# 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

33,545 results, page 84
1. ## Math

Harrison has a total of 30 red and green bowling balls at his bowling alley. Each red ball weighs 8lbs and each green ball weights 9 lbs. If the total mass of green balls is 49 lbs heavier than the total mass of red balls, how many red balls does he have.

asked by Anonymous on January 15, 2016
2. ## English

Can you please help me check these sentences, please? Thank you. 1) Slaves were considered as animals: white slaves used to sell them by auction. 2) Furthermore, white slave owners imposed a system of punishment and reward (better: of punishments and

asked by Mike on March 7, 2011
3. ## physics

The driver of a car is initially moving at a constant speed of 71.8 km/h when a traffic light turns red. If a 0.550 s reaction time is required before the brakes can be applied, what is the distance in meters traveled by the car before it begins to slow

asked by Anonymous on September 11, 2012
4. ## psychology

Ethical standards in human research allow researchers to balance interests in acquiring new information with concern about: a. public approval b. Dignity and human welfare c. Making money from experiments d. Applied science e. Getting academic recognition

asked by Taylor B on June 25, 2013
5. ## physics

a car travel with a uni form velocity of 25m/s for 5& the brak over then applied and the car coms the rest wirh a uniform retar in fyrther 10s draw ut grph and use it to find 1 distance covered 2 the reatardation

asked by ramesh on June 20, 2014
6. ## Math

The definition of the derivative, applied to f(x) = 7^x, results in the formula f'(x) = k \cdot 7^x where k = lim of ((7^h-1)/(h) h approaches 0 The value of the constant k cannot be determined using the usual tricks for evaluating limits. Using your

asked by Jordan on September 1, 2015
7. ## Physics

Police find skid marks 180 meters long on a highway where a car made an emergency stop. Assuming that the deceleration was a = 10 m/s¶ (about the maximum for dry pavement), how fast was the car traveling before the brakes were applied?

asked by lee on November 14, 2013
8. ## English / Business

I have applied an internship in a big 4 firm recently, but I don't know if I will be selected to the on campus interview until 3 days from now. But before that, I want to request a office location preference change. How can I do this in a appropriate way?

asked by Sara on September 27, 2009
9. ## Chemistry problem

The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules.

asked by Tymee on October 21, 2012
10. ## physics

The driver of a car is initially moving at a constant speed of 76.0 km/h when a traffic light turns red. If a 0.455 s reaction time is required before the brakes can be applied, what is the distance in meters traveled by the car before it begins to slow

asked by Nour on September 14, 2011
11. ## Chemistry problem

The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules.

asked by Tymee on October 22, 2012
12. ## Chemistry

Each Rolaids tablet contains .550 g of calcium carbonate and .110 g of magnesium hydroxide. Kroger Extra Strength antacid tablets contain .750 g of calcium cabonate per tablet. What is the neutralizing ability per gram for each tablet in mol/g? Might not

asked by Bob on February 20, 2007
13. ## Math

The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 miles from the center of the earth), an astronaut weighs 110 pounds. Find her weight when she is 139 miles above the surface of the

asked by Stacy on September 24, 2014
14. ## reimbursement methodologies

Can anyone please assist me, I need the anwser to this question-- Mrs. Hall was admitted to the hospital for the first time this year on September 15. On September 25, she was transferred to a skilled nursing facility where she stayed until October 30. She

asked by Nadya Crouch on January 4, 2011
15. ## physics (work posted)

For a body to be in equilibrium under the combined action of several forces. a) all the forces must be applied at the same point b) all of the forces form pairs of equal and opposite forces c) the sum of the components of all the forces in any direction

