# total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure

33,383 results, page 99
1. ## Stastics

Bank of Connecticut estimated that balance on credit cards have follows Normal Distribution mean \$845 with standard deviation \$270. Calculate probability that balance on a single credit card is greater than \$750

asked by Mary on March 7, 2010

MY DAUGTHER WILL BE 10 YEARS NEXT WEEK AND THE HOMEWORK SAID: A NORMAL PERSON BLINKS ABOUT 25 TIMES PER MINUTE WHEN AWAKE. A) HOW OLD WILL YOU BE ON YOUR NEXT BIRTHDAY; B) TO THE NEAREST MILLION, HOW MANY TIMES WILL YOU HAVE BLINKED ON YOUR NEXT BIRTHDAY?.

asked by VIVI on November 21, 2009
3. ## Statistics

The distribution of heights of women aged 20 to 29 is approximately normal with a mean of 2.8 inches and standard deviation of 2.8 inches. The height (+/- 0.1 inch) of the middle 99.7% falls between a low of ?? inches and a high of ?? inches. Please help

asked by Angel on September 11, 2015
4. ## math

MY DAUGTHER WILL BE 10 YEARS NEXT WEEK AND THE HOMEWORK SAID: A NORMAL PERSON BLINKS ABOUT 25 TIMES PER MINUTE WHEN AWAKE. A) HOW OLD WILL YOU BE ON YOUR NEXT BIRTHDAY; B) TO THE NEAREST MILLION, HOW MANY TIMES WILL YOU HAVE BLINKED ON YOUR NEXT BIRTHDAY?.

asked by LILI on November 22, 2009
5. ## PHYSICS

Imagine a soap film (air-soapy water-air) of 1 l,m thickness, and refractive index of 1.5 with white light normal to the film. Which wavelengths in the optical range (400 nm to 700 nm) will appear brightest?

asked by Anonymous on July 14, 2015
6. ## Statistics

On standard IQ tests, the mean is 100 and the standard deviation is 13. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is between 61 and 139.

asked by Anonymous on February 15, 2012
7. ## famu

Construct a 99% confidence interval for the population mean, ì. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth.

asked by Anonymous on December 1, 2014
8. ## AP 1 Physics

A motorcycle has a constant speed of 25.0 m/s as it passes over the top of a hill whose radius of curvature is 144 m. The mass of the motorcycle and driver is 326 kg. Find the magnitudes of the following. Centripetal force: mv^2/r = 1414.93 N Normal force:

asked by Lulu on November 3, 2015
9. ## statistics

A class test resulted in a mean score of 60% and a standard deviation of 15%. You scored 75%. Assuming the scores follow a normal distribution, and there are 200 in the class, how many students scored better than you? Give your answer to the nearest whole

asked by rebecca on August 30, 2012
10. ## math

F(x, y) represents a velocity field of a fluid over a surface S defined by z = 6 − 3x − 2y. If the magnitude of the velocity in the direction of the unit normal vector, n̂, on S is 3z⁄√14, compute the flux of F(x, y) over the surface S in the

asked by NEED HELP!!! on December 24, 2016
11. ## Calculus 3

F(x, y) represents a velocity field of a fluid over a surface S defined by z = 6 − 3x − 2y. If the magnitude of the velocity in the direction of the unit normal vector, n̂, on S is 3z⁄√14, compute the flux of F(x, y) over the surface S in the

asked by Help me pls! on December 25, 2016

Yearly stock returns on India's Sensex Index are well described by a Normal model with a mean of 18.36% and a standard deviation of 14.65%. give the stock return cutoff for the middle 30% of all years. I used TI-83 Calc. for these. Can someone check them?

asked by Taylor on March 11, 2013
13. ## statistics

Let X be the average of a sample of size 25 independent normal random variables with mean 0 and variance 1. P[[X

asked by zwesko on November 23, 2011
14. ## Statistics

On standard IQ tests, the mean is 120 and the standard deviation is 18. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 156.

