# 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 6-
## Chem Problem

I need help solving this question, I have no idea what I'm supposed to do. What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.165 M in sodium chloride and 0.029 M in magnesium

*asked by Student on March 2, 2013* -
## Chem Problem

I need help solving this question, I have no idea what I'm supposed to do. What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.165 M in sodium chloride and 0.029 M in magnesium

*asked by Student on March 2, 2013* -
## Math

1. Two angles whose sides are opposite rays are called _____ angles. Two coplanar angles with a common side, a common vertex, and no common interior points are called ____ angles. A. Adjacent; vertical B. adjacent; complementary C. vertical; adjacent D.

*asked by tim on September 18, 2015* -
## physic

The composite bar BCD in the figure is composed of an inner aluminum cylindrical core of length 2l=2m and radius R=1cm and a sleeve of steel of length L=1m and thickness R=1cm surrounding the aluminum core in the CD section of the bar. The Young’s moduli

*asked by asas on May 1, 2013* -
## thermodynamic

Energy is added to a piston-cylinder arrangement. The piston is withdrawn in such a way that the temperature remains constant. The initial pressure and volume are 200 KPa and 2m^3, respectively. If the final pressure is 100 KPa, determine the work done by

*asked by chris on January 9, 2011* -
## statistics

Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has normal ditribution, the mean and the median are not equal. d. The

*asked by Michelle on May 8, 2010* -
## statistics

which of the following statements are correct? a. a normal distribuiton is any distribution that is not unusual. b. the graph of a normal distribution is bell-shaped. c. if a population has a normal distribution, the mean and the median are not equal. d.

*asked by jeff on August 16, 2010* -
## Algebra

A jet plane traveling at 550 mph overtakes a propeller plane traveling at 150 mph that had a 22-hour head start. How far from the starting point are the planes? The planes are ____ miles from the starting point.

*asked by Alison on September 17, 2017* -
## Science

A sample of gas under a pressure of 622 kPa has a volume of 233 mL. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure?

*asked by Yasmen on June 1, 2013* -
## Physics

The pressure of a gas in a cylinder with a movable piston is increased from 45 kPa to 90 kPa. If the temperature is held constant, and the initial volume of the gas in the cylinder is 0.5 m3, what is the final volume of the gas? a. 2 m3 b. 1 m3 c. 0.5 m3

*asked by Tommy on January 23, 2013* -
## Physics

The pressure of a gas in a cylinder with a movable piston is increased from 45 kPa to 90 kPa. If the temperature is held constant, and the initial volume of the gas in the cylinder is 0.5 m3, what is the final volume of the gas? a. 2 m3 b. 1 m3 c. 0.5 m3

*asked by Tommy on January 23, 2013* -
## math

Ang and Meryl have a total of 2 model airplanes in their collection. Meryl has 6 moreplanes than Ang. Which equation could be solved to find a, the number of planes Ang has? a+6=24, a+6a=24, a-6=24, or a+a+6=24

*asked by laura on January 24, 2012* -
## Chemistry

Some hydrogen is collected over water at 10 degrees C and 105.5 kPa pressure. The total volume of the sample was 1.93 L. Calculate the volume of the hydrogen or reacted to STP.

*asked by Charlie on March 2, 2016* -
## Physics

In Larry Niven’s science fiction novel Ringworld, a ring of material of radius 1.54 × 1011 m rotates about a star with a ro- tational speed of 1.38 × 106 m/s. The inhab- itants of this ring world experience a normal contact force ~n. Acting alone, this

*asked by helpplz on November 17, 2012* -
## Calc.

Determine the interaction of the line of intersection of the planes x + y - z = 1 and 3x + y + z = 3 with the line of intersection of the planes 2x - y + 2z = 4 and 2x + 2y + z = 1.

