Two children wish to break a string. Are they more likely to succeed if each takes one end of the string and they pull against each other, or if they tie one end of the string to a tree and

18,415 results
  1. physics

    THree blocks of masses 3m, 2m and m are connected to strings A,B, and C. The blocks are pulled along a rough surface by a force of magnitude F exerted by string C. The coefficient of friction between each block and the surface is the same. Which string

  2. PHYSICS

    A car is traveling 27 m/s when the driver sees a child standing in the road. He takes 0.8 s to react, then steps on the brakes and slows at 8.0 m/s2. How far does the car go before it stops? please help!! Since he's going 27 m/s, and he takes 0.8 s to

  3. Physics

    Francesca dangles her watch from a thin piece of string while the jetliner she is in accelerates for takeoff, which takes about 11 s . Tap image to zoom . Part A Estimate the takeoff speed of the aircraft if the string makes an angle of 25∘ with respect

  4. Physics

    A stone with mass 0.8kg is attached to one end of a string 0.9m long . The string will break if its tension exceeds 600N. The stone is whirled in a horizontal circle ,the other end of the string remains fixed. Find the maximum speed , the stone can attain

  5. algebra

    The force, F, needed to break a board in a martial arts class varies inversely with the length, L, of the board. If it takes 24 pounds of pressure to break a board 2.5 feet long, how many pounds of pressure would it take to break a board that is 18 inches

  6. Physics

    A guitar string vibrates at 400 Hz and has a length of 0.8 m. Find the new frequency if a. the string is lengthened to 0.9 m. b. the string is replaced with another string, the density of which is greater by a factor of two. c. The tension in the string is

  7. sat essay

    do people have to be highly competitve in ordr to succeed? Today, people keep improving ability to be competitive in order to survive in the sever competition of the society. But does success really require us to be competitive? I don¡¯t think so. People

  8. physics

    Two children are sending signals along a cord of total mass 0.50 kg tied between tin cans with a tension of 35 N. It takes the vibrations in the string 0.50 s to go from one child to the other. How far apart are the children?

  9. SIXTH GRADE MATH

    The ratio of boys to girls at a day care cent is 5 to 4. Which of the following cannot be the total number of children at the center? A. 27 children B. 54 children C. 60 children D. 72 children Is the answer 60. The reason I chose 60 children is because

  10. English

    1. I am sure that he will succeed. 2. I'm not sure that he will succeed. 3. I'm not sure if he will succeed. -------------- Are all grammatical? is 'that he...' a noun phrase or an adverbial phrase? Is 'if he will...' a noun phrase or an adverbial phrase?

  11. Physicz

    A violin string is 33cm long. The thinnest string on the violin is tuned to vibrate at a frequency of 659Hz. (a) What is the wave velocity in the string? (b) If you place your finger on the string so that its length is shortened to 28cm, what is the

  12. English

    In this passage, what is the first indication that the story takes place in the future the parents hearing a roar of lions the parents denying their children the use of the rocket the parents complaining about their children the description of a room that

  13. Physics

    A mass is tied to a 1 m string. The string is attached to a point on a horizontal frictionless surface and the mass is set into circular motion. The string will break if tension becomes larger than 10 N. The maximum kinetic energy that the mass can achieve

  14. Physics (Formula)

    A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is Again I just need the

  15. physics

    Francesca, who likes physics experiments, dangles her watch from a thin piece of string while the jetliner she is in takes off from JFK Airport. She notices that the string makes an angle of 25° with respect to the vertical as the aircraft accelerates for

  16. early childhood

    Which of the following best describes the eclectic approach to guiding children? A. It accommodates different children's needs. B. It takes children from different backgrounds and helps them transition to the dominant culture. C. It relies on technological

  17. computer

    construct function prototypes for descriptions given below: 1) Rarb() takes no arguments and has no return value. 2) Mains() takes a float argument and returns an int. 3) San() takes two double arguments and returns a double. 4) Sum() takes an int array

  18. Math

    13. Andrea, a cyclist, uses a graph to track her speed and distance. The graph below shows Andrea's cycling data for a one hour bike ride. At one point, Andrea took a break from running. When was the break, and how long did the break last? A. At 10

  19. physics

    The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

  20. Science

    Two children wish to break a string. Are they more likely to succeed if each takes one end of the string and they pull against each other, or if they tie one end of the string to a tree and both pull on the free end? Why? I answered this one yesterday. You

  21. physics

    A certain string breaks when a force of 225 N is exerted on it. If two people pull on opposite ends of the string , each with a force of 175 N , will the string break? What actions reaction pairs of forces would be involved?