asked by Anonymous on February 15, 2012
15. ## statistics

the average starting salary is Rs 15000per month with a standard deviation of Rs.1000 assuming normal distribution,what is the probability that starting salary will be more than Rs.17000, out of 200 degree holders how many will getRs.14000?

asked by Anonymous on August 7, 2011
16. ## chemistry

Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M) a) Calculate the ion product of the potential precipitate. My answer: mol AgNO3 = M x L = 0.45 M x 0.045 M = 0.02025 mol NaCl = M x L = 0.0135 M x 0.085 L =

asked by Abigail on April 17, 2008
17. ## chemistry

Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M) a) Calculate the ion product of the potential precipitate. My answer: mol AgNO3 = M x L = 0.45 M x 0.045 M = 0.02025 mol NaCl = M x L = 0.0135 M x 0.085 L =

asked by Randy on April 18, 2008
18. ## Physics to Elena

An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of

asked by Rohan on May 14, 2013
19. ## Physics

An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of

asked by Rohan on May 13, 2013
20. ## Physics

An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of

asked by amit sharma on May 8, 2013
21. ## College Physics!!!

A truck on a straight road starts from rest accelerating at 2.0 m/s2 until it reaches a speed of 20 m/s. Then the truck travels for 20 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.0 s. What is

asked by Steph on October 7, 2008
22. ## mechanics of materials

A hollow circular shaft has an external diameter of 160mm and an internal diameter of 120mm. Calculagte the polar second moment of areaof the shaft and the maximum and minimum shear stress produced when the applied moment is 40kN m.

asked by dmkp on January 28, 2013
23. ## Physics

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 32.0 m/s. Then the truck travels for 76.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.00 s.

asked by Anonymous on January 29, 2014
24. ## physics

A disk is rotating at 50rps (revolution per second) about its fixed axis (delta) with respect to which its moment of inertia is J= 2×10^-2 kg.m^2 A braking couple of moment -0.5N.m is applied to the disk (the sense of rotation of the disk is taken as

asked by angy on February 4, 2016
25. ## chemistry

A silicon ribbon measuring 100 micron thick, 5 mm wide, and 1 m long has 5 volts applied across its long dimension. The resistivity of silicon is 640 ohm-m. How much current will flow through the ribbon? Express your answer in Amps

asked by Muanda on July 26, 2014
26. ## science

An automobile travelling at 80km per hours has tyres of radius 80 cm. On applying brakes the car is brought to a stop in 30 complete turns of the tyres. What is the magnitude of the angular acceleration of the wheels how far does the car move while the

asked by gobind on March 16, 2017
27. ## physics help

A disk is rotating at 50rps (revolution per second) about its fixed axis (delta) with respect to which its moment of inertia is J= 2×10^-2 kg.m^2 A braking couple of moment -0.5N.m is applied to the disk (the sense of rotation of the disk is taken as

asked by angy on February 4, 2016
28. ## Physics 11

A girl pushes her little brother on his sled w/ a force of 35N for 840s. How much work does she do if the force of friction I'd 27N? I subtracted the force of friction from the applied force to get my net force of 8N but I don't know where to go from

asked by Kayla on May 23, 2017
29. ## physics

A 100 kg mass starts from rest at the top of an incline plane that makes an angle of 35 degrees with the horizontal. There is a coefficient of friction of 0.005 between the ramp and the mass. The mass slides down the ramp and then slides to a stop on a

asked by Steven on May 14, 2010
30. ## Physics

1)When does a magnetic field induce maximum EMF in a wire moving with a constant velocity? when the wire is moved at right angles to the magnetic field. 2)Which rule is used to find the direction of force produced by electromagnetic induction? fourth

asked by Jon on April 11, 2008
31. ## math

A 160‐inch strip of metal 20 inches wide is to be made into a small open trough by bending up two sides on the long side, at right angles to the base. The sides will be the same height, x. If the trough is to have a maximum volume, how many inches should