asked by Diane on December 10, 2006

Hello I was wondering if someone could help me with this. P=Price Q=Quantity TR = Total Revenue Price ($) Quantity 7 0 6 100 5 200 4 300 3 400 2 500 1 600 0 700 Total Revenue = P X Q We assume a linear relationship. They said that they know the demand asked by Anonymous on January 14, 2013 17. ## Physics A projectile is fired from ground level with an initial velocity of 50m/s and an initial angle of 30degree. Assuming g= 9.8 m/s*2, find: (a) The projectile total time of flight. (b) The maximum height attained (c) The total horizontal traveled (d) The asked by Abraham on September 24, 2012 18. ## Houston community college A projectile is fired from ground level with an initial velocity of 50m/s and an initial angle of 30degree. Assuming g= 9.8 m/s*2, find: (a) The projectile total time of flight. (b) The maximum height attained (c) The total horizontal traveled (d) The asked by Abraham on September 24, 2012 19. ## math You have accepted a project that includes visiting 10 retail locations. Your hourly rate is$12/hour. After completing the 10 locations you have accumulated the following expenses: 5.75 hours worked on the project, 135 miles traveled (paid from mile 1 at

asked by nydia on October 22, 2012
20. ## calculus

the management of a company has decided that the level of its investment should not exceed C dollars. Furthermore, managament has decided that the rate of net investment (the rate of change of the total capital invested) should be proportional to the

asked by mari on April 10, 2012
21. ## physics e&m

This question concerns your ability to manipulate combinations of capacitors. Devise a network of capacitors whose total equivalent capacitance is 2μF while the total voltage difference from one end to the other end is 400 V. Your challenge is to do this

asked by njood on October 26, 2013
22. ## Algebra

I just need some help finding the equations to this problem and i will know how to do the rest. Kenisha sells athletic shoes part-time at a department store. She can earn either $500 per month plus a 4% commission on her total sales, or$400 per month plus

asked by Brielle on November 6, 2012
23. ## Math

What Is the measure of an angle that is complementary to a 47 degrees angles? A. 43 degrees B 53 degrees~~~ C. 153 Degrees D. 180 Degrees

asked by John on February 23, 2017
24. ## math quadratic functions

Alice cuts a ribbon of length 40cm into two pieces to form two squares as shown in th figure (there was no figure, but from my assumption the two squares are probably different ). Let xcm be the length of a side of one of the two squares a)express the

asked by Rose on August 9, 2016
25. ## Geometry

In baseball, the length of the path between each pair of consecutive bases is 90 feet. The paths form right angles. How far does the ball need to travel if it is thrown from home plate directly to second base? A. 90 feet B. 127.3 feet C. 135.7 feet D. 180

asked by anon on March 7, 2014
26. ## Physics

A race car can be slowed with a constant acceleration of -11 m/s^2 a. If the car is going 55 m/s, how many meters will it travel before it stops? b. How many meters will it take to stop a car going twice as fast? I know you use the equation d = Vit +1/2

asked by Priscilla on December 26, 2009
27. ## chemistry

Fe(s) + Cu^2+(aq)--> Fe^2+(aq) +Cu(s)(1) 2Fe(s) + 3Cu^2+(aq)--> 2Fe^3+(aq) +3Cu(s) (2) suppose that you use 1.110 g of Iron in this experiment what is the minimum volume of 1.0M of copper sulfate solution that you should add? Hint: since you don't know

asked by cindy on September 17, 2007
28. ## Math

I'm having trouble with a math problem, it says: A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees kelvin. When the temperature of the gas is raised to 533 degress kelvin, what is the new volume of the gas? Thank

asked by Mirayah Robinson on July 5, 2005
29. ## Finance

Here is a forecast of sales by National Bromide for the first 4 months of 2012 (figures in thousands of dollars): Month: 1 2 3 4 Cash sales 19 28 22 18 Sales-on-crdt 140 160 130 110 On average, 40% of credit sales are paid for in the current month, 20% in

asked by L on October 10, 2012
30. ## Economics

Assignment 3 1. Some games of strategy are cooperative. One example is deciding which side of the road to drive on. It doesn’t matter which side it is as long as everyone chooses the same side. Otherwise, everyone may get hurt. Driver 2 Left Right Driver

asked by Harry on March 2, 2010
31. ## Economics

Some games of strategy are cooperative. One example is deciding which side of the road to drive on. It doesn’t matter which side it is as long as everyone chooses the same side. Otherwise, everyone may get hurt. Driver 2 Left Right Driver 1 Left 0,0

asked by Michael on February 14, 2011
32. ## Math

Marvin's Taxi Service charges $0.30 for the first kilometre and$0.05 for each additional km. If the cab fare was $3.20, how far did the Taxi go? Cost of first kilometer =$0.30 Total cost of additional kilometers = (3.20 - 0.30)= 2.90 Total number of