  22. Physics

    A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is

  23. Physics

    A string requires a 191.0 N force in order to break. A 1.75 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.92 m. The maximum speed that this mass can be whirled without breaking the string is Again I just need the

  24. physics

    A 3 kg mass attached to a string 6 m long is to be swung in a circular at a constant speed making one complete revolution in 1.25 s. Determine the value that the breaking strain that the string must not exceed if the string is not to break when the

  25. sound

    In a stringed musical instrument, the sound frequency of a particular string can be increased by A. lengthening the string. B. tightening the string. C. increasing the string's thickness. D. loosening the string.

  26. Physics

    Suppose you pluck a string on a guitar and it produces the note A at a frequency of 440 Hz. Now, you press your finger down on the string against one of the frets, making this point the new end of the string. The newly shortened string has 4/5 the length

  27. Language...Grammar

    1. If they had tried their best, they would have succeeded in the interview. (subjunctive mood) 2. As they didn't do their best, they didn't succeed in the interview. 3. As they didn't do their best, they wouldn't succeed in the interview. 4. As they

  28. physics

    The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

  29. Language Arts

    Which sentence correctly uses pronouns? A. If people want to succeed in life, they must know the rules of the game. B. If someone wants to succeed in life, we must know the rules of the game. C. If a person wants to succeed in life, you must know the rules

  30. teacher aide

    when working with behaviour disordered children in the classroom,the teacher aide can modify behaviour by a.praising them when they succeed. b.using the same techniques for every student. c.underestimating what the child can do. d.reinforcing the problem

  31. Special Education Setting

    when working with behavior disordered children in the classroom,the teacher aide can modify behaviorby A)praising them when they succeed. B)using the same teaching techniques for every student C)underestimating what the child can do. D)reinforcing the

  32. java

    public class SwitchCases { public static void main(String[] args) { Scanner input = new Scanner (System.in); System.out.println("Enter two numbers"); int x = input.nextInt(); int y = input.nextInt(); System.out.println("Choose a random number between 1 and

  33. Physics

    The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string has two antin- odes, and the string vibrates at 130 Hz. Find the wavelength. Answer in units of m. What is the fundamental

  34. physics

    ssm A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 56 rev/s, and its tip has a tangential speed of

  35. physics

    A string under a tension of 43.0 N is used to whirl a rock in a horizontal circle of radius 2.45 m at a speed of 20.9 m/s on a frictionless surface as shown in the figure below. As the string is pulled in, the speed of the rock increases. When the string

  36. physics

    a framed picture of weight 15N is hung on a wall, using a piece of string. The ends of the string are tied to two points, 0.60 m apart on the same horizontal level, on the back of the picture.Find the tension in the string if the string is 1.0m long

  37. Science

    Two children wish to break a string. Are they more likely to succeed if each takes one

  38. physics

    A box of mass 26 kg is hung by a thin string from the ceiling of an elevator. The string can hold up to 276.1 N and will break under larger tension force. How much can the maximum acceleration of the elevator be going upward so that the string does not

  39. science

    A box of mass 26 kg is hung by a thin string from the ceiling of an elevator. The string can hold up to 276.1 N and will break under larger tension force. How much can the maximum acceleration of the elevator be going upward so that the string does not

  40. English

    Try hard to succeed. (What is the part of speech of 'to succeed'? Is 'to succeed' the object of the verb 'try'? Or is 'to succeed' the adverbial phrase which modifies 'try'?)

  41. PHYSICS

    A 0.4 kg toy tied on a string can be whirled in a horizontal circle of of 1.2 m radius at a maximum of 3 rev/s before the string breaks. what is the force needed to break the string?