asked by Anonymous on May 12, 2015
32. ## need help in tis problem

which biconditional is not a good definition? 1. a whole number is odd if and only the number is not divisible by 2 2. an angle is straight if and only if its measure is 180 3. a whole number is even if and only if it is divisible by 2 4. a ray is a

asked by janika on June 4, 2012
33. ## Math/geometry

Two angles are complementary.the second angle has 6 more than three times the measure of degrees as the first one. Find the measure of each angle using an equation. Define your variables. I didn't get what the two variables should be... And how I'd write

asked by Sonja R on April 13, 2016
34. ## Math

Jack is learning to ride a bicycle. In his first try, he rode for 1/100mile. The second time he rode for 5/100 mile. In the next two tries, he rode successfully for 2/10 mile and lo 4/10 mile Part A What is the total distance he rode the bike in four

asked by Marina on April 25, 2017
35. ## physics

a student weighing 160 pounds hangs for dear life from a cable tied to two other cables fastened to a support as shown above. the upper cables make angles of 39 and 55 with the horizontal. these upper cables are not as strong as the vertical cable and will

asked by Anonymous on September 26, 2016
36. ## Trig application

I'm having trouble with this trig application. The scenario goes: A ferris wheel has a diameter of approximately 65 meters. Assume it takes 110 seconds for the ferris wheel to make one complete rotation. find the angular speed of the ferris wheel in

asked by Jane on March 4, 2016
37. ## math

Suppose you are looking for a job. You interview with a company that has 10 general employees each make \$100 per day, 7 assistants each make \$400 per day, 3 managers each make \$900 per day, and the owner who makes \$1900 per day. The interviewer tells you

asked by Anonymous on January 23, 2012
38. ## Physics

I solved 1 out of 2 correctly: A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the

asked by . on September 19, 2010
39. ## math (statistics)

Suppose you are looking for a job. You interview with a company that has 10 general employees each make \$100 per day, 7 assistants each make \$400 per day, 3 managers each make \$900 per day, and the owner who makes \$1900 per day. The interviewer tells you

asked by juan777 on January 23, 2012
40. ## algebra 1

In a triangle ABC,angle b is 4 times angle "A" and angle "C" IS 17 less than 5 times angle "A". Find the size of the angles.

asked by esther on December 16, 2010
41. ## Math

Triangle XYZ is an Isosceles triangle. What is the measure of all the angles if measure angle X is two times the angle Y

asked by Ola on June 7, 2017
42. ## Math

Find the measure of two complementary angles if the measure of one angle is 30˚ greater than the measure of the other. What is the measure of the larger angle?

asked by Pat on February 24, 2018
43. ## math

.An angle is 10° more than the measure of its complement. Find the number of degrees in each angle.The angles measure _ degrees.

asked by justin on April 6, 2014
44. ## geometry

YW is a bisector of

asked by Tricia on September 18, 2010
45. ## Math

One angle of a triangle is 45* greater than the smallest angle, and the third angle is 5* less than twice the smallest angle. Find the measures of the three angles.

asked by Renae on May 3, 2016
46. ## math

In a triangle ABC, angle B is 5 times angle A and angle C is 18° less than 4 times angle A. Find the size of the angles.

asked by anonymous on April 2, 2010
47. ## School

Find the measure of two complementary angles if the measure of one angle is 5/8 the measure of the other. What is the measure of the larger angle? and the samller

asked by Ji on March 13, 2018
48. ## algebra 1

In a triangle ABC,angle b is 4 times angle "A" and angle "C" IS 17 less than 5 times angle "A". Find the size of the angles.

asked by esther on December 16, 2010
49. ## math

In triangle FGH, mF is 100Â°, mG is 40Â°, and mH is 40Â°. The exterior angles of triangle FGH are J, K, and L, and they are adjacent to F, G, and H, respectively. What is mK?

