the formula A = 6s^2 where A represents the surface area of the cube and s represents the length of one edge. My teacher wants me to draw a cube that has a length of at least 5 inches. She also wants to know

*asked by Sue on October 12, 2014* -
## math

The boundary of a park is shaped like a circle. The park has a rectangular playground in the center and 2 square flower beds, one on each side of the playground. The length of the playground is l and its width is w. The length of each side of the flower

*asked by desaray on May 1, 2015* -
## Algebra

I needed help with these problems: 1.Charles wants to dig a rectangular flower bed which is twice as long as it is wide. Let x be the number in feet in width. If you are given a width for the rectangle, would you evaluate the expression or write an

*asked by Jillian on August 21, 2008* -
## Math

An artist drew a painting with similar rectangles with whole- number dimensions in inches. the small rectangle is 8 inches by 3 inches. One dimension of the medium rectangle is 9 inches. One dimension of the large rectangle is 32 inches. A. find the

*asked by Jay on April 17, 2015* -
## Math

An artist drew a painting with similar rectangles with whole-number dimensions in inches. The small rectangle is 8 inches by 3 inches. One dimension of the medium rectangle is 9 inches. One dimension of the large rectangle is 32 inches. a. find the

*asked by Jay on April 18, 2015* -
## Chemistry (Check)

Classify each of these statements as always true, sometimes true or never true. __NT___11. The SI base unit of mass is the milliliter. __AT___12. A decigram is 100 times smaller than a gram. ___ST__13. The SI unit of volume is derived from the unit of

*asked by Bryan on January 18, 2007* -
## math

A passenger train travelled at an average speed of 72 km/h. A man on the passenger train observed a goods train, which was travelling at a speed of 54 km/h, in the on-coming direction. If the goods train passed him in 10 seconds, find the length of the

*asked by Im on September 3, 2012* -
## Math

Can you also help me with another one, it has a cone on top of a cylinder The cones slant height is 6in The cones length(radius) is 4 in The cones height is not known The cylinders height is 7 in The cylinders length(radius) is also 4 in The radius is half

*asked by Ayan on January 26, 2016* -
## Physics

If a note was "fretted", by reducing the length of the string to 0.25 m, then the lowest frequency note this string could play is? in Hertz I am not certain of the term fretted. The lowest frequency will be the longest wavelength, so that normally means

*asked by Allie on November 11, 2006* -
## Physics

A vector drawn 55 mm long represents a velocity of 25 m/s. How long should you draw a vector to represent a velocity of 17 m/s? please help me!! 55mm is to 25m/s as X is to 17m/s...maybe? thanks..i tried that and the answer was wrong...these questions are

*asked by Katelyn on September 26, 2006* -
## Algebra 1

You are designing a wall mural that will be composed of squares of different sizes. One of the requirements of your design is that the side length of each square is itself a perfect square. 1. If you represent the side length of a square as x^2, write an

*asked by Jynessa on December 4, 2013* -
## Physics

If a 1.75 m tall man is looking at a plane mirror from an eye which is 15 cm from the top of their head, what is the minimum length that the mirror must be so that he can just barely see his whole body in the mirror? How far up from the ground must the

*asked by Fred on February 18, 2009* -
## Algebra 2

A box with no top is to be constructed from a piece of cardboard whose length measures 12 inches more than its width. the box is formed by cutting squares that measures 4 inches on each sides from 4 corners and then folding up the sides. If the volume of

*asked by April on March 15, 2013* -
## math

two angles in a triangle measure degreeand 38. the longest side is 24cm longer than the shortest side. write to explain how you would determine the length of the shortest side. can i use sin law or the cosine law.pls. explain..

*asked by geekgirl95 on July 11, 2011* -
## Physics

A uniform beam of length L = 7.80 m and weight 4.05 102 N is carried by two workers, Sam and Joe, as shown in the figure below. Determine the force that each person exerts on the beam. (Sam is 1m from one end of beam and joe is 2m from the opposite end.)