asked by Rezu on April 25, 2012
33. ## Math

A student has a total score of 139 on their test out of a total of 150 points. What is average after you divide it by three if the test is worth 50 points? Heres how its set up: 139/150 divided by 3 = ? / 50

asked by Jen on March 9, 2008
34. ## Math

Two parallel resistors have resistances R1 and R2. If the total resistance is R, then 1/R = 1/R1 + 1/R2. R1 is increasing at 0.04 ohm/sec,and R2 is decreasing at 0.03 ohm/sec. How fast is the total resistance changing at the moment that R1 is 3 ohms and R2

asked by Anonymous on March 7, 2015
35. ## math

During a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3,600 meters, find the total distance of the triathlon route.

asked by Lillianna on October 28, 2016
36. ## Math : fraction

During a triathlon, Susan swims 1/4 of the total route and cycles 3/5 of the renaming route. She runs the rest of the route. If she runs 3,600 meters, find the total distance of the triathlon route?

asked by Meet on January 27, 2016
37. ## MATH

You have $110 IN YOUR lunch account and plan to spend$2.75 each school day. a) Write and graph a linear equation that represents the balance in your lunch account (i just need help making an equation for this problem) b) How many school days will it take

asked by stephanie on February 5, 2011
38. ## Chem Check

Can someone verify my answers please? convert the folowing into a pressure reading expressed in torr A. 1.25atm * 760torr/1.0atm = 950. torr B. 2.48 x 10^-3 atm * 760torr/1.0atm = 1.88 torr C. 4.75 x 10^4 atm* 760torr/1.0atm = 3.61 x 10^7 torr D. 7.60 x

asked by Chopsticks on March 18, 2009
39. ## physics

A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2. This is my work but i am not sure if it is correct: sum of forces on x axis=

asked by alexa on July 14, 2011
40. ## microeconomics

TRUE OR FALSE: 9. Assume that the Minimum Wage has increased to $14 from$10. If the total labour-income at the wage of $14 is higher than the total labour-income at the wage of$10, it means that the labour-demand with respect to wage is elastic. FALSE. I

asked by Lena on May 31, 2011
41. ## physics

why use a 3 wire system instead of a 2 wire system when wiring an electric heater with metal casing So the metal casing can be "grounded" andnot aquire the potential lethal voltage if a 110 V wire inside becomes loose, wet or loses its insulation. If this

asked by sophie on December 29, 2006
42. ## chemistry

One of the steps in the Ostwald process for the production of nitric acid involves oxidation of ammonia. 4NH3 (aq) + 5O2 (g) 4NO (g) + 6H2O (g), Delta H= -905kJ a) State the reaction conditions that favour the production of nitrogen monoxide. b) A

asked by Ahmed on December 5, 2011

For this math problem I am selling 30 pies for $25 each at the farmers market. I spent$500. $200 on the booth and$300 on all of the pies, each pie costing $10 to make. I earned$750 total, making a $250 profit. c. In Task 1 you determined how much you asked by Spn on October 18, 2017 44. ## Finance The Do-All-Right Marketing Research firm has promised payments to their bondholders oneperiod from now that total$100. The company believes that there is a 85% chance that the cash flow will be sufficient to meet these claims. However, there is a 15%

asked by NENE on July 10, 2011
45. ## math

Choose the one alternative that best completes the statement or answers the question. Find the probability. The table describes the smoking habits of a group of asthma sufferers. |Non|Light|Heavy|Total Men| 311| 82 | 74 |467 Women| 329| 68 | 60 |457 Total|

asked by Sarah on September 2, 2010
46. ## Statistics

What is the difference between the null and alternative hypotheses statements in one-tailed and two-tailed tests? How can manufacturing companies use the standard normal distribution to determine quality control of their products?

asked by Montoney on August 28, 2010
47. ## physics

A 4.3 g mass is released from rest at C which has a height of 0.8 m above the base of a loop-the-loop and a radius of 0.31 m. The acceleration of gravity is 9.8 m/s2 . Find the normal force pressing on the track at A, where A is at the same level as the

asked by luke on June 19, 2013
48. ## physical science

Calculate your average walking speed by measuring off a ten meter distance and walking at your normal pace while timing yourself with the second hand on the room clock or a watch. If you have a stopwatch, so much the better.

