1. Math - Limits/Derivatives

    If a price-demand equation is solved for p, then price is expressed as p = g(x) and x becomes the independent variable. In this case, it can be shown that the elasticity of demand is given by E(x) = - [g(x) / xg'(x)]. Use the given price-demand equation to

    asked by Jess on October 19, 2013
  2. Finance

    Assume that you have a balance of $5000 on your Visa credit card and that you make no more charges. If your APR is 22% and each month you make only the minimum payment of 3% of your balance, then find a formula for the balance after t monthly payments. A.

    asked by Math on June 28, 2015
  3. Religions of the World

    I need some help. for my finial project which is due in 6 weeks I am to pick a religion and write about it as well as find a person from that religion and conduct an online or in person interview with. In this interview I am to ask questions such as What

    asked by Trish on January 20, 2008
  4. scince

    During a rain storm, rain comes straight down with velocity Vi =-15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is 0.060 kg every second. Assuming that the rain comes to rest upon strikingthe car (

    asked by trina on July 26, 2013
  5. Business Math

    Kelly Melcher Furnishings made purchases at a net cost of 36,458.00 after a series discountof 20/20/10. Find the list price. let the original list price be $x and now use this argument: after the first discount the price would be .8x -----> (100% - 20% =

    asked by Janean on May 14, 2007
  6. Calculus

    The annual inventory cost C for a manufacturer is C=(1,008,000/Q)+6.3Q where Q is the order size when the inventory is replenished. Find the change in annual cost when Q is increased from 350 to 351, and compare this with the instantaneous rate of change

    asked by Susana on October 3, 2011
  7. physics

    A wheel starting from rest is uniformly accelerated with alpha=4 rad/seconds square for 10 seconds. It is then allowed to rotate uniformly for the next two seconds and is finally brought to rest in the next 10 seconds. Find the total angle rotated by the

    asked by yogi on December 11, 2016
  8. Trig

    The magnitude and direction of two forces acting on an object are 100 pounds, S79degreesE, and 60 pounds N68degreesE, respectively. Find the magnitude, to the nearest tenth of a pound, and the direction angle, to the nearest tenth of a degree, of the

    asked by Erin on July 1, 2018
  9. Math

    this is not a linear equations Jeffrey's Bank Account Week Balance 1 $10 2 $24 3 $38 4 $52 5 $66 6 $80 using the infomation from the table, write an equation that represents the balance in jeffrey's bank account as a function of the number of weeks i

    asked by jj on April 26, 2012
  10. calculus

    Eight and one-half foot-pounds of work is required to compress a spring 3 inches from its natural length. Find the work required to compress the spring an additional one-half inch. (Round your answer to two decimal places.)

    asked by fgm on January 25, 2012
  11. Math generic rectangles

    Out of all problems this one I just don't know. I started it but I'm unsure .can someone help me please. Draw a generic rectangle to find each product. Then write a multiplication sentence with parenthesis for each one. 7 (1+11) So I am thinking the

    asked by Jasmin on October 25, 2016
  12. Math

    Yesterday'/ high temperature was -8 degree Fahrenheit. Today's high temperature is -3 Fahrenheit. A: Write a numerical expresssion you can use to find the change in temerature from yesterday to today B: Evaluate your expression and explain what it means

    asked by Verna on September 20, 2016
  13. Physics2

    2 blocks are in contact on a horizontal table. A force is applied on the first block at a 30* angle. The blocks move to the right side. If m1 = 2kg and m2 = 1kg and F = 6 N kinetic friction at the middle of the 2 blocks and the table = 0.250 Find the

    asked by Jim on December 9, 2011
  14. physics

    a bullet of mass 10 gram is fired from a gun of mass 5 kg. If the gun recoils at the speed of 60m/s calculate the initial speed of the bullet.The bullet stops after penetrating 50 cm into a target. Find the opposing force to the motion of the bullet

    asked by Fariha on May 31, 2016
  15. mechanics

    Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of cross-section of the water jet is S, Find the force that it applies on the wall. Take the mass density of

    asked by maan on April 12, 2011
  16. geography Ms. Sue

    I looked at the economic articles that you gave me from that website and I don't understand any of them. Do you know of any other sites where i could possibly find an economic article for latin america that is no older than 2 years old. I'm in 6th grade

