1. Physics

    The three displacement vectors have a magnitudes of a= 5.00 meters, b= 5.00 meters, and c= 4.00 meters. Find the resultant magnitude and Direction angle of the three vectors by names of the component method. Express the directional angle as an angle above

    asked by Anonymous on September 8, 2016
  2. Physics

    A cyclist approaches the bottom of a gradual hill at a speed of 14 m/s. The hill is 4.0 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which

    asked by Peter on February 25, 2008
  3. simple interest and compound interest

    rajesh a money lender lends in the following manner. for the first year he charges 2% p.a, for the second year he charges 4% p.a, for the third year he charges 6% p.a and so on. if he lends a sum in this way at simple interest find the least integral

    asked by vipul on October 8, 2016
  4. simple interest and compound interest

    rajesh a money lender lends in the following manner. for the first year he charges 2% p.a, for the second year he charges 4% p.a, for the third year he charges 6% p.a and so on. if he lends a sum in this way at simple interest find the least integral

    asked by vipul on October 8, 2016
  5. Calculus

    please solve it let f be the function defined over { 0 , ∞ ) as ∫ f(x) = x(ln(x)-1)^2 for x>0 and let (c) be its representative curve , we admit that f is continous at x=0 a ) determine lim f(x) / x as x approaching 0 b) find lim f(x) as x approaching

    asked by Darker on May 21, 2016
  6. chemistry

    The molarity of a kool-aid packet is 0.365M. How many grams of sucrose (C12H22O11) are in 200mL of the kool-aid drink? --- I know that the molar mass is 342.29648 g/mol kool-aid. I'm not sure on how to find the grams of the solute.

    asked by student01561 on January 12, 2015
  7. calculus

    a farmer wants to make a rectangular pen from 200 feet of fencing. he plans to use a 100 foot wall along with some of the fencing to make one side of the pen. find the dimensions of the pen that will make the enclosed area as large as possible.

    asked by tina on December 8, 2013
  8. Algebra

    Mattie Evans drove 250 miles in the same amount of time that it took a turbopropeller plane to travel 1250 miles. The speed of the plane was 200 mph faster than the speed of the car. Find the speed of the plane

    asked by MARIAH on November 6, 2010
  9. math

    if Amy stands 36 feet from a flagpole and the angle formed from the top of the flagpole to her feet is 38 degre, find the distance from her feet to the top of the flagpole. include correct units in your anwser and round to 2 decimal places...

    asked by joey on February 16, 2011
  10. Help please I am lost, algebra

    I have notes on this from online but they are different from this problem and I don't know how to solve it. Find the equation of a line with the given information: slope -5/4 and g(14)=-6 It is asking for, point slope form, slope intercept form, Function

    asked by Sam on March 23, 2017
  11. Physics

    A square plate of copper with 50 cm sides has no net charge and is placed in a region of uniform electric field of 80.0 kN/C directed perpendicular to the plate. Find (a) thr charge density at each face of the plate and (b) the total charge on each face.

    asked by sandhu on September 18, 2009
  12. physics

    A 74-kg fisherman in a 124-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.4 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the

    asked by Kayla on October 12, 2012
  13. Science

    To lift an object weighing 21,000 N, how much force is needed on a piston with an area of 0.060 m2 if the platform being lifted has an area of 3.0 m2 ? If the weight is 21,000 N which is also a force and to find Buoyancy force then 3.0 m2 + .06 m2 = 3.6 m2

    asked by Alex on January 7, 2015
  14. com 120

    search "peer review"in the search box above. i need some comments to share about peer reviews Peer reviews are helpful to the writer. They give the write honest feedback from a real audience before they are being graded. It is always helpful to have

    asked by bobpursley on June 14, 2007
  15. Bus Ops

    It was a little past 9:00 on a Monday morning when Jeff Baker walked into your office with a box of donuts. He offered you one as he sat down. This didn’t strike you as odd since members of the staff often brought donuts or kolaches to pass around the

    asked by Awesome on February 5, 2011
  16. Business Operations

    It was a little past 9:00 on a Monday morning when Jeff Baker walked into your office with a box of donuts. He offered you one as he sat down. This didn’t strike you as odd since members of the staff often brought donuts or kolaches to pass around the

    asked by Anonymous on April 20, 2010
  17. Chemistry

    I'm having trouble getting the right answer for a problem, I'm hoping that by posting my work someone can help me figure out where I've gone wrong. A two-liter soft drink bottle can withstand a pressure of 5 atm. Half a cup [approximately 120 mL) of ethyl

