Saturday

November 28, 2015
Number of results: 14,402

**English**

hans uses a wheelchair. although he has a ramp to get in his house, he finds it difficult to get his wheelchair chair up the ramp. which modification would make it easier for hans to get in his house? a. increase the length of the ramp b. increase the friction between the ...
*March 18, 2013 by mary*

**physics Q**

can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle delta and the ...
*May 21, 2012 by emmiie*

**CHemistry....Please help...DrBobb**

I posted this up yesterday: I have to use the equation : density= mass/ volume: But i dont know how to find out the volume using the edge length of the unit cell which is 5.88* 10^2 pm. CHemistry....Please help - DrBob222, Sunday, January 25, 2009 at 10:41pm If the edge length...
*January 26, 2009 by Saira*

**maths**

At the local fire station they have different lengths of fire hose. the shortest is half the length of the middle-sized one, and one fifth of the length of the longest one. if i connect the three different hose lengths together i make a hose 120m long. how long is the shortest...
*August 4, 2010 by montana*

**Algebra 2**

a computer manufacturer needs to change the dimensions of its foam packaging for a new model of computer. the width of the original piece is three times the height, and he length is equal to the height squared. The volume of the new piece can be represented by the equation V(h...
*January 24, 2010 by Jane*

**Physics**

I've asked a similar qustion earlier and now I think I have drawn the correct free body diagram and go about solving the problem. The only thing is I do not know how to solve it. a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a ...
*July 14, 2009 by Physics*

**math help**

An engineer is required to survey a nonrectangluar plot of land but is unable to measure side UT directly. The followng data are taken; RU=130 meters, RS=12m ST=90m, angle RST=115, and angle RUT=100. Calculate the length of side UT and the area of the plot. The picture is a ...
*January 12, 2008 by julie*

**physics**

A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force F then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle (theta)=(theta)0 and the mass has been raised by a vertical ...
*May 22, 2012 by sophie*

**Physics HELP!**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 2, 2012 by Tia*

**Math**

A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that can be folded up to form a box with no lid. The length and width of the base of the box are given by the expression (100 2x), and the height of the ...
*January 11, 2015 by Alex*

**Economy Essay Outline/Structure Help**

I'm writing a synthesis paper about why we should utilize middle-out economics (basically economics that focus on the middle class) I'm very new to the topic so I don't want to spread myself too thin or dive into something I don't know too much about. I'm planning on doing ...
*August 10, 2014 by Tyler*

**Science ms sue please help**

A horse and a donkey can mate with each other. Their offspring,called a mule, is not fertile. Do horses and donkeys belong to the same species? Explain your answer. A scientist collects wild rabbits that live at sea level and moves them to the mountains. One year later, the ...
*April 8, 2013 by Gabby*

**Math**

3yd_______________________ 4yd|__|___|___|___|___|___| |__|___|___|___|___|___| A community garden is sectioned off into 12 congruent individual plots with rope as shown in the diagram. Find the total length of rope used. Then find the total length of rope needed if the ...
*April 20, 2011 by Matty*

**Bus Management & Leadership**

You are the owner and CEO of a brand new Internet access company, known as the XYZ Internet Company. For this assignment, you are to create a Policy Manual for new managers. This manual should provide guidance to the new incoming managers, as they set up their respective ...
*July 7, 2009 by Anonymous*

**maths - shapes**

Can you name these quadrilaterals? a) All sides are the same length, opposite sides are parallel, angles are not 90 degrees. b) Two pairs of touching sides are the same length. The diagonals meet at right angles. Opposite sides are not parallel. c) The diagonals bisect each ...
*April 8, 2009 by janey*

**math/geometry**

Two boxes must be wrapped. Both boxes are right rectangular prisms. The smaller box has a length of 12 inches. The larger box is similar to the first and has a length of 48 inches. Find the ratio of the amount of paper needed to wrap the large box to the amount of paper needed...
*March 24, 2011 by me*

**math**

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City...
*January 12, 2015 by Kennedy*

