# 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

33,671 results, page 74-
## computer science

• Explain, in a 350- to 700-word paper, each of the 12 principles of information security and how each can be applied to real-life situations. Include an explanation of the four types of security policies

*asked by john on September 5, 2010* -
## physics

an aluminium of mass 2.1 kg rests on a steel platform. A horizontal force of 15N is applied to block(a) given the coefficient of limiting friction is 0.61 will the block move? (b)if it moves what will be its acceleration?

*asked by Maryam on January 21, 2014* -
## Physics 6A

A 0.140- baseball traveling 34.0 strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 12.0. What was the magnitude of the average force applied by the ball on the glove?

*asked by Daisy on April 26, 2012* -
## PHYSICS

A constant torque of 30m⋅N is applied to the rim of a 6.0-kg uniform disk of radius 0.20m .What is the angular speed of the disk about an axis through its center after it rotates 2.0 revolutions from rest?

*asked by dan on June 3, 2015* -
## Math

1. P5 is an innerproduct space with an inner product. We applied the Gram Schmidt process tot he basis {1,x,x^2,x^3,x^4} and obtained the following as the result {f1,f2,f3,f4,x^4+2}. a. What is the orthogonal complement of P3 in P5 with erspect to this

*asked by Scott on April 13, 2012* -
## chemistry

If the breakdown half-life of a pesticide applied to a farmer’s field is 3.50 days, then what is the rate constant for this reaction? Assume the degradation reaction follows first order kinetics. The units are 1/d.

*asked by danny on February 14, 2015* -
## physics

A 0.500 kg block is being slid, vertically up the chalkboard with an applied force of 6.00 N [upwards] and 2.00 N [inwards] (into the boards). If the coefficient of sliding friction is 0.400, calculate the accel of the block.

*asked by mouse head on December 17, 2012* -
## Science

Explain the motion of a baseball and the forces acting upon it as it leaves the pitcher’s hand and travels toward the batter at home plate. Identify the term applied to this type of motion.

*asked by Jenny on January 12, 2015* -
## calculas

A car braked at a constant deceleration of 45 ft / s2, producing a skid mark measuring 105 feet before coming to a stop. How fast was the car travelling when the brakes were first applied?

*asked by jordan on December 4, 2011* -
## physics

The bolts on the cylinder head of an engine require tightening to a torque of 63 . If the six-sided bolt head is 15 in diameter, estimate the force applied near each of the six points by a socket wrench.

*asked by cara on April 19, 2011* -
## Dynamics

A car is traveling at a speed of 80 km/h when the brakes are suddenly applied, causing a constant deceleration of 3.24 m/s2. Determine the time required to stop the car and the distance traveled before stopping

*asked by simon on November 16, 2016* -
## physics

A volume Vi = 23.1 L of air at temperature T = 21 ¢XC is compressed at constant temperature to a volume Vf = 7.7 L. The relative humidity of the air before compression is R = 56.4 %. Saturated water vapour in air at this temperature has a vapour pressure

*asked by Sarah on March 29, 2011* -
## math (stats)

Find the z scores that separate the middle 59% of the distribution from the area in the tails of the standard normal distribution.

*asked by bee on October 12, 2015* -
## physics HELP

Im having problems getting the magnitude of the force in the problem i asked below i got the frictional and normal force please help me put these equations together

*asked by Anthony on October 31, 2012* -
## physics

Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

*asked by Phil on May 30, 2012* -
## statistics

Given a normal distribution of scores with a mean of 100 and a SD of 10, compute z scores for the following raw valves: 95, 115, 80, 130.

*asked by Anonymous on November 13, 2011* -
## Geometry

P(2ap, ap^2) is a any point on the parabola x^2=4ay other than its vertex. The normal at P meets the parabola again at Q. Find the coordinates of Q.

*asked by Shanu on January 24, 2015* -
## Science

When a silvery powdery substance was added to boiling beans,the beans get cooked quicker than normal. what may this be?

*asked by Jonathan on March 10, 2017* -
## Health

What is an example of having a poor diet? A. Making unhealthy food choices B. Not eating enough C. Not eating on a normal schedule D. All of the above I think it's D.