  42. physics

    A mass of 2.9 kg is hanging vertically from a string with a length of 2.4 meters. It is then raised to an angle of 50 degrees with the vertical and given some velocity, v. If the string breaks at a tension of 163.8 Newtons, what is the maximum value for v

  43. Math

    The teachers in a childcare center are taking their children for a field trip.if each bus takes 40 children, there will be 16 vacant seats. If each bus takes 36 children, 20 children will not get any seats. How many buses are there?

  44. Physics - Uniform circular motion

    If you were swingin a ball on a string around in a circle in a vertical plane, at what point in the path would the string be the most likelt to break? Explain why In what direction would the ball fly when the string broke?

  45. Physics

    A transverse wave traveling in a string takes 1.40 s to move 13.2 m. The mass of a 8.50 m piece of the string is 1.60 kg. What is the tension in the string?

  46. Physics

    A transverse wave traveling in a string takes 1.61 s to move 13.2 m. The mass of a 9.2 m piece of the string is 1.5 kg. What is the tension in the string?

  47. English

    1. Candy stripers are teenage volunteers at hospitals. (What is the meaning of 'stripers' in the sentence?) 2. She also takes sick children outside in wheelchairs. 3. She also takes sick children out in wheelchairs. 4. She also takes out sick children in

  48. Physics

    A powered model airplane of mass 1.7 kg is tied to a ceiling with string and allowed to fly at speed 0.21 m/s in a circular path of radius 0.86 m while suspended by the string which makes a constant angle with respect to the vertical. (a) What is the

  49. Physics : Young's Modulus

    A mass m is attached to a weightless string of length L, cross section S, and tensile strength ( the maximum tension it can withstand ) T . The mass is suddenly released from a point near the fixed end of the string. What condition should be on the value

  50. Physics

    A mass m is attached to a weightless string of length L, cross section S, and tensile strength ( the maximum tension it can withstand ) T . The mass is suddenly released from a point near the fixed end of the string. What condition should be on the value

  51. college physics

    A stone with a mass of 0.800 is attached to one end of a string 0.800 long. The string will break if its tension exceeds 60.0 . The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find the

  52. Physics

    A 0.77 kg mass, attached to the end of a 0.86 m string, is whirled around in a circular horizontal path. If the maximum tension that the string can withstand is 683 N, then what maximum speed can the mass have if the string is not to break?

  53. physics

    a stone with a mass of .700kg is attached to the end of a rting 0.900m long. the string will break if its tension exceed 60.0 N. the stone is whirled in a horizontal circle on a frictionless tabletop; the other of the string remain fixed. Find the maximum

  54. Physics

    Jean dangles her watch from a thin piece of string while the jetliner she is in takes off. She notices that the string makes an angle of 22° with respect to the vertical while the aircraft accelerates for takeoff, which takes about 18 seconds. Estimate

  55. English

    Posted by rfvv on Monday, March 5, 2012 at 7:39pm. Try hard to succeed. (What is the part of speech of 'to succeed'? Is 'to succeed' the object of the verb 'try'? Or is 'to succeed' the adverbial phrase which modifies 'try'?) English - Ms. Sue, Monday,

  56. AP Physics

    Jean, who likes physics experiments, dangles her watch from a thin piece of string while the jetliner she is in takes off from Dulles Airport (Fig. 4-55). She notices that the string makes an angle of 24° with respect to the vertical while the aircraft

  57. Physics

    A car with fuzzy dice hanging from the rear view mirror by a single string drives along at a constant 25.0 m/s. a) If the dice have a mass of 0.030 kg, what is the angle of the string (relative to vertical)? b) What is the tension in the string? c) As the

  58. Physics

    A 700g block on a 130.0 cm long string (radius) swings in a circle on a horizontal frictionless surface. If the string will break when the tension exceeds 36.0 N, at what maximum rpm can the block rotate?

  59. Physics

    The motion of a wave traveling along a stretched string is described by the equation: y(x,t)=(2.4cm)sin(5.7x−14.0t) What is the minimum time it takes for a particle on the string to move from y= -2.4 cm to y = 2.4 cm? Can someone help me give some hints

  60. physics

    String instrument players can tune one string off of another - once you are happy with the tension and resulting pitch in one lower string, you put your finger down partway up the first string at the appropriate spot to make a higher pitch, one which

  61. Chemistry 101

    It takes 347 kJ/mole to break a bond between 2 carbon atoms (C-C bond). a. What wavelength are the photons needed to break this bond? b. Wave frequency are the photons needed to break this bond?