    asked by Alexandria on December 31, 2006
  18. Algebra

    1)Find the exact solutions to 3x^2=5x-1 using the quadratic formula. answer=5 plus or minus the square root of 37 over 6 2)Use the discriminant to determine the number and type of roots for the equation 2x^2-7x+9=0 answer=2 complex 3)Identify the

    asked by Marissa on August 12, 2007
  19. English

    Hello! i have to pick 3 news articles on a topic that i have chosen,and i have to write an essay to show "how these newspapers and or news magazines present representation of truth and reality designed to appeal to a particular audience.discuss, making

    asked by Twinkle on April 25, 2007
  20. Earth Science

    Slide 1 This is a cumulus cloud. Can you find four things on the word list that you can use to describe this cloud. Cumulus clouds consists of puffy tops, no rain expected, 3,000 ft. high, and flat bottoms. Slide 2 This is an example of towering cumulus

    asked by Sam on February 16, 2017
  21. Legal Editing

    Review and revise the following paragraph: After reviewing al the pleadings the underlining records the party arguments; pertinent caselaw and statutes and the other recommendations filed byt eh party’s, this court remains of the opinion and view point

    asked by Yui on February 19, 2015
  22. Chemistry

    Find the pH: 1) A 0.001M solution of HCl 2) A 7.98 x 10^-2 M solution of HNO3 3) 1098L of a solution containing 8.543moles of HBr 4) 120mL of a solution containing 0.005 grams of hydrochloric acid. Please help me with these four. Out of 20 questions i only

    asked by Katelyn on March 20, 2013
  23. ECONOMICS

    suppose that DVD player producers find that they are selling more DVD players at the same price than they did 2 years ago. is it a shift of demand curve or a movement along the demand curve? suggest at least four reasons why this rise in sales at an

    asked by cheza on January 23, 2011
  24. physics

    A coil of N turns is wrapped around an iron ring of radius ‘d’ and cross-section ‘A’ (d > > A). Assuming a constant permeability, mu > > 1 for the iron. Find the following : (i) the magnetic flux as a function of the current ‘i’, and (ii) the

    asked by Sandhya on June 17, 2009
  25. Math(Probability)

    Students took n = 35 samples of water from the east basin of Lake Macatawa and measured the amount of sodium in parts per million. For their data, they calculated notation bar x= 24.11 and s^2= 24.44. Find an approximate 90% confidence interval for μ ,

    asked by Alex on May 4, 2011
  26. English-Please Help?

    John Updike's short story entitled "Son" covers four generations, correct-great grandfather, grandfather, father and son, correct? I dogpiled this and can't find anything on it. If anyone can direct me paragraph- by paragraph who is being spoken about, I'd

    asked by Jillian on February 17, 2011
  27. physics

    A coil of N turns is wrapped around an iron ring of radius ‘d’ and cross-section ‘A’ (d > > A). Assuming a constant permeability, mu > > 1 for the iron. Find the following : (i) the magnetic flux as a function of the current ‘i’, and (ii) the

    asked by Sandhya on June 17, 2009
  28. AP Physics

    Two particles, each of mass m and speed v, travel in opposite directions along parallel lines separated by a distance d. (a) Find an expression for the magnitude L of the angular momentum of the two-particle system around a point midway between the two

    asked by Anonymous on March 20, 2013
  29. Simple harmonic motion

    The midpoint of a guitar string executes simple harmonic motion with motion following the form x(t) = A sin(ωt + φ). Amplitude (A)=1.60mm, Angular Velocity (w)=2760 and phase constant (o) = pi/2. How do I find the initial displacement, velocity and

    asked by Anon on October 28, 2017
  30. Physics

    A car x of mass 1000kg traveling at a speed of 20m/s in the direction due east collides head on with a car y of mass1500kg traveling at 15m/s in a direction due west . If the two cars stick together find their common velocity after collision.