*asked by Derek on July 10, 2008* -
## Physics

1.Three forces in the x-y plane act on a 2.9 kg mass: 11.1 N directed at 20, 14.2 N directed at 131 , and 12.2 N directed at 201 . All angles are measured from the positive x-axis, with positive angles in the Counter-Clockwise direction. Calculate

*asked by Rams on September 28, 2008* -
## Physics

A chain composed of four identical links is suspended by a rope and does not move. How many force vectors would be drawn on the free body diagram of each link and which direction would they point? My answer: ---------- FIRST LINK (top): Upward force from

*asked by Stanley on September 21, 2010* -
## Physics

Two men lifted a total mass of 653.2 kg approximately 4 in. off the ground a total of 24 times. Estimate the total mechanical work done by the two men in lifting the boat 24 times, assuming they applied the same force to the boat during each lift. (Neglect

*asked by Sandhya on October 5, 2008* -
## CHEMISTRY

WHAT FACTORS ARE CONSIDERED TO BE STRESSES ON AN EQUILIBRIUM SYSTEM

*asked by ANDREW on March 26, 2010* -
## solid mechanics

describe in brief MOHR's circle for biaxial stresses.

*asked by Anonymous on February 1, 2014* -
## Finance

Equipment cost $625,000, salvage value $50,000 at end of 10 yrs. Probability .15 Cash Flow $60,000, .25 $85,000, .45 110,000, .15 130,000 What is expect cash flow, How do I stretch out for 10 years do I multiply about out get that total and get PV from

*asked by Ron on October 6, 2011* -
## Physics

Laser light with a wavelength = 665 illuminates a pair of slits at normal incidence. What slit separation will produce first-order maxima (i.e. m=1) at angles of 8 from the incident (or straight through) direction? Remember, 1 nm = m. Express your answer

*asked by Barry on March 17, 2012* -
## chemistry

a balloon has the volume of 90 L at a pressure of 45 kPa. What will the volume be if the pressure increases 135 kPa.

*asked by ? on November 4, 2010* -
## Physics

A 39.0 kg box initially at rest is pushed 4.50 m along a rough, horizontal floor with a constant applied horizontal force of 135 N. If the coefficient of friction between box and floor is 0.300, find the following. (a) the work done by the applied force J

*asked by Vince on April 28, 2013* -
## physics

A 33.0 kg box initially at rest is pushed 5.95 m along a rough, horizontal floor with a constant applied horizontal force of 145 N. If the coefficient of friction between box and floor is 0.300. find: the work done by the applied force the increase in

*asked by gene on October 14, 2011* -
## physics

Water flows at 0.830 m/s from a hot water heater, through a 450-kPa pressure regulator. The pressure in the pipe supplying an upstairs bathtub 3.70 m above the heater is 414-kPa. 1. What's the flow speed in this pipe?

*asked by josh on June 27, 2018* -
## physics

Water flows at 0.860m/s from a hot water heater, through a 450-kPa pressure regulator. The pressure in the pipe supplying an upstairs bathtub 3.70 m above the heater is 414-kPa. What's the flow speed in this pipe?

*asked by sandra on November 19, 2013* -
## Physics

A gas cylinder of volume 26 liters contains an ideal gas at temperature 27 degrees C and pressure 1920 kPa. Some of the gas leaks until the pressure falls to 1500 kPa. How many moles of gas leaked, assuming that the temperature remains constant during this

*asked by Riley on January 17, 2014* -
## Math

Determine whether the following statements are always,sometime, or never true.Explain 1.Three points determine a plane. 2.The intersection of two planes can be a point. 1.Never true, the three points must be noncollinear. 2.Never true, the intersection of

*asked by Shadow on October 7, 2010* -
## Math

The sum of the degrees of the interior angles of a triangle is _____ degrees What is the sum of the interior angles of a parallelogram ? What is the sum of the interior angles of a rhombus? What is the sum of the interior angles of a kite? What is the sum

*asked by Mackenzie on June 5, 2014* -
## maths

Two planes take off from the same airport at the same time. One plane travels on a bearing S 12degreeW at 400 miles per hour. The other plane travels on a bearing N 75degreeE at 300 miles per hour. How far are the planes from each other 3 hours after

*asked by ritu on November 17, 2011* -
## maths

Draw a right -handed rectangular reference frame with axes ranges x = -5 to +5, y = -5 to +10 , z = -5 to +5. Sketch the following planes on your reference frame. X-y plane passing through z =5, y-z plane passing through x = -2, z-x plane passing through y

*asked by gale gale on February 9, 2015* -
## AP Chemistry

Nitroglycerin is a shock-sensitive liquid that detonates by the reaction 4C3H5(NO3)3(`) −! 6N2(g) + 10H2O(g) + 12CO2(g) + O2(g) Calculate the total volume of product gases at 205 kPa and 263C from the detonation of 2.9 lb (1315.4 g) of nitroglycerin.