**Physics URGENT!!!**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 3, 2012 by Tia*

**Physics Please Help me!**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 4, 2012 by Sarah*

**Physics- PLEASE HELP**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 4, 2012 by Sarah*

**Physics- PLEASE HELP**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 4, 2012 by Sarah*

**Physics- PLEASE HELP**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 4, 2012 by Sarah*

**Physic (Stress & Strain)**

A uniform bar 1.900m in length and having a cross sectional area of 11.000cm^2 is subject to a loading of 5450.000N. this load causes an extension to the bar length of 2.420mm. Calculate the stress and the strain produced. Area = 11.000cm^2 = 11*10^-3m Load = 5450.000N Stress...
*June 24, 2013 by Danny*

**physics**

A room has dimensions 3.00 m (height) 3.70 m 4.30 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. (a) What is the magnitude of its displacement? (b) Could the length of its path be less than this magnitude? (c) Greater than this ...
*January 19, 2010 by hannah *

**science**

The two systems shown below are identical except for the rod connecting the two beakers. Initially the temperatures of the beakers are as follows: Beaker A = 88C Beaker B = 42C Beaker C = 88C Beaker D = 42C Four minutes later the temperatures are as follows: Beaker A = 73...
*March 21, 2015 by Isabel*

**statistics**

The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm. (a)One of the petals is 0.2 cm wider ...
*March 28, 2013 by pat*

**calc check: curve length**

Find the length of the curve y=(1/(x^2)) from ( 1, 1 ) to ( 2, 1/4 ) [set up the problem only, don't integrate/evaluate] this is what i did.. let me know asap if i did it right.. y = (1/(x^2)) dy/dx = (-2/(x^3)) L = integral from a to b for: sqrt(1+(dy/dx)^2)dx L = integral ...
*July 2, 2007 by COFFEE*

**physics**

a yo-yo is spun from rest by pulling on the string with a constant tension of 2.0N. The radius of the inner rod on which the string is strung around is 0.50cm. the tension applied for 5.0seconds after which the yo-yo is observed to spin with an angular velocity of 15 rad/sec a...
*March 23, 2013 by kirafreedom*

**math**

a corner lot that was originally square lost 185m^2 area when one of the adjacent streets was widened by 3m and the other was widened by 5m. find the new dimensions of the lot.(hint:let x equal the length of a side of the original square lot) It might help to draw a diagram. ...
*November 29, 2006 by john*

**Math stem question**

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City...
*January 12, 2015 by Kennedy*

**math**

what is the equation for arc length?
*December 16, 2008 by john*

**Algebra 2**

what is the length of the minor axis of (x-9)/8^2+(y-4)/18^2=1
*August 22, 2010 by yakime*

**Geometry**

On the line AD,if AC=24 and CD=32,how do you find the length of AD.
*September 17, 2010 by Elizabeth*

**geometry**

What is the length of FH if G is the midpoint, FG=12x-5, GH = 7x?
*September 19, 2010 by Yonna*

**geometry**

How do I find the length of the segment AB when A(-4,6) and B(3,-5)
*October 26, 2010 by Alex *

**geometry**

If XZ = 18 cm, YZ = 27 cm, and AC = 28 cm, what is the length of BC? XZ, YZ= triangel (1) AC=triangle (2)
*November 30, 2010 by matt alicea*

**calculus**

x=15cm and y=20cm,what is the length of z
*March 10, 2011 by Anonymous*

**calc**

find the arc length of f(x)=x^2/2
*March 15, 2011 by tom*

**MATHS**

WHAT IS THE UNKNOWN LENGTH OF A TRIANGLE IF A=X+2,B=X+1,C=13
*March 20, 2011 by STACIA *

**physical science**

what is the wave length
*March 20, 2011 by reisom*

**physical scien ce**

what is the wave length
*March 20, 2011 by reisom*

**geometry**

given that BD and AC are perpendicular, what is the length of Ac? AB=9.4 BD=7.9 BC=23.2
*April 27, 2011 by ashlie*

**calculus**

rectangle with a length of 24 1/5 and a width of 17 1/6 cm
*September 4, 2011 by ars*

