1. algebra

    Please help! Does this question have a formula, if so how can I answer this question without the formula? Is it possible. Hockey teacm receive 2 points when they win and 1 point when they tie. The team won a championship with 50 points. They won 10 more

    asked by hawkins on January 2, 2011
  2. mechanics and heat

    Four point masses are located at the four corners of a rectangle as shown in the figure. Calculate the total moment of inertia of this system measured from (a) axis 1 (b) axis 2 (c) axis 3, and (d) an axis that passes through A and perpendicular to the

    asked by awash on January 7, 2015
  3. SCIENCE

    Joseph jogs from one end "A" to another end "B"of a straight road in 300 metre in 2 minutes 50 seconds and then turns around and jogs 100 metre back to point"c"in another 1 minute.What is the Joseph'S average speed and velocity from "A"to"B" "A"to"c"

    asked by RAI on June 9, 2015
  4. physics

    A person desires to reach a point that is 1.70 km from her present location and in a direction that is 40.0° north of east. However, she must travel along streets that are oriented either north-south or east-west. What is the minimum distance she could

    asked by frank on January 29, 2012
  5. physics

    A fly lands on one wall of a room. The lower left-hand corner of the wall is selected as the origin of a two-dimensional Cartesian coordinate system. The fly is located at the point having coordinates (1.80, 1.15) m. (a) How far is it from the corner of

    asked by Nancy on October 4, 2009
  6. math

    Joe made 15 points in a basketball game, 3 points are given for a long shot, 2 points given for a field goal, and 1 point is given for a free throw. In how many ways can Joe score 15 points? My answer: 6 ways is this correct or incorrect please help

    asked by PLEASE CHECK MY ANSWER ASAP! on April 24, 2016
  7. SS

    Correctly identify ALL that happened with the rebuilding Japan after WWII. A) The U.S. divided Japan along the 17th parallel line in order to occupy both nations and prevent the spread of communism. B)Japan adopted a new constitution and democratic

    asked by Zoey on September 14, 2017
  8. Algebra

    A guy-wire is attached to a pole for support. If the angle of elevation to the pole is 67 degree and the wire is attached to the ground at a point 137 feet from the base of the pole, what is the height of the pole?

    asked by Sharon Smith on January 17, 2016
  9. Statistics

    An instructor has graded 25 exam papers submitted by students in a class of 26 students, and the average so far is 71. (The maximum possible score is 100.) A) To raise the class average by 1 point, the score on the last paper has to be:

    asked by Bob on August 25, 2012
  10. Physics - studying for finals

    (a) Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative x direction with the following characteristics: A = 5.00 cm, λ = 75.0 cm, f = 5.00 Hz, and y(0, t) = 0 at t = 0. (Use the

    asked by Jack on December 8, 2016
  11. physics

    A uniform plank AB is 10m long and has mass of 14km. The plank rest on two support at A and B. A lead of mass 8kg is placed on the plank at a point c 4meter away from A. Calculate the reactions at the support at A and B on the plank

    asked by dawodu ibukun on November 1, 2015
  12. English

    what are some bad points about building an empire? i need some points for my essay about what people who support empire building would say and an example of why this is bad. i got (securing natural resource by expansion leading to war), as a point already.

    asked by jake on December 30, 2009
  13. Math

    a balloon is rising vertically at the rate of 2 m/s. an observer is standing on the ground 100m away from a point directly below the balloon. at what rate is the distance between the observer and the balloon changing when the balloon is 160m high?

    asked by Gladys Garcia on September 13, 2012
  14. AP Chemistry

    If 25 mL of a 0.5 M NaOH solution were needed to reach the equivalence point of a 20 mL HCl solution, what was the initial analyte concentration? I am confused how to solve this problem, and also, what does "initial analyte concentration" refer to? Thanks!

    asked by Megana on February 7, 2018
  15. Physics

    A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 11 from the takeoff point. If the kangaroo leaves the ground at a 18 angle, what is its takeoff speed ? What is its horizontal speed?