*asked by Brandon on August 22, 2013* -
## physics

A 5.6 kg bag of groceries is in equilibrium on an incline of 32. The acceleration of gravity is 9.81 m/s2 . What is the magnitude of the normal force on the bag?

*asked by newtothis on September 25, 2011* -
## physics

A 31.0 kg object slides down a slope which is inclined at an angle of 20.0o to the horizontal. What is the normal force exerted by the slope?

*asked by Nick on October 28, 2011* -
## statistics

Build a 95% confidence interval for the mean of the population from the given sample data. Assume that the population has a normal distribution. 16.4, 15.7, 16.2, 15.8 17.1 15.8, 15.9, 16.0, 16.4 15.0

*asked by Jessica on June 22, 2011* -
## physics

Which of the following is correct for the reflected ray if a light ray strikes a plane mirror at an angle of 50° from the normal?

*asked by Tam on January 1, 2016* -
## physics

A 5.7 kg bag of groceries is in equilibrium on an incline of angle θ = 16°. Find the magnitude of the normal force on the bag.

*asked by Anonymous on October 20, 2013* -
## statistics

If random samples, each with n = 36 scores, are selected from a normal population with m = 80 and s = 18, how much difference, on average, should there be between a sample mean and the population mean?

*asked by Anonymous on October 19, 2010* -
## mathematics

The plane curve is given by the equation R(t)= ( ln sin t)i + ( ln cos t)j. find the unit normal vector to the curve t= ¤Ð/6.

*asked by sibongile on June 27, 2014* -
## math

Suppose x has a binomial probability distribution with n = 200 and p = 0.60. Use the normal approximation to the binomial to find P (X > 130).

*asked by Bill on November 18, 2015* -
## Physics-Check

A missile launches at a velocity of 30.0 m/s at an angle of 30.0* to the normal. What is the maximum height the missile attains? (((30)*cos(30))^2)/(2*9.8) )

*asked by LeRoy on April 10, 2009* -
## Physics

A ray of light in air has an angle of incidence to the normal of 45° into a piece of glass (1.5). What is the angle of refraction?

*asked by Arnold on March 6, 2013* -
## statistics

for a certain psychiatric evaluation z scores above 2.18 and below -2.33 are considered abnormal. what is the probability that a person evaluated by this will be considered normal?

*asked by alex on December 11, 2011* -
## Stats

Find the 95 percent range for the sample mean, assuming that each sample is from a normal population. a. ì = 200, ó = 12, n = 36 b. ì = 1,000, ó = 15, n = 9 c. ì = 50, ó = 1, n = 25

*asked by Kevin on April 18, 2014* -
## physics

A 15.7 kg block is at rest on a ramp, whose angle is 12.1 degrees from the horizontal. How much Normal Force is acting on the block?

*asked by Anonymous on March 14, 2014* -
## community psycology

When Bullying Turns Deadly: Can It Be Stopped? Thesis: To me, it was normal because that's what I was used to. This was in an article was wondering if the thesis is good

*asked by Ann on September 9, 2015* -
## stat in psyc

A normal distribution has µ = 80 and standard deviation = 10. What is the probability of randomly selecting a score greater than 90 from this distribution

*asked by shauna on March 3, 2013* -
## statistics

Suppose you have a data set that is normal and with a mean of 78 and a standard deviation of 9. Within what range would you expect to fine 95% of the data?

*asked by Razz on December 13, 2010* -
## psyc

A normal distribution has µ = 80 and standard deviation = 10. What is the probability of randomly selecting a score greater than 75 from this distribution?

*asked by shauna on March 3, 2013* -
## Physics

A 4.3 kg bag of groceries is in equilibrium on an incline of angle θ = 30°. Find the magnitude of the normal force on the bag.

*asked by Josh Templin on January 12, 2013* -
## health

What is an example of having a poor diet? A. Making unhealthy food choices B. Not eating enough C. Not eating on a normal schedule D. All of the above

*asked by Anonymous on September 18, 2013* -
## physics

A 4.9 kg bag of groceries is in equilibrium on an incline of angle è = 26°. Find the magnitude of the normal force on the bag.