  62. PHYSICS

    8) A rock of mass 400 g is tied to one end of a string that is 2.0 m in length and swung around in a horizontal circle. It takes 2 s to complete one circle. a. Find the angular velocity of the rock just as the string breaks. b. At what speed is the rock

  63. physics

    A mass m = 9.0 kg is attached to the lower end of a massless string of length L = 83.0 cm. The upper end of the string is held fixed. Suppose that the mass moves in a circle at constant speed, and that the string makes an angle theta = 21 with the

  64. Bizzy - proofread

    Bizzy, I have taken this paragraph and rewritten it to let you see what I meant by being less wordy and better organized. My study of Human Development will be useful in working with children. The course,Human Development 307I Childhood through

  65. Physics

    Posting this question cause I struggled forever and could not get an answer. You attach one end of a string of length L to a small ball of inertia m. You attach the string's other end to a pivot that allows free revolution. (a) What is the tension as a

  66. Physics

    Posting this question cause I struggled forever and could not get an answer. You attach one end of a string of length L to a small ball of inertia m. You attach the string's other end to a pivot that allows free revolution. (a) What is the tension as a

  67. programming

    1. The attached bombs.zip file contains 19 bombs. These bombs have been numbered and every one needs to break only one. The assignment is as follows. For example, student 191464104 needs to break binaryBomNo.2.exe. You need to find out the 6-digit password

  68. English

    Posted by rfvv on Tuesday, March 12, 2013 at 5:35pm. Posted by rfvv on Monday, March 5, 2012 at 7:39pm. Try hard to succeed. (What is the part of speech of 'to succeed'? Is 'to succeed' the object of the verb 'try'? Or is 'to succeed' the adverbial phrase

  69. Algebra

    Last post for today: This is translated but I'm not really sure what it means. -Break out of −28x^2−21x^3 as much as possible. -Break out the largest possible factor from x^2−2x. -Break out and shorten 36x + 8x^3 over 12x What does 'break out' mean?

  70. MIS (java)

    Download A04.txt and copy it into a new Eclipse project named {NetID}A04. Rename (refector) {NETID}A03.java to {NETID}A04.java Modify the return type of magicEightBallIf and magicEightBallCase so they return a String instead of printing the result. Create

  71. Physics: HELP PLS

    The speed of a wave in a string is given by v = Ö(FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 15.5 g. A 93 g mass is attached to the string and hung over a pulley. The end of the

  72. Calculus

    In 1979, a biologist Reto Zach published a study on how crows drop whelks, a type of mollusk, from a height that minimized the amount of energy spent to break open the shells. Drop from too low a height, and the bird has to pick the shell up many times

  73. Computer science

    PLEASE SOMEONE HELP ME! I need help calculating the charges and setup to display savings. 1. Help with calculations. No matter the numbers i input just the base rate comes up. 2. I need help changing the code to "Modify the program so it calculates and

  74. physics

    The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

  75. Language Arts

    Which sentence correctly uses pronouns? A. If people want to succeed in life, they must know the rules of the game. B. If someone wants to succeed in life, we must know the rules of the game. C. If a person wants to succeed in life, you must know the rules

  76. Chemistry

    A string has a length of 84 cm. The string is stretched taut, and both ends are restricted to be nonmoving. Touching the string at which of the following points will not produce a standing wave when the string is plucked?

  77. law

    what does this mean? It takes a village to raise a child What impact does this have on juvenile justice system? http://en.wikipedia.org/wiki/It_Takes_A_Village You can find more references if you Google "it takes a village" (including the quotation marks).

  78. Physics

    A string is attached to a wall and vibrates back and forth, as in Figure 17.18. The vibration frequency and length of the string are fixed. The tension in the string is changed, and it is observed that at certain values of the tension a standing wave

  79. Physics

    The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string has two antin- odes, and the string vibrates at 130 Hz. Find the wavelength answer in m What is the fundamental frequency? Answer

  80. Social Studies

    What would an economist expect if the negative incentives for bad behavior in a school became stricter? A. Students would be less likely to break the rules because the expectations are clearer. B. Students would be less likely to break the rules because

  81. math Please help/explain

    A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the

  82. Help Math

    A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the

  83. Math Please help

    A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the

  84. Physics

    A 6.0- m-long string has a mass of 12.5 g. Transverse waves propagate along the string with a speed of 189.0 m/s. One end of the string is forced to oscillate at 120.0Hz with an amplitude of 0.470 cm. What power is transmitted along the string?