    asked by Mia on November 18, 2010
  17. Solid Mensuration 04/15/16

    Given trinagle ABC whose sides are AB=15 in., AC=25 in., and BC=30 in. Form a point D on the side AB, a line DE i drawn to a pointE on side AC such that angle ADE is equal to angle ABC. If the perimeter of triangle ADE is 28 in., find the lengths of line

    asked by Glenn on April 14, 2016
  18. Physics

    2 blocks are in contact on a horizontal table. A force is applied on the first block at a 30* angle. The blocks move to the right side. If m1 = 2kg and m2 = 1kg and F = 6 N kinetic friction at the middle of the 2 blocks and the table = 0.250 Find the

    asked by Tom on December 8, 2011
  19. Math

    JASON DRIVES 50 MI TO A TRAIN and then continues his trip with a 210 mi train ride. the car travels 20 mph slower than the train. if total travel time is 4 hr, find the average speed of the car and the average speed of the train.

    asked by Sam on March 2, 2016
  20. Math

    My son has to do a venn diagram. He has chosen fruits and vegetables. The question is for him to explain his strategy? I am not sure what they want - the strategy is putting fruits all in the fruit side and the vegetables all in the one side? He also has

    asked by Rebecca on December 27, 2007
  21. statistics

    Mary has already spent 1 minute on the phone, and she expects to spend 4 more minutes with every phone call she routes. In all, how many phone calls does Mary have to route to spend a total of 5 minutes on the phone? Write and solve an equation to find the

    asked by Anonymous on November 21, 2011
  22. Chemistry

    1.06g of Na2CO3 is dissolved in water to make 250cm^3 solution. 10.0 cm^3 of this solution was further diluted to make 500cm^3 of 2nd solution. 25.0cm^3 of 2nd solution reacted with 28.5cm^3 of HCl. Find the concentration of HCl in mol/dm^3

    asked by Gary on July 14, 2016
  23. physics

    An aircraft is flying at the speed of 354km/hr relative to the air is observed from the ground to have a velocity of 300km/hr in the north east direction. The wind is blowing from east. Find the speed of the wind and the direction to which the aircraft is

    asked by george on August 10, 2012
  24. physics

    A point charge of -4.00nC is at the origin, and a second point charge of 6.00nC is on the axis at x = 0.800m . Find the magnitude and direction of the electric field at each of the following points on the axis. x_2 = 17.0cm, x_3 = 1.30m , x_4=-17.0cm

    asked by Erin on September 12, 2008
  25. mechanics

    Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of cross-section of the water jet is S, Find the force that it applies on the wall. Take the mass density of

    asked by mittal on April 15, 2011
  26. Maths

    9. consider the function y=e^-x sin x where pie < x < pie find dy/dx which is e^-x(cos x - sin x) show that at stationary points, tan x = 1. - I have done this part I don't understand this part: How do I do this: determine the co-ordinates of the

    asked by Ronald on November 8, 2010
  27. statistics

    In a random sample of 50 babies 4 to 7 month old the average number of hours they slept per day turned out to be 14.2 hours with a standard deviation of 1.6 hours find and interpret a 90% confidence interval for the mean number of hours slept by babies at

    asked by Julio on June 6, 2012
  28. statistics

    In a random sample of 50 babies 4 to 7 month old the average number of hours they slept per day turned out to be 14.2 hours with a standard deviation of 1.6 hours find and interpret a 90% confidence interval for the mean number of hours slept by babies at

    asked by Julio on June 6, 2012
  29. Calculus

    find the area between x=tan^2y and x=-tan^2y in -pi/4

    asked by Bethany on March 28, 2016
  30. Algebra

    I have a swimming pool in my backyard and to avoid overcrowding I want to find the maximum area of it so I can figure out how many people I can bring to my pool party that can actually fit in the pool. What is the maximum area of my swimming pool if I have

    asked by Carlos on April 30, 2016
  31. statistics

    A psychologist wants to estimate the variance of employee test scores. A random sample of 18 scores had a sample standard deviation 10.4. Find a 90% confidence 2 interval for the population variance. What assumption, if any, have you made in calculating

    asked by Janelle on November 9, 2011
  32. Algebra

    Find the hydrogen ion concentration of a saturated solution of calcium hydroxide whose pH is 13.3. (If you enter your answer in scientific notation, round the decimal value to one decimal place. Use equivalent rounding if you do not enter your answer in