*asked by Jamie on July 30, 2013* -
## geomerty

Paint Roller A has a length of 12 in. and a diameter of 2 in. Paint Roller B has a length of 8 in. and a diameter of 3 in. Which roller can spread more paint on a wall in one revolution

*asked by Hannah on May 26, 2013* -
## Materials Science

A hollow cylinder with outer radius r0 and inner radius ri is loaded by a uniformly distributed load q across its length L. The beam is supported by a roller at its left end and a pin L5 from its right end. What is the maximum bending moment in the beam?

*asked by qwerty on October 17, 2014* -
## physics

A mass of 300 g is attached to a string that is 1.21 m in length. The mass is whirled in a horizontal circle on a surface and completes 7.00 rotations in a time of 2.71 s. The force of tension in the string is 92.7 N. Determine the force of friction

*asked by myra on April 25, 2012* -
## math

A rectangular lot is bordered on one side by a stream and on the other 3 sides by 600m of fencing. The area is a maximum. Determine the area. What are the length and width of the lot with the maximum area. State the domain. State the range

*asked by Anonymous on December 4, 2018* -
## Calculus optimization

A rectangular storage container with a lid is to have a volume of 8 m. The length of its base is twice the width. Material for the base costs $4 per m. Material for the sides and lid costs $8 per m. Find the dimensions of the container which will minimize

*asked by A on November 20, 2011* -
## HELP!! OPTIMIZATION CALCULUS

A rectangular storage container with a lid is to have a volume of 8 m. The length of its base is twice the width. Material for the base costs $4 per m. Material for the sides and lid costs $8 per m. Find the dimensions of the container which will minimize

*asked by Kay on November 23, 2011* -
## Calculus

A rectangular storage container with an open top is to have a volume of 10 m3. The length of its base is twice the width. Material for the base costs $9 per m2. Material for the sides costs $150 per m2. Find the dimensions of the container which will

*asked by Emily on November 26, 2017* -
## Physics 203

A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0 m. The cylinder arrives at the bottom of the plane 2.7 s after the sphere. Determine the angle between the inclined plane and

*asked by Kayla on April 9, 2011* -
## Physics C: Mechanics

A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0 m. The cylinder arrives at the bottom of the plane 2.6 s after the sphere. Determine the angle between the inclined plane and

*asked by Kani on November 13, 2016* -
## Physics 203

A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0 m. The cylinder arrives at the bottom of the plane 2.7 s after the sphere. Determine the angle between the inclined plane and

*asked by Kayla on April 6, 2011* -
## physics

Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. The length of each rod is 0.85 m, and the mass of each is 0.077 kg. One rod is held in place above the ground, while the other

*asked by Jenny on May 8, 2012* -
## Physics

A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0 m. The cylinder arrives at the bottom of the plane 2.7 s after the sphere. Determine the angle between the inclined plane and

*asked by Kayla on April 6, 2011* -
## algebra

Samantha's homework is to determine the dimensions of her rectangular backyard. She knows that the length is 10 feet more than the width, and the total area is 144 square feet. Write an equation that Samantha could use to solve this problem. Then find the

*asked by Anonymous on February 10, 2011* -
## Physic

Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

*asked by Alia on January 27, 2014* -
## Physic II

Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

*asked by sakne67 on January 26, 2014* -
## physic

Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

*asked by sila on January 29, 2014* -
## Chemistry

Rank the carbon-carbon bonds in order of decreasing bond length. Rank carbon-carbon bonds from highest bond length to lowest. To rank bonds as equivalent, overlap them. 1,2,3

*asked by Caitlin on October 11, 2011* -
## Physics

A spring with k = 54 N/cm is initially stretched 1 cm from its equilibrium length. (a) How much more energy is needed to further stretch the spring to 2 cm beyond its equilibrium length? (b) From this new position, how much energy is needed to compress the