*asked by Anonymous on October 15, 2013* -
## physices

The light beam shown in the figure on the right makes an angle of 20.0° with the normal line NN’ in the linseed oil. Determine the angles θ and θ’. (Note: The index of refraction of linseed oil is 1.48.)

*asked by Anonymous on February 4, 2013* -
## Chemistry

you reacted magnesium with a hydrochloric acid aqueous solution and hydrogen gas was produced. Let's say that you collected the gas given off by the reaction and measured it's pressure as 102.1 kPa. If the vapor pressure of water is 16.2 kPa at this

*asked by Milo on November 29, 2017* -
## Science

you reacted magnesium with a hydrochloric acid aqueous solution and hydrogen gas was produced. Let's say that you collected the gas given off by the reaction and measured it's pressure as 102.1 kPa. If the vapor pressure of water is 16.2 kPa at this

*asked by Mi on November 29, 2017* -
## circles

a. To find X, you will need to add the arc measures together and set this expression equal to the total degrees of a circle and then solve for X. Must show all work. b. Here are the steps to take (show all work) 1. Plug your x-value from a into each of the

*asked by lilman on May 23, 2012* -
## Materials Science

In this problem, you will construct the 2D Mohr's circle for two plane stress states defined in terms of the Cartesian components of the stress tensor in the x,y reference frame: [ σx,σy,τxy]. For each of these stress states, you must construct and use

*asked by qwerty on October 10, 2014* -
## socology

10. What type of sociologist stresses a commitment to positively impacting society through sociology? Academic Applied Public Scientific 9. What are the five key social institutions that impact society? Economy, government, religion, education, and public

*asked by mace on May 8, 2013* -
## physics

Two hundred liters of gas at zero degrees Celsius are kept under a pressure of 150 kPa. The temperature of the gas is raised to 273 degrees Celsius and the pressure is increased to 600 kPa. What is the new volume?

*asked by Anonymous on April 1, 2011* -
## physics

A typical baseball has mass of 150 grams. Suppose a batter hits a fastball pitched to him at 92 mph (which is about 40.89 m/s). After contact, the ball's speed is measured as 104 mph (which is about 46.22 m/s) directly back at the pitcher (who is able to

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

an air traffic controller spots two planes at the same altitude flying towards one another. their flight paths form a right angle at point p. One plane is 150 miles from point p and is moving 450mph. the other plane is moving at 450mph but is 200 miles

*asked by David on September 9, 2012* -
## Math

an air traffic controller spots two planes at the same altitude flying towards one another. their flight paths form a right angle at point p. One plane is 150 miles from point p and is moving 450mph. the other plane is moving at 450mph but is 200 miles

*asked by Ryan on September 9, 2012* -
## Precalculus

an air traffic controller spots two planes at the same altitude flying towards one another. their flight paths form a right angle at point p. One plane is 150 miles from point p and is moving 450mph. the other plane is moving at 450mph but is 200 miles

*asked by David on September 9, 2012* -
## 11th grade-Math!

*asked by Amy on November 9, 2008* -
## physics

A 110 g ball has a kinetic energy 39.8 J. What's the magnitude of its momentum? Use your answer to find its speed. K=p^2/2m 39.8=p^2/(2*110) 8756=p^2 p=93.5735 kg*m/s ^this is wrong though. where did I go wrong?

*asked by lizbeth on February 18, 2016* -
## Phyics

Could you please check my work, I am not too sure what do. An airplane that flies at 100 km/h with a 10 km/h tailwind travels at 110 km/h relative to the ground. If it instead flies into a 10 km/h headwind, its groundspeed is : 110 km/h /2= 55 km/h

*asked by Soly on August 30, 2007* -
## geometry

Please respond to the following essay question: Draw and label 2 parallel lines as line m and line n. Add a transversal to your drawing and label it line p. Label all of the angles formed as #1-8. Use your drawing to respond to the following: a) Name four

*asked by nariah on November 23, 2015* -
## math please explian

an invoice for office supplies is shown below. Based on the informstion in the invoice calculate the invoice total Note: Shipping charges are $ 110.10 Stock number quantity unit merchandise description unite price 24795 150 ea calculator $10.63 32678 150

*asked by Lucy on May 18, 2008* -
## Math(geometry)

I need to know how to find the meausure of a triangle using vertical angles, and also how to measure a triangle using linear pairs... Oh, I hope I'm not too late with an answer for you... To measure a triangle using linear pairs, you have to use the

*asked by Dani on October 3, 2006* -
## Chemistry

Oxygen can be produced in the laboratory by the reaction 2 KClO3(s) → 2 KCl(s) + 3 O2(g) . How much potassium chlorate is needed to produce 2.75 L of oxygen, collected over water at 37◦C and 94.9 kPa? The vapor pressure of water at 37◦C is 6.28 kPa.