**geometry**

If FD=4x-27, and SG is congruent to FD and SG=2x-3, Then whais the length of SG?
*November 14, 2011 by KC*

**biology**

what is the length of trecha in men
*December 19, 2011 by zainab*

**geometry**

find the length of each side p(2,3),q (4,7),and r(11,3)
*February 3, 2012 by Anonymous*

**a**

in triangle cat a=4 c=5 and cos t =(1/8). what is the length of t?
*May 10, 2012 by Anonymous*

**Calculas**

Find the length of the curve y=(2x), from x=1 to x=4.
*July 24, 2012 by Drew*

**geometry**

B is between A and C. If AB = 4, BC=2x+6 and AC= 1/2X +24. Find the length of BC and AC
*August 29, 2012 by Jada*

**Algebra 2 (Math)**

If A=(0,-17), B=(4,-5), and C=(12, -1), what is the length of the altitude from C to AB
*September 14, 2012 by Hannah*

**geometry**

If J is the midpoint of MN and JM=5x-5 and JN=4x+2, find the length of MN.
*October 3, 2012 by myra*

**CALCULUS**

Find the length of the curve: y=ln(1-x^2), 0<_x<_1/2
*November 16, 2012 by Sarah*

**Math**

What is length of DF if DE and EF are equal and EF is 4 meters?
*April 22, 2013 by Jay*

**English**

What length is an appropriate summary?
*October 7, 2013 by Anonymous*

**geometry**

AC and BD are straight lines, EB=16, DE=24, BC=10. What is the length of AD
*October 13, 2013 by eric*

**math**

if 14 is the area and 4 is the width , then what is the length ?
*January 20, 2014 by BLAHHHH*

**Math 221**

6.25,16.1, and 9 is what length in meters
*July 13, 2014 by Jenni*

**math**

if point a = -7 and b = 8 what is their length? my answer is 15
*August 7, 2015 by Steve*

**Physics- Someone Please Help!!!**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 3, 2012 by Tia*

**Physics- Elena please help!**

The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is 343 m/s. (b) Opening...
*December 4, 2012 by Sarah*

**physics please HELP !**

can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle delta and the ...
*May 21, 2012 by emmiie*

**Geometry**

Greg made two similar glass display boxes shaped like triangular prisms. The length of the sides of the base of the first display box is 5 feet, and the length of the sides of the base of the second display box is 10 feet. If the volume of the first display box is 52 ft3, what...
*February 15, 2012 by need Help*

**8th grade math**

Jessica is creating a heart-shaped card to give to her valentine. She has folded a square piece of paper in half and traced the pattern onto one half of the folded paper. The pattern consists of a right triangle with hypotenuse of length 7 1/2 inches and a semi-circle with a ...
*February 16, 2011 by Anonymous*

**College Business Statistic**

One operation of a mill is to cut pieces of steel into parts that will later be used as the frame for front seats in an automobile. The steel is cut with a diamond saw and requires the resulting parts to be within 0.005 inch of the length specified by the automobile company. ...
*July 7, 2012 by Heather*

**math**

Using this formula: V=LWH Find the volume(v)of a toy box with length (L) if 4ft, width(W)of 24in.,and height(H)of 30in. My answer:Wouldn't it be the following; V=(4)(24)(30) V=2888 Please let me know if I am correct. I believe that the formula is V=L*W*H isn't it. Please help ...
*October 19, 2006 by Jasmine07202006*

**phyics**

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. a) Show that the dart moves inside the barrel for a time of 2L/v Express your answer in terms of the variables L and v...
*September 20, 2015 by sarah*

**Calculus**

Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections. I would very much appreciate it if someone could figure out the answer and show me all the steps. A solid has as its base the region bounded by the curves y = -2x^2 +2 and y = -...
*March 14, 2012 by Michael*

**Calculus**

Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections. I would very much appreciate it if someone could figure out the answer and show me all the steps. A solid has as its base the region bounded by the curves y = -2x^2 +2 and y = -...
*March 14, 2012 by Michael*