asked by Anonymous on December 20, 2017
50. ## PHYSICs

The drawing shows a 29.7-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor is

asked by Tiffany on February 3, 2011
51. ## Physics

drawing shows a 25.0-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, and , are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor

asked by Litany on November 13, 2009
52. ## physics

The drawing shows a 20.1-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, and , are applied to the crate, and it begins to move.The coefficient of kinetic friction between the crate and the

asked by Anonymous on October 5, 2010
53. ## physics

The drawing shows a 25.1-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, 1 and 2, are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the

54. ## chemistry

An 8.6 g sample of a metal is heated to 110.0oC and then placed in a coffee cup calorimeter containing 125 g of water at a temperature of 23.00oC. After the metal cools, the final temperature of the metal and water is 26.83oC. Assuming that no heat is lost

asked by TI on August 3, 2011
55. ## Math help FAST

I need you guys to check my answers, please. I need an A so bad, all help is appreciated, thanks. Also, I can't put links :( 1.Lucy drew an isosceles triangle as shown If the measure of YZX is 25Â° what is the measure of XYZ? 50Â° 75Â° 130Â°***

asked by InsertNameHere on February 9, 2017
56. ## caculus (pipeline)

A common problem encountered by the oil industry is to determine the most cost-effective route to connect various wells in an oil fertile area. The attached map is a copy of a section of a U.S. Geographical Survey contour map with a wetland area outlined.

asked by miley on April 1, 2010
57. ## MATH (CALCULUS) PLZ HELP

A common problem encountered by the oil industry is to determine the most cost-effective route to connect various wells in an oil fertile area. The attached map is a copy of a section of a U.S. Geographical Survey contour map with a wetland area outlined.

asked by piper on April 1, 2010
58. ## algebra

Please check these too. thanks Simplify 6[86-(94-86)]= my answer is 468 2. On three consecutive passes, a football team gains 6 yards. loses 17 yards and gainbs 31 yards. Wht number represents the total net yards. The total net years is 20 yards. 3. Solve

asked by babs on August 3, 2011
59. ## statistics

Question 6: A manufacturer knows that the number of items produced per hour by its two factories A and B is normally distributed with standard deviations 8.0 and 11.0 items respectively. The mean hourly amount produced by Firm A from a random sample of 50

asked by molebogeng on April 12, 2012
60. ## algebra

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch

asked by Samantha on January 7, 2009
61. ## Geometry

Can you please explain the Side-Side- Side Postulate, The Side-Angle-Side Postulate, and The Angle-Side-Angle Postulate. Thank you very much The side-side-side postulate is when two triangles are congruent with one another. (all sides are the same). The

asked by Smooches on November 27, 2006
62. ## Math - average rate problems(check + help)

The total cost, c, in dollars of operating a factory that produces kitchen utensils is C(x)=0.5x^2+40x+8000, where x is the number of items produced in thousands. a)Determine the marginal cost of producing 5000itmes and compare this with the actual cost of

asked by Anonymous on October 16, 2010
63. ## Maths

Cam and Dean are playing a game with counters and dice. Cam has some counters, each labelled 1 on one side and 2 on the other. He flips the counters and scores the total of all the numbers showing. Dean has one die and scores the number showing after he

asked by Tanvi on April 26, 2014
64. ## us history

Which of the following statements is FALSE about Andrew Johnson's perspective about the South? Answer He viewed Southern plantation aristocrats with contempt. He wanted to treat the South similar to a conquered province. He blamed individuals for leading

asked by Dave on April 17, 2012
65. ## math

at the start of your school year as a veterinary tech, you receive a raise of \$750. you expect to receive the same raise every year. your total yearly salary after your first raise is \$18,000 per year write an equation that models your total salary (s) in

asked by megan on March 3, 2010
66. ## Math

A clothing store sold 5 T-shirts for \$11 each and 5 sweatshirts for \$19 each. The expression below represents the total amount, in dollars, the store received. 5 (11 + 19) Which expression is equal to the total amount, in dollars, the store received? A 5 +

asked by Raiven on December 9, 2015
67. ## ISDS

The optimal total shipping cost in a minimization transportation model is \$622, and the reduced cost from source node 1 to destination node 6 is \$6. This implies that if one were to deviate from the optimal solution by shipping one unit from node 1 to node

asked by jamaal on March 13, 2012
68. ## Social Studies (Check)