    asked by Lisa on March 30, 2016
  33. Math

    Mrs lee was given $1200 every month for the household expenses . she used 17/24 of it to buy food for the family. 5/7 of the remainder for the clothes and other expenses. She put the remainder money into the bank as savings for the family. Find the amount

    asked by . on June 27, 2019
  34. algebra

    I have a algebra question not to good at this? here goes.. the fuction w (d)=0.112d approximates the amount in centimetres of water that results from D cm of snow melting. find the amount of water that results from snow melting depths of. 19cm 38cm 95cm

    asked by please help on December 20, 2009
  35. trigo

    An airplane travels on a bearing of 245 degrees at an airspeed of 200 kilometers per hour while a wind is blowing 50 kilometers per hour from 140 degrees. Find the ground speed of the airplane and the direction of its track, or course, over the ground.

    asked by thomas on September 16, 2014
  36. physics

    Vector A has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods, find (a) the vector sum A + B and (b) the vector

    asked by benjamin on August 28, 2009
  37. Algebra

    Using the formula: w=Cr^-2 where C is a constant, and r is the distance that the object is from the center of Earth. W is the weight. 1- Suppose an object is 100lbs when it is at sea level. Find the Value of C that makes the equation true. Sea level is

    asked by Teri on May 21, 2010
  38. math

    Chelsea left the White House and traveled toward the capital at an average speed of 34 kn/h. Jasmine left at the same time and traveled in the opposite direction with an average speed of 65km/h. Find the number of hours Jasmine needs to travel before they

    asked by Joe on October 25, 2012
  39. physics

    a machine weighing 1500N is supported bt two chains attached to some point on the machine.one of these ropes goes to the eye bolt in the well & is inclined 30 degrees to the horizontal & the other goes to the hook in ceiling & is inclined at 45 degrees to

    asked by wilson on March 23, 2013
  40. Physics

    A student uses a bottle opener to find that a force of 15 N must be exerted to lift a cap 1.4mm. The opener has a velocity ratio of 16 and efficiency of 90% (a) What is the mechanical advantage of the opener? (b) What force is applied to the bottle cap?

    asked by Mohammedabbas on July 7, 2009
  41. math

    For this assignment, you will be finding the surface area and the volume of three different spherical objects. You will need to find three objects and measure the distance around the center using a ruler or tape measure. Show all work! I am using a lemon

    asked by crissy on June 22, 2015
  42. trig

    An aircraft maintains a speed of 500 miles per hour in a southwestern direction. The velocity of the jet stream is constant 50 miles per hour from the west. Find the resultant vector, the speed, and actual direction of the aircraft.

    asked by Deb on January 15, 2013
  43. Physics

    The electric field on the axis of a uniformly charged ring has magnitude 370kN/C at a point 6.2cm from the ring center. The magnitude 17cm from the center is 150kN/C ; in both cases the field points away from the ring.Find the ring's radius.

    asked by Anonymous on March 10, 2014
  44. Trig application

    I worked this problem out but I do not fully understand what I am doing. Fire tower A is 30 kilometers due west of fire tower B.. A fire is spotted from the towers, and the bearings from A and B are N 76 degrees E and N 56 degrees W, respectively. Find the

    asked by Hutch on February 21, 2015
  45. math

    A map measuring 8" x 10" and drawn to the scale 1" = 50 miles is pasted on a sheet of paper of the same size. Find theleast number of sheets of this paper that would have to be taped together to hold this same map if it were drawn to the scale 2" = 25

    asked by thomas on April 13, 2014
  46. math

    1.John deposited $40,000.oo in the bank and earned simple interest of 7% per annum for 2 years. calculate the amount he will receive at the end of the 2 year period. 2. Find the simple interest on $15,000.00 invested for 4 years at 12% per annum.

    asked by Lindsay on November 12, 2012
  47. physics

    A 125-newton box rests on a plank 3.00 meters long, one end of which is 1.00 meters higher than the other end. Find the components of the force the box exerts Parallel to the inclined plane= Perpendicular to the inclined plane=

    asked by john on May 18, 2010
  48. calc

    Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals C(q) = 500 + 2q +1/5q2. The marginal cost MC(q) equals the instantaneous rate of change of the total cost. Find the marginal cost when a quantity of 10 items are being

    asked by o on February 7, 2010
  49. Calculus

    A woman at point A on the shore of a circular lake with radius 2.5mi wants to arrive at the point C diametrically opposite A on the other side of the lake in the shortest possible time. She can walk at a rate of 3.25 mi/hr and row at a rate of 2 mi/hr.