asked by quartiyanna on September 10, 2015

A shoe store knows that the purchase amount by its customers is a random variable that follows a normal distribution with a mean of $30 and a standard deviation of$9. What is the probability that a randomly selected customer will spend $30 or more at this asked by Anonymous on December 28, 2012 50. ## Statics The right angle uniform slender bar AOB has mass m. Assuming a frely hinged pivot O, determine the magnitude of the normal force at A and the magnitude of the pin reaction at O. asked by Margaret on October 16, 2012 51. ## 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 asked by anonymous on February 13, 2010 52. ## chemistry Mt. McKinley in Alaska has an altitude of 20,320 ft. Water (enthalpy of vaporization=40.7kJ/mol) boils at 77C atop Mt. McKinley. What is the normal atmospheric pressure at the summit? asked by Juggernaut on July 7, 2009 53. ## how to start your own daycare basic steps the philosophy of a child care program describes a.how to go about accomplishing your goals b.a list of policy considerations for parents to follow c.normal child growth and development my answer is c asked by susue on February 25, 2015 54. ## English - Publishing If I self-publish my books (stories I wrote) then later on about maybe a year later (just saying) I decide to show my work to the world by REALLY publishing it like normal authors due by making copies can you do that???? and also if i am self-publishing it asked by Laruen on July 9, 2012 55. ## Maths(Surface integral/flux) Let S be the funnel shaped surface defined by x^2 + y^2 = z^2 for 0 asked by Ariana on December 26, 2016 56. ## Physics A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires? asked by Litany on November 13, 2009 57. ## Physics What is the angle of refraction of a light ray that enters the surface of a calm lake from air at an angle of 45 degrees to the normal? The refractive index of water is 1.333. 32.04 45.00 59.99 33.76 I was thinking A or D asked by Derp on October 31, 2012 58. ## Stat α=0.05 for a two-tailed test. Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis. Is the correct answer +/- 1.96? asked by Anonymous on September 30, 2014 59. ## Math Month. Temperature January 41f February 45f March. 54f April. 62f May. 69f Between which two months in Atlanta does thaw normal temperature change the most? asked by Shion on November 29, 2012 60. ## math For a fundrasier, the Best Buddies club sold t-shirts. The adult shirts were$15 per shirt and the youth shirts were $12 per shirt, and they made a total of$330 on the shirts. If they sold a total of 26 shirts, how many of each did they sell? I don't

asked by ANNIE on February 28, 2013
61. ## algebra

To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat(in acres)polled. a. Write an equation using only one variable

asked by Jack on April 9, 2008
62. ## physics

Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y⟩. If we run for m+1 additional steps (i.e. total of 2m+1 steps from the initial state), what is the resulting

asked by manu on October 13, 2013
63. ## calculus (optimization)

a rectangular study area is to be enclosed by a fence and divided into two equal parts, with the fence running along the division parallel to one of the sides. if the total area is 384 square feet, find the dimensions of the study area that will minimize

asked by yareli on November 30, 2013
64. ## Math

Diegos class planning a field tripfor 25 students.They will go to aquarioum and then to science museum. Each ticket for science cost $2 more than each ticket to aquarium. Lunch for each student is$5 additional. Write and expression for total cost of

asked by Darryl on September 10, 2017
65. ## Math

Pradip and pam each have apple slices and orange slices. The ratio of apple slices to the total number of slices is 4 to 11. The ratio of the total number of slices to orange slices on Pam's plate is 13:6. Neither person has more than 20 total slices. Who

asked by Angel on October 17, 2017
66. ## Physics

An object is attached to a horizontal spring. It is initially displaced by distance Δx from the equilibrium position and then released from rest. At what point of its motion along the x-axis reaches the object its highest total energy a) At the

asked by Michael on December 2, 2010
67. ## Math

The local zoo has 3 lions, 4 elephants, 2 giraffes, 5 monkeys, and 2 zebras. What is the ratios of zebras total animals. Answer: I counted the total number of animals which is 16 so I got 2 zebras to 16 animals or 2:16 or 2/16 Do I need to do anything else