*asked by Caitlin on November 20, 2012* -
## geometry

if a polygon has 53 sides, what will the total number of degrees (i,e. the total number of interior angles) in this polygon

*asked by zyan on February 2, 2011* -
## math

in the problem -10+6g=110 would you plus or minus the -10 from the 110?

*asked by jill on January 5, 2012* -
## Geoometry Help: Find EF

ABC~DEF AB = 36, BC = 24, DE = 48 m

*asked by Michelle on March 29, 2013* -
## math

Thank you for you help. The pie chart below shows how the total annual income for a certain family is spent. If the total annual income is 110,000 , what amount is budgeted for Savings, Housing, and Auto combined? Saving is 18%, housing is 21% and auto is

*asked by mary ann on January 24, 2015* -
## Physical Science

During a storm, the wind exerts a 150-N force on a window that measures 1.00 m by 0.50 m. The outside air pressure is 101 kPa. What pressure, in pascals, does the wind exert on the window? a. 75 Pa b. 150 Pa c. 1.5 x 10^3 Pa d. 3.0 x 10^2 Pa e. 3.0 x 10^5

*asked by Ariel on March 21, 2012* -
## Chemistry

PLEASE HELP!! On a clear day at sea level, with a temperature of 25 °C, the partial pressure of N2 in air is 79 kPa and the concentration of nitrogen in water is 5.3 x 10-4 M. When the partial pressure of N2 is ________ kPa, the concentration in water is

*asked by Henry on May 25, 2012* -
## Chemistry

What is the vapor pressure of a solution composed of 3.0 moles benzene (vapor pressure 12.1 kPa) & 1 mole chloroform (vapor pressure 25.2 kPa)

*asked by Anonymous on January 16, 2008* -
## MATH

Travel Time A company president flew 680 miles one way in the corporate jet but returned in a smaller plane that could fly only half as fast. If the total travel time was 6 hours, find the speeds of the planes. how would I set up this problem?

*asked by jennifer on September 25, 2008* -
## physics

a 65kg oak trunk is placed on a board, inclined at an angle of 30 with the horizontal. What is the weight? The Normal Force of the trunk? The Applied force down the ramp?

*asked by Liam on November 18, 2012* -
## chemistry

An automobile tire contains air at a pressure of 200. kPa and 25°C. The tire and its air heat up during traveling. If the pressure increases to 250. kPa but the volume remains the same, what is the temperature of the air inside the tire?

*asked by hi on April 10, 2013* -
## Physics (dynamics)

While standing on a horizontal frictionless surface, a 50 kg student pushes against a wall with an average force of 125 N east for 0.110 s. Calculate the velocity of this student at 0.110 s

*asked by Anonymous on March 29, 2011* -
## Math - Please Check My Answer

Please help me with the following: Which of the following statements most accurately describes the difference between 3x^0 and (3x)^0, if a difference exists? A. There is no mathematical difference between 3x^0 and (3x)^0. The two are equivalent

*asked by Brady on October 2, 2014* -
## Statistics

1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has a normal distribution, the mean and the median are not equal.

*asked by Jackie on April 19, 2010* -
## Statistics

Which of the following statements are correct? 1.A normal distribution is any distribution that is not unusual. 2.The graph of a normal distribution is bell-shaped. 3.If a population has a normal distribution, the mean and the median are not equal. 4.The

*asked by Christy on July 14, 2010* -
## statistics

Which of the following statements are correct? a. a normal distribution is any distribution that is not unusual b. the graph of a normal distribution is bell-shaped c. if a population has a normal distribution, the mean and the median are not equal d. the

*asked by Christine on May 11, 2010* -
## statistic

1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has a normal distribution, the mean and the median are not equal.