    asked by anonymous on October 13, 2012
  16. Chemistry

    when 0.154 g of sulfur is finely grounded and melted with campor, the freezing point of the campor is lowered by 5.47 celsius. A)what is the molecular weight of sulfur? B)what is its molecular formula? fp of campor: 178.4 kf of campor: 40

    asked by Josh on February 17, 2011
  17. College chemistry

    Butane (C4H10) has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -0.4 C. A 250 mL sealed flask contains 0.5 g of butane at -22 C. How much butane is present as a liquid? If the butane is warmed to 25 C, how much is present as a

    asked by I NEED HELP! on January 23, 2010
  18. physics

    Two particles are at the same point at the same time, moving in the same direction. Par- ticle A has an initial velocity of 9 m/s and an acceleration of 2.7 m/s2. Particle B has an initial velocity of 2.9 m/s and an acceleration of 4.2 m/s2. At what time

    asked by Hannah on September 25, 2011
  19. science

    What is the climate zone of Minneapolis, Minnesota? (1 point) polar moist mid-latitude with severe winters moist mid-latitude with mild winters humid subtropical

    asked by Linda on January 28, 2018
  20. Physics

    1) if a positive and negative charge each has a magnitude of 6 uC and are separated by a distance of 10 cm, what is the force between the particles? 2) Given that the repulsive force between two identical positive point charges is 1.0 N when the charges

    asked by Help! on January 24, 2015
  21. fast answer plss

    the sum of four angles about a point is 360degree.the measure of the 2nd angle is 6degreemore than 3times the 1st,the measure of the 3rd is 3degree more than twice the first,the measure of the 4th is 20 degree less than the 3rd.what is the measure of each

    asked by math algebra on October 11, 2013
  22. Banking Finance

    The price of a bond at any given point will be ___________ than its face value if coupon rate is _____________ than its yield to maturity. (Select all that apply). 1) Lower, lower 2) Lower, higher 3)Higher, higher 4) Higher, lower

    asked by keshi kumar on March 1, 2016
  23. chemistry

    the accepted boiling point of ethanol is 78.5C. a student takes the temp of a sample of ethanol which is boiling in a beaker on a hotplate. the student reports the temp as 78.5C. is this measurement precise, accurate, both or neither?

    asked by Anonymous on July 13, 2010
  24. math

    Data and Graphs Unit Test The list below shows the number of magazines a bookstore sold each day during one week. 5, 6, 8, 9, 6, 10, 7 What is the median number of magazines sold during the week? (1 point) 6 7 9 10

    asked by to school on May 4, 2018
  25. world history

    Write two short editorials (2 paragraphs each)--the first as an editor of a pro-Israeli editorial about the Israeli-Palestinian Conflict, the second from the point of view of a pro-Palestinian editorial. I'm not quite sure what they are asking me to do

    asked by anonymous on September 27, 2012
  26. Physics

    Two charged particles, q1 = −2.50×10−3 C and q2 = +3.700e-3 C, are separated by a distance of 5.00 cm. (a) What is the electric potential energy of this configuration? (b) What is the electric potential at a point midway between the particles? I have

    asked by Sheree on May 31, 2012
  27. Physics

    Two children on racing bikes start from the same refrence point. child A travels 5.0 meters per second right and child B travels 4.5 meters per second right. howmuch farther from the oint of origin is child a than child b after 5 seconds

    asked by jake on February 7, 2010
  28. Science Chemical Reactions

    1. The current atomic model would be revised if  (1 point) A• better microscopes were being used to study its structure. B• better microscopes are invented in the future. C• new information about an atom’s structure is discovered. C• a new

    asked by John Smith on March 7, 2018
  29. Chemistry

    Substance A has a normal fusion point of ‑10.0 oC, an enthalpy of fusion = 150.0 J g^-1; specific heats for the solid and the liquid are 3.00 and 6.20 J g^-1 oC^-1, respectively. How much heat, in J, is required to change 150 grams of A from a solid at

    asked by Kale on November 8, 2011
  30. Math Calculus

    f(x) = (x^3+5x^2-28x-32)/(x^3-18x^2+105x-196) which can be written as f(x) = [(x+1)(x-4)(x+8)]/[(x-7)^2(x-4) The domain of the function f(x), in interval notation from left to right, is ____ U ____ U ______. The root(s) of f(x), in increasing order,

    asked by Maude on July 4, 2013
  31. computers

    2. Final Project: Bead Bar Systems Development Project • Resources: Appendix A, Information Systems Technology • Due Date: Day 7 [Individual] forum • Plan a systems development project for the Bead Bar, using the seven standard systems development

    asked by Anonymous on February 12, 2009
  32. English

    Thank you. A few more things. I'd like you to check the word choice. 1)It is necessary to distinguish among three kinds of interior monologue. In the indirect interior monologue the narrator never lets the character’s flow of thoughts be without control,

    asked by Henry2 on June 25, 2011
  33. carpentry

    Everything in brackets are my answers. Are these correct? 1. A carpenter needs to attach a piece of small, decorative molding to an oak staircase. Which of the following tools would be the best choice for this job? A. Light-duty nailer B. Framing nailer

    asked by doug on November 15, 2018
  34. Biology

    40. DNA fingerprinting is used in many situations to help identify individuals. Analyze the situation below before answering the questions that follow. A man was attacked and robbed, but remembers nothing of the incident because he fell and hit his head.

