Swing Definition and 184 Threads

Swing music is a form of jazz that developed in the United States in the 1930s and 1940s. The name came from the emphasis on the off–beat, or weaker pulse. Swing bands usually featured soloists who would improvise on the melody over the arrangement. The danceable swing style of big bands and bandleaders such as Benny Goodman was the dominant form of American popular music from 1935 to 1946, known as the swing era. The verb "to swing" is also used as a term of praise for playing that has a strong groove or drive. Notable musicians of the swing era include Duke Ellington, Benny Goodman, Count Basie, Cab Calloway, Jimmy Dorsey, Tommy Dorsey, Woody Herman, Harry James, Lionel Hampton, Glenn Miller and Artie Shaw.

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  1. L

    Can You Set a Swing Going with 33 ft/s?

    Is it impossible for me to to set a swing (on which a child weighing 66 pound is sitting) going, so that its velocity from the very beginning is 33 ft/s? Why/Why not? I find myself quite lost with this question so I have no attempts at any solutions...all i know is that it sounds impossible...
  2. N

    Modeling a Swing with parametric functions

    Homework Statement How can one model the vertical and horizontal motion of a swing? The maximum height was 258 cm, the lowest 38cm and the horizontal movements went from 2.39m on the left to 2.44m on the right. The period was approx 2.5793 seconds. (The data was hand collected, so it is not...
  3. A

    How to Find the Angle of a Child on a Swing at Maximum Height

    1. Child on a Swing This child involves a child swinging on a swing supported by ropes of length 2.5 m. The child's velocity at the bottom of his arc is given as .7 m/s. The goal of the problem is to find the angle between the ropes and the vertical when the child is at his maximum height...
  4. S

    Why does the cricket ball swing?

    Hello guys, This is from an article I recently read. I have not done any aerodynamics but I'll be so greatful if anyone can explain what this guy means. What I'm thinking is if turbulent air delays the separation of air and the smooth air separates wouldn't the ball swing to the smooth...
  5. Z

    Indiana Jones rope swing physics

    Hi, I am preparing for a test and have the following question. there is the image attached too. Indiana Jones is swinging from a rope. The distance between the pivot point and his center of mass is 31.0 m. He begins swinging from rest at an angle θ = 19.0o as shown in the figure. Assuming...
  6. J

    Solving a Mechanical Energy Problem Involving a Swing

    Homework Statement A 42 kg child on a 2.3 m long swing is released from rest when the swing supports make an angle of 32 degrees with the vertical. The acceleration of gravity is 9.8 meters per second squared. If the speed of the child at the lowest point is 2.34094 m/s, what is the...
  7. D

    Find the speed at the bottom of it's swing

    A simple pendulum, 2 m in length, is released with a push (i.e. - it has an initial velocity) when the support string is at an angle of 25 degrees from the vertical. If the initial speed of the suspended mass is 1.2 m/s when at the release point, use conservation of energy to find it's speed at...
  8. K

    Pendulum swing from 1deg to 2 deg

    A pendulum swings through a maximum arc of one degree in 1 sec. Later, the pendulum is made to swing through a max of 2 degrees. What is the time required for the 2 degree arc? T = 2pi(L/g)^(1/2) Is the time the same since the swing depends on only the length and gravity due to acceleration?
  9. K

    How Does a Pendulum Swing Conserve Momentum?

    Does a pendulum swing demonstrate angular momentum, linear, both, or neither?
  10. P

    What is the Velocity and Energy of a Child on a Swing?

    Homework Statement A 25.0kg child on a 2.00m long swing is released from rest when the ropes of the swing make an angle of 30 degrees with the vertical. (a) Neglecting friction, find the child's speed at the lowest position. (b) If the actual speed of the child at the lowest position is 2.00...
  11. A

    Child on swing (rotational motion, forces) question

    Homework Statement A high school buddy exerts a horizontal force on a swing that is suspended by a rope that is 5.0 meters long, holding at an angle of 30 degrees with the vertical. The child in the swing has a mass of 30kg and dimensions that are negligible compared to the length of the...
  12. L

    Golf Physics: The Secrets of the Swing

    What are all of the physics for golf
  13. M

    Caculating the decline angle of a swing

    Homework Statement The seat of a child’s swing with a mass of 6 kg hangs on lightweight strings that are 2.5 m long. A dog with mass of 3 kg sleeps on the swing’s seat. The dog jumps from the swing with velocity of 2 m/s in a horizontal direction. - How much is the maximum angle of...
  14. J