    asked by Ethel on May 22, 2019
  31. cpcc

    Two people are pulling a boat through the water as in Figure P4.20. Each exerts a force of 600 N directed at a θ = 45.0° angle relative to the forward motion of the boat. If the boat moves with constant velocity, find the resistive force vector F exerted

    asked by nat on February 20, 2010
  32. statistics- one quick question please :)

    the graph shows a non standard normal distribution curve with a mean of 59.0 and a standard deviation of 6.7. Find the area of the shaded region. *there's a picture of the curve, the shaded region is labeled with the value 64.2 Choices: a. 0.2177 b. 0.7823

    asked by sid on February 11, 2019
  33. physics

    A 400-gram package lying on a horizontal surface is attached to a horizontal string which passes over a smooth pulley. When a mass of 200 grams is attached to the other end of the string, the package is on the point of moving. Find the coefficient of

    asked by Rheabelle on November 9, 2016
  34. Physics

    On earth, two parts of a space probe weigh 18300 N and 4440 N. These parts are separated by a center-to-center distance of 5.11 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the

    asked by Orla on October 19, 2012
  35. science(Ms.Sue)

    Both owls and hawks live in the same ecosystem.they both hunt and kill mice, voles and rabbits.how can both types of predators find enough food in the same ecosystem? a)they are active in different areas. b)they are active at different times. c)they

    asked by lidia on August 13, 2012
  36. Calc

    A hemisphere of radius 5 sits on a horizontal plane. A cylinder stands with its axis vertical, the center of its base at the center of the sphere, and its top circular rim touching the hemisphere. Find the radius and height of the cylinder of maximum

    asked by Pierre on October 28, 2010
  37. math

    In the 17th century, there were more than 800,000 inhabitants of Paris. At the time, it was believed that no one had more than 200,000 hairs on their head. Assuming these numbers are correct and that everyone has at least 1 hair on their head, show that

    asked by Dan on February 10, 2012
  38. Physics

    A cyclist starts at the top of a straight slope with an initial velocity of 3.02 m/s. Five seconds later, she is at the bottom of the incline, having traveled 49.6 m. Find her velocity at the bottom of the hill and her acceleration, assuming it to be

    asked by Aaron on January 26, 2012
  39. Math

    Tony buys 8 identical packs of comic books for his collection. What must you know befor you can multiply to find the total number of comic books tony bought? Q/2: jessica has 4 groups of 4 rocks in her rock collection. she says she has 8rocks altogether.

    asked by Nawaf on October 27, 2013
  40. Physics

    ) Joe has a playing time of 74 minutes. When the music starts, the CD rotating at an angular speed of 480 revolutions per minute (rpm). At the end of the music, the CD is rotating at 210 rpm. Find the magnitude of the average angular acceleration of the CD

    asked by alexs on December 21, 2009
  41. Physics

    A cyclist starts at the top of a straight slope with an initial velocity of 2.82 m/s. Five seconds later, she is at the bottom of the incline, having traveled 45.8 m. Find her velocity at the bottom of the hill and her acceleration, assuming it to be

    asked by Fletcher on January 26, 2012
  42. Math

    Suppose a brewery has a filling machine that fills 12 ounce bottles of beer. It is known that the amount of beer poured by this filling machine follows a normal distribution with a mean of and a standard deviation of 0.04 ounce. Find the probability that a

    asked by Anonymous on March 8, 2010
  43. Math 101

    You order twelve burritos to go from a Mexican restaurant, five with hot peppers and seven without. However, the restaurant forgot to label them. If you pick three burritos at random, find the probability that at least two have hot peppers. (Round the

    asked by Wardell on November 20, 2009
  44. discrete math

    If p is prime prove that p^1/2 (root p) is irrational. Generalize the proof that sqrt 2 is irrational. You can find several proofs here: http://www.cut-the-knot.org/proofs/sq_root.shtml You should be able to apply the proof to all square roots of prime

    asked by romulo on March 7, 2007
  45. math.....need help

    Solve the problem. An open box is to be made from a rectangular piece of tin by cutting two inch squares out of the corners and folding up the sides. The volume of the box will be 100 cubic inches. Find the dimensions of the rectangular piece of tin.

    asked by marcus on March 21, 2009
  46. physics

    A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground

    asked by davido on January 15, 2013
  47. Physics

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

    asked by Jon on April 11, 2008
  48. calculus

    The force F (in Newtons) required to move a box of mass m kg in motion by pulling on an attached rope is F(x) = f m g/(cos(x))+ f (sin(x)) where x is the angle between the rope and the horizontal, f is the coefficient of static friction and g = 9.8 m/s^2.