    asked by mysterychicken on February 15, 2010
  35. Biology

    40. DNA fingerprinting is used in many situations to help identify individuals. Analyze the situation below before answering the questions that follow. A man was attacked and robbed, but remembers nothing of the incident because he fell and hit his head.

    asked by mysterychicken on February 15, 2010
  36. chemistry(check my work)

    The initial concentration for the compounds involved in the reaction shown were determined to be [CS2(g)] = 1.075 mol/L, [H2(g)] = 1.436 mol/L, [CH4(g)] = 0.6740 mol/L, [H2S(g)] = 0.3120 mol/L. Calculate the value of the equilibrium constant (Kc) at 1175 K

    asked by bme1 on April 6, 2010
  37. Physics

    Jill and Traci are side by side in their cars at a red light. When the light changes, Jill takes off with an acceleration of 2.4m/sec^2. Traci waits 3 seconds and then takes off with an acceleration of 4m/sec^2. How long will it take her to catch Jill?

    asked by Rosie on September 2, 2015
  38. Physics 1 - Mechanics

    You are making a trip in a space shuttle, and your friend Jimmy is in another space shuttle. He shares the same circular orbit with you, which is 420 km above the Earth, but he is 21 km ahead of you. (a) How long will it take you to catch up with your

    asked by Alex on October 14, 2011
  39. calculus

    Approximate the area in the first quadrant between the x-axis, the y-axis, the line x = 3, and the function f(x) = x^2+1 For this approximation, you must use 6 rectangles of equal width, and this must be a lower sum. In your answer, you must include

    asked by Courtney on November 30, 2011
  40. Time Velocity and Distance graphs

    Good morning, Quick question I have a question on simple motion. Ive been given a table of values from which I constructed Velocity v Time graph which is roughly the shape of a trapezium. From this I worked out the total distance covered. Now I want to

    asked by Anon on September 20, 2017
  41. Finance

    Gluon Inc. is considering the purchase of a new high pressure glueball. It can purchase the glueball for $110,000 and sell its old low-pressure glueball, which is fully depreciated, for $20,000. The new equipment has a 10-year useful life and will save

    asked by Ted on February 14, 2016
  42. Listening

    I need to find the answer to this riddle. I followed the directions but didn't come up with anything I see that makes sense. Can anyone help please? Thanks! What word is spelled after following these directions? 1. Write the words GEORGE WASHINGTON on your

    asked by Britney on June 27, 2010
  43. math

    Judy lies on the ground 45 feet from her tent. Both the top of the tent and the top of a tall cliff are in her line of sight. her tent is 10 feet tall. About how tall is the cliff?

    asked by marisela on November 4, 2013
  44. math

    the cost per hour of running an assembly line in a manufacturing plant is a function of the number of items produced per hour. The cost function is C(x) = 0.28x^2 - 0.7x + 1 where C(x) is the cost per hour in thousands of dollars and x is the number of

    asked by jenn on February 23, 2009
  45. Science

    Predict when a fast toy car can pass a slower toy car . I marked off a distant of 1.5 meters and recorded the time it took the cars to reach the finish line. How do I create a graph and make a prediction? The fast car times were .87 sec. ,.94 sec. ,and .97

    asked by Betty on January 30, 2017
  46. trig

    A ladder leans against a house at a point 19 feet high. The ladder is 25 feet long. What is the measure of the angle formed by the ladder against the house?

    asked by Abram on January 17, 2011
  47. physics

    a bus travels from one point to another wuth a speed of 40km/h and returns with a speed of 60km/h.what is e average speed and average velocity of the bus?

    asked by Anonymous on August 7, 2014
  48. Chem

    A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 216.0 Torr at 45.0 °C. Calculate the value of ΔH°vap for this liquid. Calculate the normal boiling point of this liquid.

    asked by Anonymous on February 22, 2014
  49. geometry

    The top of a ladder is leaning on a building at a point 12 feet above the ground; the bottom of the ladder is 5 feet from the base of the building. What is the length of the ladder?