    asked by Shannon on April 30, 2013
  50. Maths

    Suppose that a boat moves in a straight line with speed v through water with resistance proportional to the square of its speed v with initial speed v0 and initial position x0. Find its speed v(t) and position x(t) and conclude that the boat travels an

    asked by James on March 25, 2013
  51. 6th grade

    The left and right - hand margins on a sheet of paper are both 1.25 inches wide. The total width of the sheet t of paper is 8.5 inches. Write and solve an equation to find the width of the text area that lies betwen the margins.

    asked by Dan on October 13, 2008
  52. maths

    A tree stands vertically on a hill side which makes an angle of 15 degree with the horizontal. From a point on the ground 35 meter down the hill from the base of the tree, the angle of elevation of the top of the tree is 60 degree. find the height of the

    asked by Geeta negi on September 16, 2012
  53. Math

    Can someone explain what to do for the following question. What percentage of a normal distribution is greater than the mean? Give your answer correct to the nearest percent. What formula is used? Because I have to find also 1 standard deviation of the

    asked by Sue on May 22, 2013
  54. physics

    I have 2 questions: Assuming that water has a density of exactly 1 g/cm3, find the mass of one cubic meter of water in kilograms. Suppose that it takes 10.0 h to drain a container of 5700m3 of water. What is the "mass flow rate," in kilograms per second,

    asked by Scott on September 2, 2010
  55. Competetion help on Integration

    If there four options are given to a Defenite Integration then what shortcut trick we should choose to get the correct answer. Like in Indefinte Integration we find the differtation of the answer to reach the function given to integrate. You can try to

    asked by Nitin on February 12, 2007
  56. Math

    Mr. Sockem wears only black or navy blue socks, which are exactly alike except for their color. He has six pairs of each color, and he keeps them all mixed up in a drawer. One night, while the room was in complete darkness, he wanted to find a pair of

    asked by Rachel on March 1, 2016
  57. please help me!! physics

    The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the

    asked by Nickoli on November 24, 2013
  58. Clac- math

    a 20 foot ladder leaning up against a vertical wall begins to slip. the base of the ladder makes an acute angle with the floor. when the angle equals 60 degrees the angle is decreasing at 0.1 radians/second. find the rate at which the height of th upper

    asked by Nikki on March 1, 2012
  59. physics

    Over a time interval of 2.37 years, the velocity of a planet orbiting a distant star reverses direction, changing from +23.4 km/s to -15.7 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by a on December 13, 2011
  60. THEORY OF MECHINE

    a brake shoe applied to a drum by a lever ab which is pivoted at a fixed point a and rigidly fixed to the shoe. The radius of the drum is 160mm. The coefficient of friction at the brake lining is 0.3. If the drum rotates clockwise, find the braking torque

    asked by RANDHIR KAUSHIK on January 9, 2013
  61. physics

    The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the

    asked by Nickoli on November 24, 2013
  62. physics

    Over a time interval of 1.72 years, the velocity of a planet orbiting a distant star reverses direction, changing from +18.2 km/s to -18.8 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by Kendall on September 11, 2012
  63. physics

    What is the velocity of a projectile with initial velocity 2m/s at an angle of 30degree to horizontal at the time 0.2s,0.5s,0.8s.Find the maximum height attained by projectile,total horinzontal distance travelled,seconds the projectile remains in air?what

    asked by murtem on May 5, 2016
  64. math

    A veterinarian has instructed Harrison to give his 75lb dog one 325 mg aspirin tablet for arthritis. the amount of aspirin A remaining in the dog's body after t minutes can be expressed by A=325(1/2)^(t/15). write and solve a logarithmic inequality to find

    asked by yaz on February 20, 2008
  65. physics

    A player kicks a football at an angle of 45 degree with initial speed of 20 metre per second a second player on the goal line 60 metre away in the direction of a kick start training to receive the ball at that instant find the constant speed of the second

    asked by eddy on March 6, 2016
  66. maths

    Joe is playing a game of chance at the hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and the sum of the numbers that turned up is found. If the sum is seven, then Joe wins $5. Otherwise loses his money. Joe play the game

    asked by ranjini on April 2, 2019
  67. prob and stats

    A coin is weighted so that the probability of obtaining a head in a single toss is 0.37. If the coin is tossed 27 times, find the following probabilities. Round your standard normal variable to two decimal places before using the table of values. (Give