    Swing Energy: Solve for Max Speed of 20kg Child

    Homework Statement A 20 kg child is on a swing that hangs from 3.0-m-long chains. What is her maximum speed if she swings out to a 45 degree angle? Homework Equations KE= 1/2mv^2 Ug= -mgy The Attempt at a Solution I tried to use conservation of energy to solve this problem...
  15. M

    Cricket ball swing and airfoils

    I'm a fan of cricket. I've always wondered how bowlers get cricket balls to swing in the air. According to the two articles at the following sites http://web.archive.org/web/20061230003022/www.soest.hawaii.edu/GG/STUDENTS/jfoster/normal.html"...
  16. M

    Conservation of momentum on a swing

    I was thinking the other day about how conservation of momentum works in terms of a closed system consisting of a child and a swing and gravity. How does the child start moving on the swing? Does he need to push against the air to start going? Where does he extract the momentum from? If he...
  17. J

    Pendulum that releases at the bottom end of swing?

    This is a VERY broad posting, but I was wondering if I could get some help... A pendulum is released from its starting point h, it swings down (how fast it swings does not matter) and is released at the very bottom of the swing. From here the mass is released and falls in a projectile...
  18. @

    Why Is It Easier to Swing a Linear Flat Stick Compared to Other Types?

    hi to everyone! i want to ask that, why it is easier to swing a linear flat stick rather than any other heavy stick or a baseball stick ? what is the reasion of this question in physics point of view?
  19. S

    Gravitational Potential Energy child swing Problem

    Homework Statement A 140-N child is in a swing that is attached to ropes 2.00 m long. Find the gravitational potential energy associated with the child relative to her lowest position at the following times. (a) when the ropes are horizontal I get this one. I used PE=mgy...
  20. T

    Solving the Swing Tension: A 25kg Child's Story

    Homework Statement A 25 kg child is swinging on a 3.5 m swing. At the bottom of the swing the speed of the child is moving at 3.3 m/s. What is the tension on the swing’s chain to hold the child? Homework Equations The Attempt at a Solution Can you help me i am confused about this.
  21. L

    Potential Energy of a child on a swing

    Homework Statement a 40.0 kg child is in a swing hat is attached to ropes 2.00 m long. find the gravitational potential energy associated with the child relative to the child's lowest position under the following conditions: a. when the ropes are horizontal b. when the ropes make a 30.0 degree...
  22. A

    What Minimum Speed Must Jane Have to Swing Across the River?

    Homework Statement Vernie, whose mass is 45.0 kg, needs to swing across a river filled with crocodiles in order to rescue Charlie,whose mass is 75.0 kg. However, she must swing into a constant horizontal wind force on a vine that is initially at an angle of θ with the vertical. The width of...
  23. D

    Torque and angular momentum of a swing

    Homework Statement A gymnas is performing a giant swing on the high bar. IN a simplified model of the giant swing, assume that the gymnast keeps his arms and body straight. Also assume that the gymnast does no work. With what angular speed should he be moving at, at the bottom of the swing, to...
  24. I

    Momentum of Bird on Swing after takeoff

    1.problem A 94 kg fullback moving east with a speed of 9.0 m/s is tackled by a 99 kg opponent running west at 3.0 m/s, and the collision is perfectly inelastic. (a) Calculate the velocity of the players just after the tackle. ___________________ m/s to the east (b) Calculate the decrease in...
  25. X

    Tension During Swing of Pendulum

    Homework Statement The diagram shows a simple pendulum consisting of a mass M suspended by a thin, massless string. The magnitude of the tension is T. The mass swings back and forth between +/- theta_0. Which of the following are true statements? A. T is the largest at the bottom (theta...
  26. K

    What is the Speed and Tension of a Swing Ride?

    Homework Statement A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (θ = 55.5°) Suppose the total mass of a chair and its occupant is 192 kg. (a) Determine the tension in the cable...
  27. B

    Swing problem harmonic motion problem

    Homework Statement If you guys cannot read the problem due to all the latex not pasting properly I will post the link to the website. http://courses.ncsu.edu/py411/lec/001/; then proceed to go to the homework section of my webpage then click on Assignment 6 and the problem is next to I...
  28. G

    Calc Angle of Rope Swing for 82kg Man, 1450kg Car

    Homework Statement The rope of a swing is 2.90 m long. Calculate the angle from the vertical at which a 82.0 kg man must begin to swing in order to have the same KE at the bottom as a 1450 kg car moving at 1.11 m/s (2.48 mph). Homework Equations k=(m*v^2) / 2 U = mgh The Attempt...
  29. B

    Why do pendulums swing more slowly at the equator?