**physics**

You have two cylindrical solenoids, one inside the other, with the two cylinders concentric. The outer solenoid has length ℓouter = 400 mm, radius R outer = 50 mm, and N outer = 2000 windings. The inner solenoid has length ℓinner = 40 mm, radius R inner = 20 mm, ...
*October 24, 2015 by alexw*

**physics**

One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is ...
*November 11, 2011 by meagan*

**Math**

Can you please check my answers, thank you #2. 5/y+4 + 11/y^2=y-12 = 7/y-3 Answer -2 #4 The length of a rectangle is 2 cm more than twice its width. If the perimeter of the rectangle is 40 cm, find the length of the rectangle. A. 6 cm B. 9 cm C. 11 cm D. 14 cm Answer B = 9cm #...
*August 26, 2012 by Ron*

**physics**

One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is ...
*July 16, 2013 by cj*

**phyics**

One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is ...
*November 1, 2013 by bobby*

**PHYICS**

One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a magnitude of 2.00 N and is ...
*November 12, 2013 by LLYOD BLUE*

**physics**

A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m^3 of water and the surface area of the bottom of the container is 5.00 m^(2 ). The height of the lower part of the container is 2.50m and the neck ...
*April 21, 2009 by seth*

**physics**

A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies of the wind ...
*April 15, 2011 by JamieLee*

**PHYSICS**

A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies of the wind ...
*April 15, 2011 by J*

**calculus**

the length of a rectangular prism is increasing at a rate of 8 cm/s, its width is increasing at a rate of 3 cm/s, and its height is increasing at a rate of 5 cm/s. when the length is 20 cm, width is 10 cm, and height is 15 cm, how fast is the volume of the rectangular prism ...
*December 6, 2014 by Dani*

**math**

If A, then B is equivalent to If not B, then not A Not (A and B) is equivalent to not A OR not B Not (A or B) is equivalent to not A AND not B Can you give an equivalent statement to 1. If an Iowa farmer does not grow corn or beans, then he grows alfalfa. 2. It is not true ...
*September 9, 2012 by Pat*

**Physics**

A ball is tied to an elastic string of length 8.0 m and swung in a horizontal circle with a velocity of 0.8 m/s. When a metallic object is tied to a rope of length 2.75 m and swung in a horizontal circle, it makes one revolution in 2.9 s. The ratio of the centripetal force in ...
*September 21, 2009 by Willie*

**Physics**

A daredevil plans to bungee jump from a balloon 52.0 m above the ground. He will use a uniform elastic cord, tied to a harness around his body, to stop his fall at a point 15.0 m above the ground. Model his body as a particle and the cord as having negligible mass and obeying ...
*February 21, 2013 by Michaela*

**Physics. Urgent help need!!**

A baseball player hits a triple and ends up on third base. The baseball "diamond" is a square, each side with length 24.2 m, with home plate and the three bases on the four corners. What is the magnitude of his displacement? * I'm not familiar with the sport i divided the ...
*May 7, 2007 by Papito*

**Physics HELP!!!!!!!!**

A string is attached to a wall and vibrates back and forth, as in Figure 17.18. The vibration frequency and length of the string are fixed. The tension in the string is changed, and it is observed that at certain values of the tension a standing wave pattern develops. Account ...
*May 8, 2007 by Mary*

**Please Check My Math Answers. Thanks!**

Can someone please be kind enough to check my answers? Thanks! :) I put stars by my answers. 1. Calculate the slant height for the given cone. Round to the nearest tenth. Diameter= 8cm Height= 9cm a. 10.2 cm b. 11.4 cm c. 9.8 cm *** d. 12.0 cm 2. Calculate the slant height for...
*March 10, 2015 by OceanBreeze*

**chemistry**

The components of a 11.0 mg sample are sufficiently separated by a chromatographic column that is 1.4 cm in diameter and 50 cm long with a flow rate of 0.57 mL/min. In order to separate 271 mg of the sample with similar separation of the components. What size column, diameter ...
*June 7, 2013 by poptheweasel*