    asked by nate on November 14, 2011
  49. MATH

    Sabah has $450 to pay for college textbooks. She expects to pay about $75 per book. Her friend told her that 4 of them can be checked out of the library for free. Complete the equation below to find the total number of books that Sabah can get for her

    asked by Anonymous on January 26, 2015
  50. solid mechanics

    A steel plate is subjected to tensile stresses of 200MPa and 150 MPa at right angles to each other. Determine the normal and tangential stresses on a plane inclined at 60 to the 200 MPa stress. Also find the plane on which the resultant stress has maximum

    asked by navneet kumar on March 3, 2015
  51. Physics

    Three lead balls of mass m1 = 16kg, m2 = 26kg, and m3 = 9.3kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force. magnitude N

    asked by Jody on June 14, 2013
  52. Physics

    3) Joe has a playing time of 74 minutes. When the music starts, the CD rotating at an angular speed of 480 revolutions per minute (rpm). At the end of the music, the CD is rotating at 210 rpm. Find the magnitude of the average angular acceleration of the

    asked by Bob on December 21, 2009
  53. physics

    A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground

    asked by davido on January 15, 2013
  54. Physics

    A basketball player, standing near the basket to grab a rebound, jumps 73.6 cm vertically. How much time does the player spend in the bottom 15.4 cm of the jump? I've been told that I need to use the height of the jump to solve for V. Then I need to use

    asked by Lindsay on October 10, 2007
  55. Math

    Please Check My Answers!!! What is the type of conic section is given by the equation x^2-9y^2=900 and what is the domain and range? Answer: Type is hyperbola, Domain is all real values of x, not sure what the range is. Please explain how to find these

    asked by Harry on June 18, 2018
  56. Calculus

    Find the arc length of the curve from t = 0 to t = 1 whose derivatives in parametric form are dx/dt=2-cos(t) and dy/dt=ln(t^2) Type your answer in the space below and give 2 decimal places. If your answer is less than 1, place a leading "0" before the

    asked by Alice on April 5, 2019
  57. Geometry

    4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. 9.49m, 37m, 9m, 3m 795m2; 809m2 758m2; 849m2 795m2; 822m2 758m2; 822m2

    asked by Becky on May 13, 2016
  58. Math

    Use the compound interest formula to solve: $18,000 is invested in an account paying 3% interest compounded quarterly. Find the amount of money in the account at the end of 10 years. (Show values substituted in the formula, and calculate the numerical

    asked by Breanna on July 29, 2009
  59. U.S. History

    A drawback to using the "collegial" approach to manage the White House staff is that it: 1.forces staffers to compete against each other or 2. can produce "groupthink" by encouraging staffers to find common ground. isn't the correct answer 2? Thanks for

    asked by Alisha on January 23, 2007
  60. finite math

    Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, five green ones, four white ones, and three purple ones. She grabs eight of them. Find the probability of the

    asked by Anonymous on February 8, 2015
  61. physics

    Three vectors, expressed in Cartesian coordinates. What is the angle of the resultant vector S, T, U measured from the positive x axis? x-comp y-comp S -3.5 +4.5 T 0 -6.5 U +5.5 -2.5 To find the resultant, i'm assuming I have to add the columns up. If

    asked by heylo on February 3, 2015
  62. Physics

    Here's the question again that I am trying to get help with because I can't figure it out and I got one answer, but I really couldn't understand it. Help please! A ferris wheel makes one rotation in 15 minutes. Find your car's location and the angle of

    asked by Ann on May 16, 2012
  63. Newton's law

    7. A uniform flexible chain of length l, with weight per unit length lamba, passes over a small, frictionless, massless pulley. It is released from a rest position with a length of chain x hanging from one side and a length l-x from the other side. Find

    asked by Ringo on October 15, 2012
  64. Maths

    critical thinking: follow the steps below to find how many combined points were scored by Howie and Theo. write a number sentence to show how to solve the problem. points scored: Howie 272,Theo 325 and Isabel 288.

    asked by Little Flower on February 22, 2015
  65. physics

    A shell is fired from the ground with an initial speed of 1.70 × 10 3 m/s (approximately five times the speed of sound) at an initial angle of 70.0 ◦ to the horizontal. The acceleration of gravity is 9.81 m/s 2 . a) Neglecting air resistance, find

    asked by Mara on September 18, 2012
  66. physics

    On earth, two parts of a space probe weigh 19200 N and 4130 N. These parts are separated by a center-to-center distance of 6.38 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the

    asked by Anonymous on October 21, 2013
  67. Calculus

    The base of a solid is bounded by the curve y=sqrt(x+1) , the x-axis and the line x = 1. The cross sections, taken perpendicular to the x-axis, are squares. Find the volume of the solid a. 1 b. 2 c. 2.333 d. none of the above I got a little confused, but