    asked by Anonymous on May 14, 2012
  50. physics

    a spaceship is traveling to the moon. at what point is is beyond the pull of the earth's gravity? a. above the atmosphere b. half way there c. when it's closer to the moon than the earth d. never beyond the pull of the earth

    asked by rory on December 7, 2008
  51. Physics II

    Two charges, Q1= 3.20 microCoulombs, and Q2=5.90 microCoulombs, are located at points (0,-2.00cm) and (0,+2.00cm. What is the magnitude of the electric field at point P, located at (5.00cm,0), due to Q1 alone?

    asked by John on February 11, 2011
  52. math

    Tammy has 60 markers. 15 of the markers are blue. What percentage of her markers are blue? To make 0.25 a percent, how many decimal places do you move the decimal point?

    asked by 1234567890 on May 13, 2013
  53. Homework Help Calculus

    Find the linear approximation L(x)of the function f(x)=cos(pi/(6)x) at the point x=1 and use it to estimate the value of cos(13pi/72). Here's what I did so far: L(x)=sqrt(3)/2-1/12pi(x-1)+0((x-1)^2) How do I find cos(13pi/72)

    asked by Amy on October 16, 2013
  54. Astronomy

    If a comet was at aphelion (furthest distance from the sun) in 1944 and will be at perihelion (closest point to the sun) in 2050, at a distance of 0.5 AU, what would it's aphelion distance be

    asked by Rico on March 31, 2013
  55. Physics 2 Charges what is the magnitude at point P

    Two charges, Q1= 3.20 microCoulombs, and Q2=5.90 microCoulombs, are located at points (0,-2.00cm) and (0,+2.00cm. What is the magnitude of the electric field at point P, located at (5.00cm,0), due to Q1 alone?

    asked by Mike on February 11, 2011
  56. Physics

    a bus travels from one point to another wuth a speed of 40km/h and returns with a speed of 60km/h.what is e average speed and average velocity of the bus?

    asked by Zubi on August 7, 2014
  57. Math

    how do I find the number of degrees in the point angle of a {5/2} star polygon? Since it is a polygon and a polygon has to equal 360 degrees...would I divide 360 by 5? Please help

    asked by Punkie on December 9, 2009
  58. Physics

    A body starts from rest and traveling with a uniform acceleration with a velocity of 40 m /sec after 10 sec at A Velocity of the body 4 sec before it crosses the point A

    asked by Aiman on August 27, 2017
  59. Math

    how do I find the number of degrees in the point angle of a {5/2} star polygon? Since it is a polygon and a polygon has to equal 360 degrees...would I divide 360 by 5? Please help

    asked by Punkie on December 10, 2009
  60. Astronomy

    If a comet was at aphelion (furthest distance from the sun) in 1944 and will be at perihelion (closest point to the sun) in 2050, at a distance of 0.5 AU, what would it's aphelion distance be

    asked by Rico on March 31, 2013
  61. Algebra

    A 42 ft guy wire reaches from the top of a pole to a point on the ground 15 ft. from the pole. Find how high up the pole does the guy wire reach?

    asked by matt on November 12, 2015
  62. Math Trigonometry

    Two forces act on a point. One force is 35 newtons. The other is 22 newtons. The angle between the two forces is 52degrees. Find the magnitude of the resultant force in newtons.

    asked by Adrienne on September 11, 2016
  63. Physics

    A 70 kg person is at the top of a 10 m tall slide. Ignoring friction, what is his or her speed at the halfway point where he or she is 5 m from the bottom of the slide? What is his or her speed at the bottom of the slide?

    asked by Anonymous on January 28, 2014
  64. Parabola Ques

    Find the point P on the parabola y^2 = 4ax such that area bounded by parabola, the X-axis and the tangent at P is equal to that of bounded by the parabola, the X-axis and the normal at P.

    asked by Shanu on January 25, 2015
  65. Physics

    A charge q1 = 5 ìC is at the origin. A second charge q2 = -3 ìC is on the x-axis, 0.8 m from the origin. The electric field at a point on the y-axis, 0.5 m from the origin is: I don't understand the question please help . Thanks for reading

    asked by ugh on January 18, 2013
  66. maths

    four darts are thrown at a dart board .if all four darts hit the board,how many different point total are possible bullseye 9 second circle 7 third circle 4 outer circle 1

    asked by nicole on February 28, 2016
  67. english

    punctuating sentences, adding subject/and or verb. I do not get it, I am lost with this assignment. I need help. 1. With five gallons of gas. 2. Because the store was closed. 3. For the seventh time. None of these three is a complete sentence. You need to