    asked by br0Ok3 on October 15, 2010
  68. Physics

    A small block slides along the inside of a hemispherical bowl of radius r = 41.4 cm. When the block is at an angle of θ = 62.3° above the lowest point, it is sliding down with a speed of v = 3.02 m/s and speeding up at a rate of 3.54 m/s2. Find the

    asked by Roman on July 6, 2015
  69. Physics

    To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.600 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 5.10 m/s2. Find

    asked by Mary on October 7, 2011
  70. Physics

    Over a time interval of 2.15 years, the velocity of a planet orbiting a distant star reverses direction, changing from +18.9 km/s to -17.3 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by Isaac on January 22, 2012
  71. Chemisty

    A 1.91-g sample of a mixture of AgNO3 and NaNO3 is treated with excess Na2S(aq). The precipitate is filtered off, dried and weighed. The dried precipitate weighs 0.44 g. What is the percentage by mass of NaNO3 in the original mixture? I know I have to

    asked by Wes on October 8, 2014
  72. physics

    Over a time interval of 2.17 years, the velocity of a planet orbiting a distant star reverses direction, changing from +19.3 km/s to -22.9 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by shant on September 7, 2014
  73. Statistics

    . Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty. If 14 people are called for jury duty, what is the probability that all 14 will be available to serve on the jury? Round your

    asked by Jacob on June 25, 2010
  74. Physics

    A 500 g block is released from rest and slides down a frictionless track that begins h = 1.70 m above the horizontal, as shown in Figure P13.56. At the bottom of the track, where the surface is horizontal, the block strikes and sticks to a light spring

    asked by Anonymous on December 5, 2010
  75. physics

    A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. Each horse pulls with a force of 403 N at an angle of 12.9° with the centerline of the canal. Find

    asked by hannah on September 18, 2014
  76. physics

    Over a time interval of 1.98 years, the velocity of a planet orbiting a distant star reverses direction, changing from +21.9 km/s to -17.2 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by Amena on January 29, 2018
  77. physics

    Over a time interval of 1.98 years, the velocity of a planet orbiting a distant star reverses direction, changing from +21.9 km/s to -17.2 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by Amena on January 31, 2018
  78. Physics

    Over a time interval of 1.98 years, the velocity of a planet orbiting a distant star reverses direction, changing from +21.9 km/s to -17.2 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by Amena.S on January 31, 2018
  79. Math

    A floor refinishing company charges $1.87 per square foot to strip and refinish a tile floor for up to 1000 square feet. There is an additional charge of $250 for toxic waste disposal for any job which includes more than 150 square feet of tile. A. Find

    asked by George Carl on January 31, 2018
  80. physics

    A mover has to move a heavy sofa of mass 66 kg to the second floor of the house. As he pulls on the rope tied to the sofa he makes sure that the rope is parallel to the surface of the ramp, which is at 30.0° to the horizontal. If the coefficient of

    asked by mathew on December 11, 2014
  81. Astronomy

    Saturn’s Moon Janus is observed to orbit the planet with period 0.695 days, grazing the planet with an orbital radius only 2.64 times the radius of the planet itself. Use this information to find the mass of Saturn. Express your answer as a multiple of

    asked by sam on December 23, 2012
  82. statistics

    5. Congressional Committee Memberships The composition of the 108th Congress is 51 Republicans, 48 Democrats, and 1 Independent. A committee on aid to higher education is to be formed with 3 Senators to be chosen at random to head the committee. Find the

    asked by Sandra on March 24, 2011
  83. Physic

    Two blocks, m1 = 4 kg and m2 = 2 kg, are in contact with each other and are on a horizontal surface for which the coefficient of kinetic friction is 0.1. A 34 N horizontal force acts on block 1, making both blocks move in the direction of block 2. 34N -->

    asked by Anonimus on October 23, 2015
  84. calculus

    I am trying to find equation of the tangent line to the curve 2/(1-3x) at x=0 using the definition. I applied it into the formula lim h->0 [f(a+h) - f(a)]/h which gave me [2/(1-3x+h) - 2/(1-3x)]/h I took the conjugate and came with [4/(1-3x+h)^2 -

    asked by Daniel on October 1, 2011
  85. HIS 135

    Hello, I am researching important events that happened in the 1950s-2000s. I was planning on researching the JFK assassination for the 1960s and the robust economy for the 1990s, but I am having a hard time finding reliable sites. Could someone help me