    asked by Anonymous on May 11, 2018
  68. Finite Math

    Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, two green ones, three white ones, and two purple ones. She grabs eight of them. Find the probability of the

    asked by anonymous on November 29, 2017
  69. social science

    Is iot possible to find out the number of physicians in a given practice--per state? example: how many doctors have a practice in geriatrics in the state of Utah? http://www.ama-assn.org/cgi-bin/sserver/datalist.cgi I found it by state and county, but not

    asked by Diana on October 10, 2006
  70. math

    The force F (in Newtons) required to move a box of mass m kg in motion by pulling on an attached rope is F(x) = f m g/(cos(x))+ f (sin(x)) where x is the angle between the rope and the horizontal, f is the coefficient of static friction and g = 9.8 m/s^2.

    asked by ali on November 17, 2011
  71. chemistry

    Suppose that you place exactly 100 bacteria into a flask containing nutrients for the bacteria and that you find the following data at 37 °C: TIme (s) number of bacteria 0 100 19 200 38 400 57 800 76 1600 what is the rate order? What is rate constant? how

    asked by HELP PLEASE on March 25, 2012
  72. Physics, Statistics

    Consider a series of 8 flips of a fair coin. (a) Calculate the probabilities for obtaining 0-8 heads. We will consider each of these nine outcomes to be macrostates of the system. (b) Calculate the entropy for each of these macrostates. I was able to

    asked by Heidi on December 4, 2015
  73. Physics

    On earth, two parts of a space probe weigh 17300 N and 3260 N. These parts are separated by a center-to-center distance of 19.4 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the

    asked by Briana on September 20, 2013
  74. Algerba

    If the sides of a square are increased by 3m, the area becomes 64m2. Find the length of a side of the original square. A 4 m by 6 m rug covers half of the floor area of a room and leaves a uniform strip of bare floor around the edges. What are the

    asked by Heather M on May 28, 2008
  75. physics

    A 78 kg bag of mortar mix is sitting in the back of a truck rounding a traffic circle of radius 27 m at a speed of 21 km/h. Using the truck's frame of reference, find the force of contact between the bag and the side of the truck. Assume that the floor at

    asked by Lance on October 11, 2014
  76. Physics

    On earth, two parts of a space probe weigh 14500 N and 6400 N. These parts are separated by a center-to-center distance of 19 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the

    asked by Melanie on January 29, 2016
  77. Math

    a rope swing is attached to tree overlooking the river. if the rope is 38 feet in length and swings through an angle of 200 degree, find the total distance to the nearest feet, traveled by someone sitting on the seat when the swing angle described is the

    asked by Ananya on February 23, 2014
  78. math

    RATES OF CHANGE QUESTION A spherical balloon is being blown up so that its volume is increasing by 0.6 m^3 s^-1. Find the rate at which the radius is increasing when the radius is 0.1 m. So what I did was that I determined dV/dt =0.6 and dV/dr = 4/3 r^3

    asked by tina on June 13, 2010
  79. math help please

    An art teacher had a total of t markers. He gave an equal number of markers to each of 18 students and had 16 markers left over. Which equation could be used to find n , the number of markers each student received? A t = 18n B t = 34n C t = 18n + 16 D t =

    asked by math on April 27, 2016
  80. Math

    The half-life of a certain radioactive material is 38 days. An initial amount of the material has a mass of 497 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 4 days. Round your

    asked by Latanya on January 9, 2019
  81. calculus

    An open box is to be made out of a 8-inch by 14-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box that has the largest volume. Dimensions of the bottom of

    asked by casidhe on April 20, 2012
  82. stats

    n a transportation study of 20 large cities, it was found that the mean of the number of cars per person was 0.504. (Some of the people in the city are children.) The study also stated that the standard deviation s was 0.123. Find a 95 % confidence

    asked by chris on March 31, 2013
  83. physics

    The mass of a roller-coaster car, including its passengers, is 481 kg. Its speed at the bottom of the track in the figure below is 20 m/s. The radius of this section of the track is r1 = 24 m. Find the force that a seat in the roller-coaster car exerts on

    asked by Anonymous on October 6, 2012
  84. MATH

    A tree is "x"meters high. The angle of elevation of its top from a point P on the ground is 23degrees. Form another point Q, 10meters from P and in line with P and the foot of the tree, the angle of elevation is 32degrees. Find "x". (Please don't give me