    asked by Anonymous on July 20, 2007
  68. Algebra/math

    I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

    asked by shane on January 6, 2010
  69. Math/Check

    I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

    asked by S on January 7, 2010
  70. Algebra

    I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

    asked by Shane on January 6, 2010
  71. physics

    A coin with a diameter of 1.9 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular speed of 19 rad/s and rolls in a straight line without slipping. The rotation slows with an angular acceleration of magnitude 2.1

    asked by help on September 27, 2010
  72. algebra

    I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

    asked by shane on January 7, 2010
  73. Algebra/no response yesterday

    I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

    asked by Anonymous on January 7, 2010
  74. Algebra

    a. Suppose that a market research company finds that at a price of p = $31, they would sell x = 74 boxes of product each month. If they lower the price to p = $25, then more people would purchase the product, and they can expect to sell x = 80 boxes in a

    asked by Anonymous on April 29, 2010
  75. math ,correction

    Problem#1 Directions: Find the distance between each pair of points. (-3,0) and (4,0) My answer: d = 7 Problem #2 Directions:Use the Pythagorean theorem to determine the length of each line segment. Where appropriate, round to the nearest hundredth. Points

    asked by jas20 on March 24, 2007
  76. Linguistics/English

    Hi, I need more help. I need to know if I diagrammed these sentences correctly. Edith drew some orange flowers on the side of the house. Edith......Flowers (drew,some,orange).......(On)......Side (the)...(Of)....House (the) Final:Noun, Noun, (preposition),

    asked by Student on November 22, 2013
  77. government

    from m previous post. I don't know if I can put the information from my text into my own words because it says the facts and that's it theres no extra to paraphrase If you cannot paraphrase and cite, then you must quote and cite. (Broken Link Removed) Read

    asked by Jon on April 20, 2007
  78. Physics

    Light travels in a straight line at a constant speed of 300,000 meter per second. What is the acceleration of light? If it has a constant speed then it's not accelerating, is it? BTW I think it's 3x10^8m/sec or 300,000,000 m/sec. It would be 300,000km/sec.

    asked by Jennifer on September 13, 2006
  79. math

    Tasha collected another set of data values, and used a calculator for the engine speed and horsepower data. She got an equation for the least-squares line: ŷ = 10 + 30x. If Tasha uses this equation to predict horsepower from engine speed, the horsepower

    asked by Maragret on October 24, 2014
  80. Math

    Sorry I wasn't finished with the problem. Fijisawa Inc. is considering a major expansion of its product line and has estimated the following cash flows associated with such an expansion. The initial outlay would be $1,980,000, and the project would

    asked by Alicia on June 15, 2015
  81. college algebra

    Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of homes built can be modeled by an exponential function, H= p *

    asked by hilda on April 21, 2010
  82. Physics

    A crate is initially at rest on a rough, horizontal floor. The crate moves in a straight line as it is pushed resulting in the crate speeding up at a constant rate of 3.89 m/s2. After a while, the crate is no longer being pushed and the crate slows down at

    asked by Lyn on January 25, 2013
  83. Algebra II-Please check calcs

    Could someone check this matrix calculation The first matrix dimension is 1 by 3 row 1 = 1 row 2 = 7 row 3 =3 Second matrix is 1 by 3 Row 1 column one =2 row 1 column two = -5 row one column three = 5 my calculation is that it would be the dimensions of 3

    asked by Ray Scholz on January 26, 2011
  84. Numerical method - numerical integration

    Evaluate the following integration: I(f) = integral sign from 0 to 20 of e^(-x) dx 1. Analytically 2. Rectangle method with h= 10,5,4,2,1. 3. Mid-point method with h= 10,5,4,2,1. 4. Trapezoidal method with h= 10,5,4,2,1. 5. Simpson's method with h=

    asked by Anonymous on November 1, 2010
  85. engineering economic

    Ahmad is considering investing RM2000 to Ali's project at an interest rate 6% compound annually for 5 years or investing RM2000 to Rosli at 7% per year simple interest for 5 years. From your point of view which option is better and state your reason

    asked by anne on December 18, 2012
  86. Chemistry

    Search: How much energy (in Kj) is relased when 25.0g of ethanol vapor at 93, is cooled to -10? Ethanol has a melting point of -114.5, bp of 78.4, specific heat= 2.10J/g, heat of fusion =4.60Kj/mol, specicic heat= 1.9j/g, heat of vaporization = 38.56Kj/mol