    asked by Punkie on July 2, 2009
  86. Physics

    A mover has to move a heavy sofa of mass 49.0 kg to the second floor of the house. As he pulls on the rope tied to the sofa, he makes sure that the rope is parallel to the surface of the ramp, which is at 30.0° to the horizontal. If the coefficient of

    asked by Anonymous on September 24, 2015
  87. Math

    A manufacturer decides to build a half-pipe with a parabolic cross section modelled by the relation y=0.2x^2-1.6x+4.2, where x is the horizontal distance, in metres, from the platform, and y is the height, in metres, above the ground. Complete the square

    asked by Anonymous on November 25, 2012
  88. physic

    can somebody show me how to find the time s step by step. A golfer hits his approach shot at an angle of θ = 46.3°, giving the ball an initial speed of v0 = 39.6 m/s (see figure below). The ball lands on the elevated green, yf = 4.1 m above the initial

    asked by joy on February 6, 2018
  89. Calc

    Newton's Law of Gravitation says that the magnitude F of the force exerted by a body of mass m on a body of mass M is the following. F=(GmM)/r^2 Here G is the gravitational constant and r is the distance between the bodies. (a) Find dF/dr (b) Suppose it is

    asked by Josh on November 3, 2009
  90. math

    Two helicopters leave Springfield, IL at the same time. One travles north at 27 miles per hour and the other travels west at 120 miles per hour. How far apart are they after 3 hrs? (Hint: Use d=rt to find the distance traveled by each helicopter.) I know

    asked by Rmz on January 27, 2010
  91. Physics

    Two movers push horizontally on a refrigerator. One pushes due north with a force of 150 N and the other pushes due east with a force of 200 N. (a) Find the direction and magnitude of the resultant force on the refrigerator. (b)Show that the result of the

    asked by Tezara on January 23, 2011
  92. physics

    A player kicks a football at an angle of 45 degree with initial speed of 20 metre per second a second player on the goal line 60 metre away in the direction of a kick start training to receive the ball at that instant find the constant speed of the second

    asked by palash on July 13, 2015
  93. Algebra

    a cessna can fly at a rate of 220 mph in calm air. traveling with the wind, the cessna flew 780 mi in the same amount of time as it flew 540 mi against the wind. find the rate of the wind. how do i set this problem up? please explain in detail cuz i don't

    asked by Colin on October 15, 2007
  94. physics

    A Hall-effect probe operates with a 120 -mA current. When the probe is placed in a uniform magnetic field of magnitude 0.0840 T, it produces a Hall voltage of 0.660 µV. The thickness of the probe in the direction of B is 2.00 mm. Find the density of the

    asked by Rachel on April 8, 2011
  95. physics

    high-speed stroboscopic photographs show that the head of a 215 kg golf club traveling at 55.0 m/s just before it strikes a 0.046 kg golf ball at rest on a tree. after the collision, the club travels (in the same direction) at 42.0 m/s. Use the law of

    asked by Anonymous on January 5, 2013
  96. helpp in physics! so tough!

    A diver springs upward with an initial speed of 2.0 m/s from a 2.5-m board. Find the velocity with which he strikes the water. Hint: When the diver reaches the water, his displacement is y = -2.5 m (measured from the board), assuming that the downward

    asked by MC on September 28, 2010
  97. physics

    consider the 52 kg climber. find the tension in the rope and the force that the climber must exert with her feet on the vertical rock face to remain stationary. assume that the force is exerted parallel to her legs. also, assume negligible force exerted by

    asked by kim on June 5, 2013
  98. physics

    A Hall-effect probe operates with a 120 -mA current. When the probe is placed in a uniform magnetic field of magnitude 0.0840 T, it produces a Hall voltage of 0.660 µV. The thickness of the probe in the direction of B is 2.00 mm. Find the density of the

    asked by Rachel on April 8, 2011
  99. Algebra 1

    One long-distance telephone company offers a plan such that the first 20 minutes costs $.99 and each additional minute costs $.09. Solve an inequality to find the maximum amount of full minutes you can talk for $5.00. At first I got: 5 is greater than or

    asked by Julia on October 14, 2013
  100. Probability

    Of 500 employees, 200 participate in a company's profit sharing plan(P), 400 have major insurance coverage(M), & 150 employees participate in both programs. Construct a Venn diagram and find out the probability that a randomly selected employees a) will be

    asked by Jean on October 19, 2011

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