asked by Matt on September 14, 2016
68. ## Physics

A velodrome is built for use in the Olympics (see the figure below). The radius of curvature of the surface is 15.9 m. At what angel should the surface be banked for cyclists moving at 15.0 m/s? Choose an angle so that no frictional force is needed to keep

asked by Emily on October 1, 2014
69. ## organi chemistry

Calicheamicin is an antitumor compound produced by a microorganism isolated in Texas soil. Below is the enediyne core of calicheamicin, which is responsible for its antitumor activity. (a) Mark the hybridization state of each carbon. Ignore the –R

asked by marta on January 25, 2014
70. ## Physics

Jake has a mass of 88.0 kg and is zooming along in a 110.0-kg bumper car at 9.4 m/s. He bumped Allen's car, which is sitting at rest. Allen has a mass of 88.0 kg. After the elastic collision, Jake continues ahead with a speed of 3.2 m/s. How fast is

asked by Ian on March 18, 2013
71. ## Physics

A guitar string has a tension of 100 N and is supposed to have a frequency of 110 Hz. When a standard tone of that value is sounded while the string is plucked, a beat frequency of 2 Hz is heard. The peg holding the string is loosened (decreasing the

asked by Ryan on February 3, 2013
72. ## Pre cal

1. An airplane flies 200 km on course 110 degrees from point A to point B. At point B the pilot changes course to 37 degrees. The plane then flies 100 km to point C. Find the magnitude of the net displacement from A to C. 2. A plane is flying on a bearing

asked by Henry on May 15, 2014
73. ## Geometry - not Geography

A line segment on a number line has its endpoints at -9 and 6. Find the coordinate of the midpoint of the segment. A. 1.5 B. -1.5 C. 2 D. -3 2. Find the coordinates of the midpoint ~hx(line over hx) given that H(-1,3) and X(7,-1). A. (3,1) B. (0,4) C.

asked by Connections Academy Sophomore on August 16, 2018
74. ## physics

-Suppose that a person is standing on the edge of a cliff 50 m high, so that the ball in his/her hand can fall to the base of the cliff. Questions (a)-How long does it take to reach the base of the cliff? (b)- What is the total distance traveled by the