*asked by BC on January 3, 2012* -
## Physics

Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

*asked by Zach on May 29, 2012* -
## statistics

Find the Z-score that separate the middle 63% of the distribution from the area in the tails of the standard normal distribution

*asked by sue on April 19, 2015* -
## Physics

A 22 kg crate is moving horizontally on the floor at a constant speed. Find the normal force on the crate.

*asked by MCPHS on June 13, 2016* -
## math

I have 220 coins half of them are pennies and the rest are dimes the total value of the coins is $9.58 what is the total value of the dimes

*asked by jaron on February 19, 2014* -
## math

How do I figure this: A lunch bill is unknown. J has $8.00; not enough for the total bill. H. pays 3/5 of the bill. How much does H. pay? What's the total bill?

*asked by sam on January 3, 2012* -
## Science ONE QUESTION!

Suppose the total momentum of two masses before a collision is 100 k m/s. what is the total momentum of the two masses after they collided.

*asked by <3 <3 on October 22, 2014* -
## math

A farmer had a total of 22 men and horses living on it. There were a total of 72 legs. How many men and how many horses were present?

*asked by Irelia on September 26, 2011* -
## Math

The first lap of an auto race is 2000 meters. This 5% of the total race distance. What is the total distance?

*asked by Karen on April 5, 2012* -
## business

I4-1: An inexperienced bookkeeper for the Soggy Ground Construction Company has prepared the following balance sheet. Soggy Ground Construction CompanyBalance SheetFor the Year Ended December 31, xxxx Current Assets Cash $149,500 Accounts receivable (net)

*asked by shirley on June 21, 2010* -
## Business

Robert recently was hired as a technician in the firm. He is being paid $1,250 every two weeks ( after taxes). His monthly bills are: Rent: $900 electricity: $110 car payment: $350 car insurance: $60 fuel for cars: $90 groceries: $180 credit cards: $250

*asked by John on August 30, 2012* -
## biochemistry

substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of

*asked by greg on October 1, 2013* -
## chemistry science

substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of

*asked by greg on October 1, 2013* -
## Chemistry

I need to find heat of vaporization. The liquid starts to vaporize at 110 degrees C and there is 10 g of the liquid. I don't think it matters but it is heated at 60 kj/minute. Would it just be amount multiplied by the temp when it starts to vaporize? I

*asked by jp on February 19, 2010* -
## Calculus Help

Based on the following table of values for the function w(t), answer the questions below. t= 100 110 120 130 140 150 w(t)= 2.6 7.3 12.7 19 26.1 34.1 a) Which of the following best describes the derivative of w(t)? A. changes sign B. always positive C.

*asked by Nat on July 3, 2014* -
## physics

A container holds 1.1 g of oxygen at a pressure of 7.40 atm . How much heat is required to increase the temperature by 110 degree C at constant pressure? How much will the temperature increase if this amount of heat energy is transferred to the gas at

*asked by Kidda on April 6, 2010* -
## physics

A house at the bottom of a hill is fed by a full tank of water 5.0 m deep and connected to the house by a pipe that is 110 m long at an angle of 58° from the horizontal (Fig. 13–48). (a) Determine the water gauge pressure at the house. (b) How high

*asked by emy on November 6, 2013* -
## Algebra

one side of a triangle is 3 inches shorter than twice the length of the shorest side. the third side is 5 inches longer than the shorest side. if the perimeter is 110 inches, find the lengths of all three sides

*asked by Anonymous on September 1, 2011* -
## math for elementary teachers

Suppose that carpeting cost $12.36 per square yard at a carpet store. what will be the cost to carpet a conference room if the rooms dimensions are 110 ft by 42 ft. (the conference room should seat 380 people using 6' diameter tables each seating 10

*asked by brittney on March 19, 2012* -
## physics

How much power is required to do 110 J of work on an object in a time of 0.4 s? W How much power is required if the same work is done in 5 s? W

*asked by james on January 23, 2012* -
## Math

I am a little confused with this trigonometry question. It says that sin0=O. I understand that because It says sin it means quadrant 1 and 2. The possible answers are 0, 90, 180, and 270. I know 270 is not correct but the others are confusing me. Angles 0,

*asked by Ineedhelp on January 21, 2018* -
## math

an aircraft with an airspeed of 295km/hr is heading south. wind blowing from East at 30km/hr is against the aircraft. 1) sketch the information clearly showing all angles and vectors. 2) calculate the resultant speed and direction of the aircraft

*asked by stormy on November 3, 2015* -
## physic

A rod is 2.40 m long and has a diameter of 2.50 mm. A force of 2000 N is applied to the end to stretch the rod by 1.40 mm. What is the tensile modulus for this rod?