    asked by Nazharia on March 5, 2008
  85. Calc

    a box with an open top is to be made from a rectangular piece of tin by cutting equal squares from the corners and turning up the sides. The piece of tin measures 1mx2m. Find the size of the squares that yields a maximum capacity for the box. So far i have

    asked by Kieran on September 27, 2012
  86. Physics

    A 45-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 67 A and experiences a magnetic force of 0.15 N. Find the magnitude of the earth's magnetic field at the location of the wire, assuming the field

    asked by Anonymous on April 1, 2013
  87. Math

    There are 7 notes of "A" on a standard piano. When the first A is struck, the string associated with the key vibrates 55 times per second. The next A above the given A vibrates twice as fast. An exponential function with a base of two is used to determine

    asked by Anonymous on March 6, 2011
  88. physics

    A highway curve forms a section of a circle. A car goes around the curve. Its dashboard compass shows that the car is initially heading due east. After it travels 620. m, it is heading 30.0° south of east. Find the radius of curvature of its path.

    asked by j on September 7, 2016
  89. PHYSICS

    while exploring a cave, a spelunker starts at the entrance and moves the following distances in a horizontal plane. she goes 75.o m north, 250 m east, 125 m at angle theta =30.0 north of east, and 150 m south. find her resultant displacement from the cave

    asked by JOAN on November 19, 2012
  90. physics

    A 23.1 kg block is dragged over a rough, horizontal surface by a constant force of 95.0 N acting at an angle of angle 29.3 ° above the horizontal. The block is displaced 5.50 m, and the coefficient of kinetic friction is 0.341. Find the magnitude of the

    asked by Elisabeth on September 15, 2011
  91. Algebra - Question about Answers

    I would like to know if my answers are correct. A principal of 6500.00 is invested in an account paying an annual rate of 4%. Find amount in acct after 4 years if acct is compounded semiannually, quarterly and monthly. Semiannually - 7615.79 Quarterly -

    asked by Kylie on December 17, 2011
  92. Physics

    A skater spinning with angular speed of 1.5 rad/s draws in her outstretched arms thereby reducing her moment of inertia by a factor a 3. a) Find her angular speed. b)What is the ratio of her final angular momentum to her initial angular momentum? c)Did her

    asked by Tarren on December 2, 2010
  93. probability

    call from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, two green ones, four white ones, and two purple ones. She grabs eight of them. Find the probability of the

    asked by Anonymous on April 27, 2015
  94. Records management

    I am doing a powerpoint presentation and was wondering if you could help me find some information for the following: Steps for handling clinical data a doctor needs to see, steps for handling administrative data that a doctor does not need to see, where to

    asked by Amanda on May 1, 2009
  95. physics

    The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 80kg and D is twice as long as d.Find the tension FT in the

    asked by may on February 17, 2014
  96. ela

    1. which is the best alternate heading for the section called “ victims of Disappearing Habitat “ ? ( 1point ) A. “ scientists find a way to save the Ivory - bills “ B . “ how ivory - bills beat the odds c. “ keeping ivory - bills secret for

    asked by ::)))sfjslf on February 24, 2014
  97. stats

    In a transportation study of 20 large cities, it was found that the mean of the number of cars per person was 0.504. (Some of the people in the city are children.) The study also stated that the standard deviation s was 0.123. Find a 95 % confidence

    asked by chris on March 31, 2013
  98. Multivariable calculus

    Hello, I have the next exercise about chain rule in multivariable calculus: I have to show that the differential equation: y(dz/dx)-x(dz/dy) = (y-x)z can be change to the equation: (dw/dv) = 0 using the new variables: u= (x^2)+(y^2) v = (1/x)+(1/y) w =

    asked by Susan on June 11, 2017
  99. Physics

    A pilot flies an airplane in a vertical circular loop at a constant speed õ = 160 m/s. If the pilot’s apparent weight at the top of the loop is one-third of his true weight when he is on the ground, find the radius R of the plane’s circular path.

    asked by Drew on March 19, 2010
  100. GLOBE ACTIVITY

    What underwater mountain range is located at 90 degrees East? http://www.yourchildlearns.com/geography.htm http://www.nationalatlas.gov/ http://www.lib.utexas.edu/maps/index.html Here are some of the best atlas/map websites online. These plus your textbook

    asked by Suzanne on October 11, 2006

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