*asked by Sonia on August 24, 2011* -
## physics

Let the radius oh a circular segment be 110 m, the mass of the car 1508 kg, and the coefficient of the static friction between the road and tire 0.9. Find the magnitude of the normal force N which the road evers on the car at the optional speed (the

*asked by Kyra on October 12, 2011* -
## Calculus III

Consider a room ten units long in the x, y, and z directions. Speci cally, the walls of the room are the four planes, x = 0, x = 10, y = 0, and y = 10, and the floor and ceiling are z = 0 and z = 10,respectively. A flat triangular mirror is mounted in one

*asked by Sarah on September 8, 2010* -
## Physics

Two boxes on a horizontal surface, as shown in the figure above, are moving together under the influence of a horizontal force, F. The coefficient of kinetic friction between the boxes and the surface is 0.40. Use g = 10 m/s2. In case (a), a horizontal

*asked by Jeanne on October 10, 2011* -
## Chemistry

Methanol ---> Normal BP: 64.6°C --> dHvap: 35.3kJ/mol iso-Propanol ---> Normal BP: 82.3°C --> dHvap: 45.4kJ/mol Cyclohexane ---> Normal BP: 80.7°C --> dHvap: 33.1kJ/mol Question: Ethanol has a normal BP of 78.3°C. Why is the normal BP higher than

*asked by May on February 13, 2015* -
## Physics

The lenses used in a compound microscope have powers of + 110 D and + 60 D . If a total magnification of -150 × is desired, what should be the distance between the two lenses?

*asked by Kim on March 19, 2017* -
## Physics (2)

I have this number where they give me the coordinates of 3 particles and the mass of each one of them. Afterwards, there's a force applied on 2 of those particles and they ask me to calculate the systems total moment of inertia. But then they ask me this:

*asked by Raf on February 21, 2012* -
## Physics

At one end of the Venturi Tube the pressure and speed of flowing water is 21 kPa and 0.05m/s respectively. At another point the pressure is 5 kPa. Find the speed of the water at the second point. Answer in m/s

*asked by Anonymous on May 30, 2016* -
## science

At a pressure 43 kPa, the gas in a cylinder has a volume of 11 liters. Assuming temperature remains the same, if the volume of the gas is decreased to 5 liters, what is the new pressure? kPa Im guessing it 58 or 77x10^3

*asked by heather on August 18, 2017* -
## ap chemistry

Nitroglycerin is a shock-sensitive liquid that detonates by the reaction 4C3H5(NO3)3(`) −! 6N2(g) + 10H2O(g) + 12CO2(g) + O2(g) Calculate the total volume of product gases at 210 kPa and 296C from the detonation of 2.7 lb (1224.7 g) of nitroglycerin.

*asked by cheri on February 10, 2013* -
## math

A city planning engineer in Cleveland must check the 10 angles that make up the three intersections on the map of downtown. If any of the angles formed by the intersections of the streets is greater than 135°, different road signs have to be used due to a

*asked by pihhy on April 28, 2018* -
## economics

The hand made snuffbox industry is composed of 100 identical firms, each having short-run total costs given by STC=0.5q^2+10q+5 and short-run marginal costs by SMC=q+10 where q is the output of snuffboxes per day. a. What is the short-run supply curve for

*asked by jennifer on November 3, 2007* -
## Mathematics

Are the figures below similar? Why or why not?(Use the link below. You cannot directly copy then paste it to another tab, you need to delete the spaces in the link then enter into the website showing the picture to answer this question.) gyazo . com /

*asked by Derpy Hooves on November 21, 2012* -
## physics

two forces of 62N and 95N are acting on an object at an angle of30 degree and 60 degree from horizontal in opposite direction . find out total force experienced by the object in horizontal and vertical planes?

*asked by anupriya on May 22, 2012* -
## psychology

A developmental psychologist who stresses the importance of the social clock would be likely to agree that:

*asked by godfrey on August 7, 2014* -
## Physics

An engineer is designing a runway for an airport. Several planes will use the runway and the engineer must design it so that it is long enough for the largest planes to become airborne before the runway ends. The largest plane accelerates at 3.30 m/s2 and

*asked by grace on October 24, 2010* -
## Science

A pressure of 2 KPa is acting on a gas with a volume of 60 liters. If the pressure decreases to 1 kPa, what volume will the gas occupy?