*asked by ngeyoo on April 16, 2016* -
## Science

Body of mass 10 kg is at rest on a horizontal surface. A force of magnitude 10 N is applied to the body for 10 s. What is the final speed of the body?

*asked by Moonblood on February 7, 2017* -
## physics

A capacitor acquires 0.002 coulomb when 50 volts is applied. Its capacitance is a. 0.4 microfarad b. 4.0 microfarads c. 40.0 microfarads d. 400.0 microfarads

*asked by Isaac Pavlov on March 31, 2016* -
## physics

a net horizontal force of 7000N is applied to a car which is at rest.the weight of the car is 90000N. what will be the speed of the car after 10 second?

*asked by sugin on March 31, 2012* -
## basic science

if a force of 140 neaten is applied by a car over a distance of 10 metre within 10 second, calculate. (i) work done by the car. (ii) power of the car.

*asked by victor on April 28, 2012* -
## kashinath palod

an object of mass 3 kg is at rest. Now a force of vectorS = 6t2^i + 4tj^ is applied on the object then velocity of object at t = 3 sec. is?

*asked by dnyanada on July 7, 2016* -
## math

can someone show me how to solve this problem. It determines that in order to sell x smartphones, the price per product must be p=280-0.4x. It also determine that the total cost of producing x smartphones is given by C(x)=5000+0.6x. a. Find the total

*asked by ifi on December 10, 2012* -
## High School Physics

The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

*asked by . on October 25, 2012* -
## High School Physics

The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

*asked by Anonymous on October 25, 2012* -
## High School Physics

The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

*asked by . on October 25, 2012* -
## math

provide a counterexample to show that each statement is false. a) if a four sided figure has four congruent sides, then it has for right angles. at first i thought of a trapezoid proves that wrong but then i remembered only 2 sides have to be congruent for

*asked by Maryanne on September 1, 2010* -
## math

A disc-shaped spinner has five sections with the following colors and central angles: Blue, 60; Red, 120; Green, 45; Red, 45; and Yellow, 90. Determine the probability for one spin of the spinner. P(B U G)

*asked by Tina on February 10, 2013* -
## trigonometry

A line AB, 125 feet long, is measured along the sraight bank of a river. A point C is on the opposite bank. Angles ABC and BAC are found to be 65° 40' and 54° 30' respectively. How wide is the river?

*asked by shyiah on October 4, 2015* -
## Trigonometry

I'm having trouble figuring this out. An airplane has an airspeed of 160 mph. It is to make a flight in a direction of 80° while there's a 20 mph wind from 310°. What will the airplane's actual heading be? I'd appreciate any help especially on how you

*asked by Shannon on July 27, 2017* -
## Trigonometry

I'm having trouble figuring this out. An airplane has an airspeed of 160 mph. It is to make a flight in a direction of 80° while there's a 20 mph wind from 310°. What will the airplane's actual heading be? I'd appreciate any help especially on how you

*asked by Shannon on July 27, 2017* -
## precalculus

Forces with magnitudes of 250 pounds and 130 pounds, act on an object at angles 45°and -61° respectiviley , with the positive axis. Find the direction and magnitude of the resultant of these forces.

*asked by Aaaron on November 26, 2016* -
## pre-calc

two observers 3 miles apart and facing each other find that the angles of the elevation of a balloon in the same vertical plane with themselves are 28degree and 31 degree respectively.find the distance from the balloon to the observer located at the 31

*asked by Haley on November 6, 2012* -
## Chemistry

Did I answer these correctly? 1. What is the total number of principal energy levels or shells in an atom with an atomic number of 30? a. 3 b. 4 c. 5 d. 6 I choose b. 2. The electron configuration of an atom in the ground state is 2-4. The total number of

*asked by timmy123 on October 16, 2010* -
## 2math

n January, a company named ACME had 100 employees. In February they lost 15 employees, and in March the company hired 25 new employees. How many employees were working for ACME at the beginning of April? 100 105 110 115

*asked by annie on September 30, 2014* -
## geometry

If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area of the triangle?