    asked by Oscar on September 27, 2011
  87. chemistry

    suppose you know the values for r, theta, and phi which specify a point. what are the corresponding values of x,y,z? Write an expression for x as a function or r, theta,and phi; then do the same for x,y,z. Using the answer to the previous question write

    asked by Olga on March 31, 2011
  88. physics

    A particle leaves its initial position x0 at time t=0 moving in the positive x direction with speed v0 but undergoing acceleration of magnitude (a) in the negative x direction. Find expressions for a) the time when it returns to the position x0 and b) its

    asked by princessw on January 30, 2012
  89. physics

    The drawing shows a chain-saw blade. The rotating sprocket tip at the end of the guide bar has a radius of 1.4×10-2 m. The linear speed of a chain link at point A is 3.0 m/s. Find the angular speed of the sprocket tip in rev/s.

    asked by ram on October 22, 2014
  90. physics

    A 0.73 kg ball is thrown straight up with an initial velocity of 2.50 m/s. Taking the potential energy of gravity to be zero at the height from which the ball is thrown, determine its gravitational potential energy at the balls highest point. Ignore air

    asked by nate on October 5, 2012
  91. chemistry

    CaCO3(s)+2HCl(aq)-->CaCl2(aq)+H2O(l)+CO2 (g) How many grams of calcium chloride will be produced when 31g of calcium carbonate are combined with 11 g of HCl? I have 0.3097 moles of CaCO3 and 0.30169 moles of HCl...I get stuck at that point

    asked by Jana on January 17, 2013
  92. physics

    A bucket of mass 2.20 kg is whirled in a vertical circle of radius 1.15 m. At the lowest point of its motion the tension in the rope supporting the bucket is 28.0 N. a) Find the speed of the bucket. b)How fast must the bucket move at the top of the circle

    asked by jess on November 4, 2010
  93. physics

    a certain mass leaves the origin traveling in an unknown direction with an unknown speed. The mass is subject to a constant acceleration of -12i m/s2. It later passes the y axis at the point (0,50). What was the initial speed and the intitial direction?

    asked by Anonymous on September 11, 2012
  94. Numerical method - numerical integration

    Evaluate the following integration: I(f) = integral sign from 0 to 20 of e^(-x) dx 1. Analytically 2. Rectangle method with h= 10,5,4,2,1. 3. Mid-point method with h= 10,5,4,2,1. 4. Trapezoidal method with h= 10,5,4,2,1. 5. Simpson's method with h=

    asked by Anonymous on October 31, 2010
  95. Math

    A boat, whose speed in still water is 2.80m/s , must cross a 280m wide river and arrive at a point 120m upstream from where it starts. To do so, the pilot must head the boat at a 45.0 degrees upstream angle. What is the speed of the river's current?

    asked by Anne on September 12, 2009
  96. Physics

    A bucket of mass 1.70 kg is whirled in a vertical circle of radius 1.50 m. At the lowest point of its motion the tension in the rope supporting the bucket is 20.0 N. 1) Find the speed of the bucket. 2) How fast must the bucket move at the top of the circle

    asked by Anonymous on December 5, 2009
  97. physics

    a ball rolls down a roof that makes an angle of 30 to horizontal.it rolls off the egde with a speed of 5.00m/s.distance to the ground from that point is 7.00m a)how long is the ball in the air b)how far from the base of the house does it land? c)what is

    asked by sandhya on May 1, 2012
  98. Physics

    A bucket of mass 2.20 kg is whirled in a vertical circle of radius 1.40 m. At the lowest point of its motion the tension in the rope supporting the bucket is 30.0 N. Find the speed of the bucket. How fast must the bucket move at the top of the circle so

    asked by Lilly on October 23, 2011
  99. 11th Grade Chemistry Redox

    I’m studying Redox Chapter. In this chapter I came across a point regarding oxidation. “Loss of electron results in decrease in negative charge” e.g MnO^2- = MnO^- + e^- 2Cl^- = Cl2 + 2e^- S^2- = S + 2e^- Now first tell me what does "2e^-" means

    asked by Akashdeep Singh Pune on May 5, 2010
  100. algebra

    (2) The temperature F, in degrees Fahrenheit, that corresponds to a temperature C, in degrees Celsius, is given by the equation F = (9/5)C + 32. If you graph this equation for 0 £ C £ 100, you will notice that the point whose coordinates are (45, 113) is

    asked by help needed asap on February 28, 2012

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