asked by ruby on July 22, 2008

A company requires 5,000 units of a product in a single year. It costs them $100 per order for expenses such as transportation and communication. If the product is carried in inventory, the carrying cost equals 1% of the price of the product for every asked by carey on April 29, 2010 76. ## physics An AC voltage of the form Δv = (65.0 V)sin(340t) is applied to a series RLC circuit. If R = 46.0Ω, C = 27.0 μF, and L = 0.300 H, find the following. (a) impedance of the circuit Ω (b) rms current in the circuit A (c) average power delivered to the asked by Michelle on March 23, 2018 77. ## analysis of variance which analysis of variance should be applied when an experiment has more than one independent variable. Discuss the assumptions and limitations of the analysis of variance in comparison with the t test including a discussion of post hoc tests asked by smith on December 15, 2010 78. ## Physics 12 kg wagon is being pulled at an angle of 38o above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? Is this question a typo? Am I supposed to solve for force or work? asked by silverback on January 13, 2016 79. ## Physics four similar cars having same mass are running at the same speed on the same speed and when breaks are applied at the same time the cars cover distance of 5m, 5.5m, 4.8 and 5.2 m. In which car the friction between the brake pads and disc is maximum asked by Sandhya Rajesh on February 17, 2014 80. ## Physics A 12 kg wagon is being pulled at an angle of 38degrees above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? I not sure how to do this question. Is work involved for this question. asked by I need Physics help on January 12, 2016 81. ## Biology Need help answering these questions-- How can genetic engineering be applied to everyday life? How can genetic altering benefit the society of today and future societies? What areas of life could this manipulation of genes cause? Thanks -MC asked by mysterychicken on April 9, 2010 82. ## Science A taxi of mass 2500kg is travelling at 15 meters per second and needs to stop at an intersection at the bottom of a hill with an incline of 20 degrees.Calculate the force that must be applied to bring the taxi to rest at 75 meters asked by Anonymous on April 27, 2010 83. ## math I have a graph plotted which makes a straight line (linear graph) The points are as follows X , Y (.25, 0.593) (.50, 1.161) (.75, 1.762) (1.0, 2.348) I need to determine the linear range. Also, can Beer's Law be applied? asked by j on September 4, 2010 84. ## physics A force of 40N is applied at the end of a wire 4m long and produces an extension of 0.24mm. If the diameter of the wire is 2.00mm calculate the stress on the wire and strain in the wire. With full workings please asked by andre on April 23, 2018 85. ## Biology Need help answering these questions-- How can genetic engineering be applied to everyday life? How can genetic altering benefit the society of today and future societies? What areas of life could this manipulation of genes cause? Thanks -MC asked by mysterychicken on April 10, 2010 86. ## physics A large crate weighing 850 N is slid across the floor of a shop. To move the crate 15 m at a steady spead of 10 cm/s, a constant horizontal force of 80 N is applied to the crate. How much work was done in moving the crate? asked by Rashad on November 24, 2010 87. ## analysis variance which analysis of variance should be applied when an experiment has more than one independent variable. Discuss the assumptions and limitations of the analysis of variance in comparison with the t test including a discussion of post hoc tests asked by wallic on December 22, 2010 88. ## physics a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction asked by ang on May 24, 2010 89. ## PHYSICS You are driving your car and the traffic light ahead turns red. You applied the brake for 3.00 seconds and the velocity of the car decreases to 4.50 m/s. The car's deceleration has a magnitude of 2.70 m/s^2 during this time. What is the car's displacement? asked by Jino on July 29, 2014 90. ## physics a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction asked by josh on May 24, 2010 91. ## physics A 90 kg box is pushed by a horizontal force F at constant speed up a ramp inclined at 28°, as shown. Determine the magnitude of the applied force. when the ramp is frictionless. when the coefficient of kinetic friction is 0.18. asked by Anonymous on June 26, 2014 92. ## Physics An aluminum (with Young's modulus 7 x 10^10 Pa) rail is 88.0 m long and has cross-sectional area 0.00050 m^2. The rail is fixed at one end and a 4000 N force is applied at the other end. By how much does the bar stretch? asked by Mary on November 27, 2016 93. ## calculus find the function that is finally graphed after the following transformations are applied to y=square root x in the order listed. a. reflected about the x-axis b. shift up 7 units c. shift right 5 units y=? would the answer be: y=sqrt(-x-5)-7 asked by Heather on December 14, 2012 94. ## physics An applied force of 450N is needed to drag a 100kg crate at a constant speed across a horizontal rough floor. Calculate the coefficient of kinetic friction for the crate on the floor. asked by Anonymous on January 25, 2016 95. ## Math With the 20% off coupon, Alexis received a discount of$15 on her shoes. What was the regular price of her shoes before the 20% off coupon was applied? Justify your answer using equations, models, and/or words to explain your mathematical reasoning.

asked by Don't need to know. Sorry on February 9, 2017
96. ## Physics

A car is moving with a velocity of 16 m/s when the brakes are applied and the wheels lock (stop spinning). The car then slides to a stop in 37 m. Find the coefficient of kinetic friction between the tires and the road.

asked by Alex on May 15, 2012
97. ## Physics

A force of 580 N is needed to be applied on a rope at an angle of 30 to the horizontal in pulling a crate with a constant velocity across a horizontal plank. What is the mass of the crate if the coefficient of kinetic friction is o.25?

asked by Nimfa on November 28, 2011
98. ## Physics

A 3.10 kg block is pushed along a floor by a constant applied force that is horizontal and has a magnitude of 43.5 N. What is the coefficient of kinetic friction between the block and the floor? I tried dividing the N by the KG and vise versa but it didn't

asked by xxxxxxx on April 11, 2016
99. ## physics

In a head on collision,a car stops in 0.18s from a speed of 29 m/s . The driver has a mass of 74 kg, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second?

asked by Anonymous on February 18, 2012
100. ## Applied Geometry maths

A Maths Applied student holidaying in Sydney notices that the Centrepoint tower has an angle of elevation of 15deg20'. After walking 400m directly towards the tower she now observes the elevation to be 24deg33'

asked by Mandy on June 19, 2013