*asked by Linda on February 10, 2011* -
## algebra

The measurement of two angles of a triangle are 44 degrees and 56 degrees. Find the measurement of the third angle. Show your work

*asked by Alexius on December 1, 2012* -
## Maths urgent

One regular polygon has twice as many sides as another. If the ratio of the interior angles of the first to that of second is 5:4, find the number of sides in each polygon?

*asked by Rabinprakash Dahal on September 13, 2015* -
## math

A pentagon has a perimeter of 60 inches, a side measures 12 inches. what is the sum of the measures of the interior angles.

*asked by a parent on February 20, 2017* -
## algebra

The measurement of two angles of a triangle are 39 degrees and 70 degrees. Find the measurement of the third angle. Show your work

*asked by Alexius on December 1, 2012* -
## geomatry

the measure of one angle of a linear pair is 3 thimes the measure of the other angle. find the measures of the two angles

*asked by jazz on October 18, 2011* -
## Act Question

all distances are in feet and all are right angles. a straight line drawn from point w to point z would be how long in feet?

*asked by confused on January 7, 2012* -
## Algebra

The interior angles of a regular polygon are all equal. What is the measure of each interior angle of an n-sided polygon? Thank you!

*asked by Cassie on March 10, 2009* -
## Math

Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? A) The quadrilateral is a trapezoid. B) The quadrilateral is a rhombus. C) The quadrilateral has congruent diagonals. D) None of the above

*asked by Becca on October 29, 2009* -
## Pre-calculus

What is the general expression in degrees for the measure of all angles coterminal with alpha when alpha=173 degrees?

*asked by Anonymous on May 12, 2013* -
## algebra

The measurement of two angles of a triangle are 69 degrees and 34 degrees. Find the measurement of the third angle. Show your work

*asked by Alexius on December 1, 2012* -
## Maths

The vertical angle of an isosceles triangle is twice the sum of the base angles. Find each angle of the triangle??

*asked by Aryan Goel on November 10, 2017* -
## Math

suppose that a given quadrilateral is a kite with no right angles. which of the following is possible A: the quadrilateral is a rhombus B: the quadrilateral has congruent diagnols C: the quadrilateral is a trapezoid D: None

*asked by Anonymous on January 30, 2010* -
## algebra

One of two complementary angles has a measure of 6º greater than the other. What is the measures of the larger angle? What is the measure of the smaller angle?

*asked by Anonymous on December 19, 2018* -
## physics

A car travel a distance of 8 km frome P to Q then moves 6 km at right angles to PQ .Find its travel distance and displacement

*asked by ajay yadav on June 27, 2018* -
## Maths

The longest side of a triangle measures 267m if two angles are 37 and 48 find the shortest side of the triangle

*asked by Israel on May 11, 2016* -
## Math

The m angle is 30 times more than twice angle B. If angle A and angle B form a linear pair find the measurement of both angles.

*asked by N on September 8, 2013* -
## gr9math

how many sides does a polygon have if the sum of its interior angles are a) 1080 b) 1260 How could i figure this out without being able to know how many sides the polygon has?

*asked by Rebecca on May 23, 2010* -
## Math

If the ratio of a base angle and vertical angle of an isosceles triangle is 1:2 find the angles of the triangle

*asked by Niken on March 19, 2016* -
## Alegbra 1

The difference between the measures of two supplementary angles is 8˚. What is the measure of the larger angle? What is the measure of the smaller angle?

*asked by Bill on December 15, 2017* -
## Algebra

Charlie's wallet contains 3 ones, 2 fives, 2 tens, and 4 twenty dollar bills. ?Charlie randomly grabs a bill from his wallet, replaces it, and grabs another bill. What is the probability that the sum of the two bills is $25? Maybe 6/25 or 6/110. I am

*asked by Blake on May 23, 2016*