1. What was the effect of the French defeat at Dien Bien Phu? A: The defeat at Dien Bien Phu convinced the French to make peace and withdraw from Indochina. 2. What tatics did the United States adopt to fight the Vietcong? A: To fight the Vietcong,

asked by Victoria on February 10, 2016
69. ## math

Olive Oyl sent Popeye and Wimpy out to get spinach and burgers. They bought the following combination: If the square of the number of burgers is doubled and added to the square of the number of cans of spinach, the total equals 59. When the square of the

asked by Andrea on December 10, 2012
70. ## geometry

I'm having trouble with an assignment that asks me to design a structure so that the sumof the measures of the interior angles of all the individual convex polygons is 4500 degrees. i'm souppoused to have a triangle a hexagon an octagon and a rectangleall

asked by Meghan on February 12, 2008
71. ## Finance/Algebra

Suppose you bought an 8% coupon bond one year ago for \$1090.00. The bond sells for \$1063.00 today. Assuming a \$1000 face value, what was ur total dollar return over the past year? What was the nominal rate of return over the past year? And, if inflation

asked by Sunny on May 18, 2010
72. ## math

Ronelio invests \$29,000 in two one-year certificates of deposit. One certificate pays 4%, and the other pays 4.75% simple interest annually. (a) Construct a model for the total interest I(x) Ronelio earns in one year on his investments. (Let x represent

asked by Marie P. on August 4, 2014
73. ## Algebra

Maybe that was to confusing...we have a data sheet to fill out - 2 questions with simple interest and 2 with compound interest. I just need the simple interest help: Prob. #1 Find the total amount if you deposit \$500. at a rate of 5% for two years using

asked by Cassie on February 26, 2013
74. ## Physics

Some object moves 220.0 m at an angle of 42° north of west. During this motion, a 68.0 N force acts on the same object, doing +5460.0 J of work on the object. Assuming the force is applied horizontal to ground, what is this force’s orientation? Is there

75. ## analytic geometry

The main cables of a suspension bridge uniformly distribute the weight of the bridge when in the form of a parabola. The main cables of a particular bridge are attached to towers that are 600 ft apart. The cables are attached to towers at a height of 110

asked by Designing suspension bridge on February 17, 2015

when hugo was 9 years old he was 56 inches tall. hugo is now 12 years old and he is 62 inches tall. fins the percent of increase in hugos height to the nearest tenth a customer earned 3262.50 interest on a 9-month cd. how much was the opening deposit total

asked by rawr... im a dinosaur.... rawr on October 20, 2012
77. ## statistics

The distribution of scores on a standardized aptitude test is approximately normal with a mean of 490 and a standard deviation of 95. What is the minimum score needed to be in the top 25% on this test? Carry your intermediate computations to at least four

asked by SHelia on May 7, 2012
78. ## physics

The plane is traveling at 288 m/s on a vertical circle of radius 622 m. Determine the ratio of the normal force to the magnitude of the pilot's weight. For comparison, note that black-out can occur for ratios as small as 2 if the pilot is not wearing an

asked by Anonymous on March 5, 2014
79. ## chem

Benzaldehyde, C6H5CHO}, has a normal boiling point of 179.0 C and a critical point at 422 C and 45.9 atm. Using a phase diagram, estimate its vapor pressure at 125 Degrees (I'm putting this back up again. Since I still didn't understand it but the answer