*asked by Danielle on May 5, 2011* -
## Physics Dynamics

A sled of mass m = 70.0 kg is being pulled horizontally on a frictionless floor by a force F = 420 N that makes an angle 20.0o above the horizontal. What is the magnitude of the normal force applied by the ground on the sled?

*asked by Anonymous on February 13, 2015* -
## Physics - Question

I have this number where they give me the coordinates of 3 particles and the mass of each one of them. Afterwards, there's a force applied on 2 of those particles and they ask me to calculate the systems total moment of inertia. But then they ask me this:

*asked by Raf on February 22, 2012* -
## English

Which statement most accurately contrasts the ideas of different literary periods? A. Anglo-Saxon literature focuses on free will, whereas Renaissance literature suggests that human beings are controlled by fate. B. Literature of the Middle Ages focuses on

*asked by Emi on March 11, 2015* -
## math

Hello I v got 4 question with answers .. Could somebody check that for me,please. 1.If two angles of a triangle add up to 110^what is the size of the third angle? I think is 55 2.Three children shared £6 Bred received 1/4 Lynsey was given 1/3 and James

*asked by DAMIAN on January 29, 2014* -
## Math(Calculus)

Ok I have a bunch of questions, please bare with me and i'd appreciate it VERY much if you could help me with these! 1. Assume that you are given the equations of three planes. Without solving the system, describe a "test" with rationale, that you could

*asked by rick on August 12, 2010* -
## chemistry

A metal tank contains three gases: oxygen, helium, and nitrogen. If the partial pressu of the three gases in the tank are 5 atm of O2, 900 mm Hg of N2, and 1.4 kPa of He what total pressure inside of the tank?

*asked by karen on February 1, 2016* -
## Chemisrty

Temp c KBr 20 65 40 80 60 90 80 100 100 110 At 100 C, 10.5 g KBr/10gH2O = 105 g/100 g (just multiply the top and the bottom by 10 to give you 100 g H2O) B) Since the solubility at 100C is actually 110, no, it isn't saturated (105 is less that 110). C) Yes,

*asked by Monster on May 18, 2011* -
## Math

What is the difference of applied, basic and pure research? So my thoughts is applied research is done to determine something happens and applied research is the application of knowledge. Can you give an example of a question that would guide applied

*asked by Tameika on April 18, 2013* -
## Physical Science

What is the total number of electrons in a normal atom of hydrogen?

*asked by casey on February 19, 2008* -
## Math

Select all that are true With which information can you construct more than one triangle? The measurements of two angles The measurements of two angles and the length of the included side The measurement of all angles The lengths of two sides and the

*asked by Anonymous on June 22, 2017* -
## math

A broken clover has 2 leaves, a normal clover has 3 leaves, and a luckey clover has leaves. Ia a bunch of these clovers, there are twice as many normal clovers as broken clovers and 5 times as many normal clovers as lucky clovers. the bunch has a total of

*asked by Dharma on March 9, 2011* -
## Chemistry

Mg + 2HCl -> MgCl2 + H2 Over an interval of 1.00s, the mass of Mg changes by -0.011g What is the corresponding rate of consumption of HCl (in mol/s)? I got 9.0E-4 mol/s and that's the right answer. But I'm having problems with the next question. Calculate

*asked by a Canadian on February 24, 2013* -
## Math Question

Which one of the following pairs of triangle must be similar? a) two isosceles triangles with congruent vertex angles b) two right triangles c) two scalene triangles with congruent bases d) two obtuse triangles a) if the two vertex angles are the same then

*asked by Becky on March 4, 2007* -
## Algebra

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 5 liters, the pressure is 158 kPa (kilopascals). What is the volume when the pressure is 395 kPa?

*asked by Anonymous on March 8, 2016* -
## phsyics

please I really need help with these 1. A man pulls a 300 N object across a horizontal surface using a 100 N force applied at a 35° angle. What is the normal force? If the object is pulled at constant speed, what is the coefficient of friction?

*asked by physics LSU on October 13, 2010* -
## physics

1. A man pulls a 300 N object across a horizontal surface using a 100 N force applied at a 35° angle. What is the normal force? If the object is pulled at constant speed, what is the coefficient of friction

*asked by devin boutte on October 13, 2010* -
## Physics

A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 25° above the horizontal. If the normal force exerted on the suitcase is 155 N, what is the force F applied to the handle? and.. A paleontologists estimate that if a

*asked by amy on January 13, 2010*