  85. physics

    A string is tied across the opening of a deep well, at a height 5 m above the water level. The string has length 7.51m and linear density 4.17 g/m; any time there is a wind, the string vibrates like mad. The speed of sound in air is 343 m/s. Assuming that

  86. Programming

    Let L = {a, b}. For the language below, give an example of a string in the language, and a string not in the language. {w is in L*: uvw = wvu, for some {u, v} in L*} - To simplify, I would say that any string is in the language if u = w and v can be

  87. Science

    Two Cars A car leaves San Francisco, traveling east at 65 miles per hour. The driver takes a bathroom break of 15 min every 3 hours. Another car departs New York City at the same time, traveling at 60 miles per hour. This driver takes a bathroom break of

  88. Physical Science

    The string of a certain yo-yo is 80 cm long and will break when the force on it is 10 N. What is the highest speed the 200 g yo-yo can have when it is being whirled in a circle? Ignore the gravitational pull of the earth on the yo-yo.

  89. Physical Science

    The string of a certain yo-yo is 80 cm long and will break when the force on it is 10 N. What is the highest speed the 200 g yo-yo can have when it is being whirled in a circle? Ignore the gravitational pull of the earth on the yo-yo.

  90. Physics

    Two objects are connected with a string. In the quantitative treatment of the problem we assume that the string exerts a tension force of magnitude T on each of the two objects. What do we need to assume for this assumption to be valid? a) the string may

  91. English

    1. When you are not at home, who takes care of the children? 2. When you are not at home, who is taking care of the children? 3. When you are not at home, who will take care of the children? ------------------- Which ones are correct and common? Does #2

  92. Physics

    A string under a tension of 43 N is used to whirl a rock in a horizontal circle of radius 2.1 m at a speed of 15.89 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.948 m long and the speed of the rock is 59 m/s, the

  93. Physics

    A string under a tension of 48 N is used to whirl a rock in a horizontal circle of radius 2.4 m at a speed of 18.48 m/s. The string is pulled in, and the speed of the rock increases. When the string is 1.076 m long and the speed of the rock is 49.4 m/s,

  94. Physics

    A string under a tension of 68 N is used to whirl a rock in a horizontal circle of radius 3.7 m at a speed of 16.53 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.896 m long and the speed of the rock is 71.5 m/s,

  95. physics

    A string under a tension of 43 N is used to whirl a rock in a horizontal circle of radius 3.3 m at a speed of 26.46 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.635 m long and the speed of the rock is 80.5 m/s,

  96. physics

    A string under a tension of 43.0 N is used to whirl a rock in a horizontal circle of radius 2.25 m at a speed of 20.0 m/s on a frictionless surface as shown in the figure below. As the string is pulled in, the speed of the rock increases. When the string

  97. physics

    A string under a tension of 59.0 N is used to whirl a rock in a horizontal circle of radius 2.55 m at a speed of 20.0 m/s on a frictionless surface as shown in the figure below. As the string is pulled in, the speed of the rock increases. When the string

  98. Physics

    A string under a tension of 43.0 N is used to whirl a rock in a horizontal circle of radius 2.25 m at a speed of 20.0 m/s on a frictionless surface as shown in the figure below. As the string is pulled in, the speed of the rock increases. When the string

  99. physics

    When driven by a 120 Hz vibrator, a string has transverse waves of 31 cm wavelength traveling along it. (a) What is the speed of the waves on the string& (b) Is the tension in the string is 1.2 N, what is the mass of 50 cm of the string?

  100. Physics

    SEQUENCE of questions: 1)A typical steel B-string in a guitar resonates at its fundamental frequency at 240 Hertz. The length of the string is 0.620 m. What is the wave velocity along the string? Find your answer in m/s MY ANSWER 148.8m/s? 2)The tension in

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