*asked by Kelly on June 2, 2012* -
## Math (check answers)

ultiple Choice 1. What is a reasonable distance between two cities? (1 point) 200 km ** 200 m 200 cm 200 mm 2. Which value correctly completes the statement? 6,501.5 km = ______ m (1 point) 6,501,500 ** 65,015 650,150,000 650.15 3. Find the perimeter of

*asked by maggie on March 27, 2017* -
## science

In the system shown in the figure , block A has mass m_A = 2.08 kg, block B has mass m_B = 0.370 kg, and the rope connecting them has a nonzero mass 0.203 kg. The rope has a total length 1.03 m and the pulley has a very small radius. Let d be the length of

*asked by Will on January 18, 2011* -
## CALCULUS

The region R is a rectangle with vertices P(a,lna), Q(a,0), S(3,0), and T(3,lna), where 1

*asked by Anonymous on May 5, 2012* -
## buissness math

Determine the amount of interest charged on S. Carter's account during the second month. S. Carter's account Principal: $1,604 Rate: 10% compound Length of period: month Second month's interest: _________ $13.48 $160.40 $16.04

*asked by morgan on October 26, 2011* -
## trig

A slide is attached to the side of a tree house. The height of the tree house is 6 less than double the distance from the baswe of the tree to the base of the slide. The length of the slide is 3 more than the height of the tree house. Find the length of

*asked by Kendra on May 5, 2013* -
## Math

Chris cuts a 3 1/2 feet long board of wood. He cuts out 4 pieces that are each 2/3 foot long. Find the combined length of the 4 pieces? Find the length of the remIng board after chris gets his 4 pieces

*asked by Zach on January 17, 2013* -
## Math

the perimeter if a rectangle is 42 centimeters. the lenght of a rectangle can be represented by (x+4), and its width acn be represented by (2x-7). what are the dimensions of this rectangle in centimeters?

*asked by Mariah on March 29, 2015* -
## math

Six unit circles are arranged inside a rectangle. the circles are tangent to each other and tangent to the rectangle as they appear in the diagram. What is the area of the rectangle?

*asked by julie on March 8, 2015* -
## physics

The drawing shows a 156-kg crate hanging from the end of a steel bar (S = 8.1 x 1010 N/m2). The length of the bar is 0.117 m, and its cross-sectional area is 7.44 x 10-4 m2. Neglect the weight of the bar itself and determine (a) the shear stress on the bar

*asked by S on November 12, 2014* -
## Physics

Two identical point charges (q = +4.60 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.510 m. A test charge (q0 = -4.80 x 10-8 C), with a mass of 9.80 x 10-8 kg, is released from rest at one of the corners of the square.

*asked by Anonymous on February 10, 2013* -
## science

An average diameter of a star is approximately 109 m and an average diameter of a galaxy is 1021 m. Considering the given data, apply a sense of scale calculation to determine if when a galaxy’s diameter is scaled down to the length of Manhattan (21.6 km

*asked by Aly on October 10, 2011* -
## Physics

A 45 kg cart is pushed up a ramp a length of 5.8 m from rest, attaining a speed of 2.6 m/s at the top of the ramp, which is 1.7 m high. The coefficient of friction between the cart and the ramp is 0.13. a) Determine the work done against: 1) gravity 2)

*asked by jdemxkslwid on June 24, 2015* -
## Math

An electrician was hired to run the wires for a surround-sound stereo speaker system. She purchased 2 rolls of 14-gauge speaker wire. Each roll contains 4 m of wire. For each of 2 speakers, 2 ft. of wire are required. For each of the other 2 speakers, 11

*asked by Whitney on October 1, 2014* -
## Math

Please help!!! Scott bought 54m of fencing to enclose a rectangular plot of land. The width of the rectangular plot is 12m. Assume Scott uses all the fencing. What is the length of the rectangular plot of land? a) choose a variable to represent the length

*asked by Cherie on March 22, 2013*

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