**Alegbra**

Jen and Jacob want to put a cement deck around their pool. Use the figure below to calculate the area of the deck. If cement costs $4.75 per square foot, how much is the cost of the deck? Round to the nearest hundredth. Width of pool is x+3 Length of pool is 3x-4 Width of deck...
*March 12, 2014 by WillyB*

**Geometry**

ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b". I need to find out the height...
*November 30, 2008 by Frost Boost*

**physics**

1. At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before they reach the toll collector. What is the purpose of this wire? 2. The leaves of a charged electroscope collapse in time. At higher altitudes they ...
*July 14, 2010 by Nicole*

**physics**

The driver of a car wishes to pass a truck that is traveling at a constant speed of 19.0 m/s . Initially, the car is also traveling at a speed 19.0 m/s and its front bumper is a distance 24.3 m behind the truck's rear bumper. The car begins accelerating at a constant ...
*October 11, 2015 by elif*

**Reading**

Choose two synonyms from the box for each of the three words below. Lean - noisy -scrawny - rowdy - brilliant - clever Milder word. Stronger word 1/ .......lean............thin ...................... 2/ .........................loud .................... 3...
*October 15, 2014 by Nnh*

**calc: arc length**

Posted by COFFEE on Monday, June 11, 2007 at 11:48pm. find the exact length of this curve: y = ( x^3/6 ) + ( 1/2x ) 1/2 <or= x <or= 1 im looking over my notes, but i'm getting stuck. here's my work so far: A ( 1 , 2/3 ) B ( 1/2 , 49/48 ) y' = [1/6 (3x^2)] + [1/2 (-1x^-2...
*June 12, 2007 by COFFEE*

**physics**

A guitar string 60 cm in length, with a diameter of 1.4 mm and a tension of 289 N, emits a note with a frequence of 147 Hz. Find the frequency in each of the followig situations: a)the tension isreduced to 196N b)a string of the same material, 45 cm long and 1mm in diameter ...
*January 2, 2010 by Sarah N H*

**physics **

An observer measures the length of an object. In which of the following cases is the measured length at a minimum? Choose one answer. a. The observer and the object move with the same speed v in the same direction. b. The observer and the object move with the same speed v in ...
*April 30, 2011 by ashley --*

**11th grade**

ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b". I need to find out the height...
*November 30, 2008 by Please help! I need this urgent, please.*

**College Algebra**

The campus of a college has plans to construct a rectangular parking lot on land bordered on one side by a highway. There are 720 feet of fencing available to fence the other three sides. Let x represent the length of each of the two parallel sides of fencing. a) Express the ...
*October 15, 2012 by Cameron*

**physics**

a spring with spring constant k= 100N/m is at its equilibrium length a) how much elastic potential energy is stored in the spring? b) the same spring is stretched so that it is 6cm longer than it was. How much elastic potential energy is stored in the spring now? c) a ...
*October 30, 2008 by rachel*

**Grade 9 Math**

There is one large rectangle ABCD, top line is AD and bottom is BC. A vertical line is drawn from the top to bottom called GH (between points AD and BC). A line is drawn from left to right called EF (between points AB and GH). AEFG is Rectangle 1. EBHF is Rectangle 2. GHCD is ...
*December 12, 2010 by olav*

**Math **

The height was 30, the width was 25,and the length is 20. What is the volume, in cubic inches, of the block of ice? I think you multiply 30x25x20 and get 15,000. The answer is 15,000 cubic inches. Harry wants to make another block of ice with the same volume. He needs one ...
*January 21, 2015 by Anonymous *

**physics**

An adult person is holding their arm straight out to their side. Their kid is hanging from their wrist, dangling. The kid has a mass of 20 kg. The length of adults arm between the shoulder and the wrist from which the kid is hanging is 0.7 m. The mass of the arm is 2.5 kg, ...
*July 12, 2012 by Jessica*

**Calculus 2**

Find the length of the spiral r=a(Theta) on [0,Pi]
*July 14, 2008 by Victor*