asked by joseph on February 15, 2010
80. ## chemistry

Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 405 torr? how do i go about answering this question? i don't know where to start. am i

asked by Karen on February 8, 2010
81. ## college

Essentials of statistics is the subject and the question is: The population of IQ scores forms a normal distribution with a mean of u=100 and a standard deviation of sigma=15. What is the probability of obtaining a sample mean greater than M=105 for a

asked by Jennifer on August 1, 2010
82. ## Physics Lab

Collision derivation problem. A car is released from rest on a frictionless inclined plane. Assume h/L is approximately equal to y/x. equations. If the car has a mass of 0.2 kg, the ratio of height to width of the ramp is 11/110, the initial displacement

asked by Tiff on July 20, 2013
83. ## c programming , computer science

1-Write a program that determines the day number (1 to 366) in a year for a date that provided as input data. As an example, January 1, 1994, is day 1. December 31, 1994, is day 365. December 31, 1996, is day 366, since 1996 is a leap year. A year is a

asked by hisham on May 7, 2015
84. ## Science

A scientist from the United States conducts an experiment using miles per hour to measure speed. Why might this be confusing for scientists in other countries? A) Scientists in other countries don't usually perform experiments involving speed. B)

asked by Unknown on February 6, 2018
85. ## English

I have to complete the text. I did with capital letter. Could you check it. When I applied to university, I WASN’T PLANNING ON studying a language. While I WAS SEEING courses, I talked to a counsellor who suggested it. He said many young people WERE

asked by Eliz on September 4, 2017
86. ## physics

A flywheel comprises a uniform circular disk with a moment of inertia of 64.13 Kg m2. It rotates with an angular velocity of 1106. rpm. A constant tangential force is applied at a radial distance of 0.400 m. What energy (in Kilo Joule) must this force

asked by Juicy on November 3, 2015
87. ## Algebra II

I think I need to go backward for my answers. starting with c. As I am no good at math I have to guess I am wrong. Can I get some guidence on how to set up the problem? To estimate animal populations, biologists count the total number of animals in a small

asked by Marysvoice on January 21, 2008
88. ## financial literacy

A college professor's compensation package includes the total cost of a \$350-per-month health insurance plan, the total cost of a \$45-per-month life insurance plan, and a salary of \$65,000 per year. What is the yearly value of the compensation package?

asked by Anonymous on January 24, 2017
89. ## Physics

Light travels in a line of optical fiber by total internal reflection between a core of refractive index 1.48 and a cladding 1.46 refractive index. The critical angle for total internal reflection to occur inside the core of the fiber is ... 80.6º 48.8º

asked by Samantha on March 21, 2010
90. ## Finance and literacy

A college professor's compensation package includes the total cost of a \$350-per-month health insurance plan, the total cost of a \$45-per-month life insurance plan, and a salary of \$65,000 per year. What is the yearly value of the compensation package?

asked by dericka on May 20, 2013
91. ## Physics

3. A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest. a.) Find the total kinetic energy after collision if the collision is elastic. .144J I got that one. b.) Find the total kinetic energy after collision if the collision

asked by Pat on February 29, 2012
92. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

asked by smita on October 23, 2013
93. ## Intermediate Algebra

Andrews factored expressions -6x63+9x^2-3x as -3x(2x^2-3x-1). But when Melissa applied the distrubutive law and multiplied out -3x(2x62-3x-1) she got -6x^3+9x^2+3x;thus Andrews solution does not appear to check. Why is that? Please help Andrews to

94. ## physics

A spring of negligible mass stretches 2.20 cm from its relaxed length when a force of 10.5 N is applied. A 1.1 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin

asked by Anonymous on November 26, 2012
95. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

asked by HELP in physics!!! on October 21, 2013
96. ## physics

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

97. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

asked by smita on October 22, 2013
98. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

asked by rabio on October 20, 2013
99. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

asked by HELP!!! on October 14, 2013
100. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

asked by Help!! on October 14, 2013