    I was asked this recently and the only explanation I could come up with was that the Earth is oblate and the difference in R would account for the difference in the period. Is this wrong? Is this even a real phenomenon (the longer period at the equator than at other latitudes)?
  30. M

    Solving Power Swing Problem in Industrial Power Systems | Electrical Riddles

    An industrial power system includes one gas turbine generator (6KV, 12 MW), a step up transformer (6/20 KV, Dyn11, 20 MVA) and relevant distribution system. The 20 KV side of power transformer is earthed by a low impedance neutral grounding resistor. The rated current of resistor is 250 A for 10...
  31. D

    Calculate Maximum Velocity with Swing Chain Length and Angle

    Homework Statement Using the length of a swing's chain (1.8m) and using the angle the swing starts at relative to the vertical (30 deg.) devise a method to calculate the max veloc. of the swing at the bottom. Assume mass of person+swing=72 kg Homework Equations Ui+Ki=Uf+Kf K=1/2 mv^2...
  32. P

    Conservation of Mechanical Energy in rope swing

    Homework Statement Tarzan and Jane, whose total mass is 130.0 kg, start their swing on a 5.0 m long vine when the vine is at an angle of 30 degrees with the horizontal. At the bottom of the arc, Jane, whose mass is 50.0 kg, releases the vine. What is the maximum height at which Tarzan can...
  33. L

    What is the tension in the string at the bottom of the swing?

    A pendulum is 0.6 m long and the bob has a mass of 1.0 kg. At the bottom of its swing, the bob's speed is 1.9 m/s. What is the tension in the string at the bottom of the swing? The attempt at a solution I did Newtons second law F=ma. So I tried: The sum of all forces=ma T-W=ma...
  34. clope023

    Giant Swing, Uniform Circular Motion

    [SOLVED] Giant Swing, Uniform Circular Motion Homework Statement The "Giant Swing" at a county fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. Each arm supports a seat suspended from a cable 5.00 long, the upper end of the cable being...
  35. H

    Solving Monkey Swing Physics Problem

    Homework Statement http://img256.imageshack.us/my.php?image=b911om5.jpg sin30= .50 sin60= .87 cos30= .87 cos60= .50 tan30= .58 tan60= 1.73 A 5.0 kilogram monkey hangs initially at rest from two vines. A and B, as shown above. Each of the vines has length 10 meters and...
  36. ~christina~

    "400N Child in Swing: Calc Potential Energy

    [SOLVED] 400N child on swing Homework Statement A 400N child is in a swing attatched to ropes 2.0m long Find the gravitational potential energy of the child Earth system relative to the child's lowest position when a) the ropes are horizontal b) rope makes angle 30 deg with vertical...
  37. T

    What is the correct way to solve this problem?

    Johnny jumps off a swing, lands sitting down on a grassy 20 degree slope, and slides 3.5 meters down the slope before stopping. The coefficient of kinetic friction between grass and the seat of Johnny's pants is 0.5. What was his intial speed on the grass? I started to do this problem on my...
  38. B

    How Is a Child's Swing Speed Calculated Using Energy Conservation?

    Homework Statement A child of mass M holds onto a rope and steps off a platform. Assume that the initial speed of the child is zero. The rope has length R and negligible mass. The initial angle of the rope with the vertical is \theta0...
  39. D

    Will the rope break when the man swings?

    Homework Statement a man swings from a rope which is 10 feet long. his mass is 80 kg and at the bottom of his swing, he is going 8 m/s. The max tension the rope can take without breaking is 2000 N. Does he make it? Homework Equations Fc = mv^2/r The Attempt at a Solution...
  40. S

    What would the greatest force on the vine be during the swing?

    Homework Statement Tarzan, who weighs 619 N, swings from a cliff at the end of a convenient vine that is 14 m long (Fig. 8-37). From the top of the cliff to the bottom of the swing, he descends by 4.3 m. The vine will break if the force on it exceeds 1550 N. What would the greatest force on...
  41. S

    Calculating Maximum Speed of a Swinging Girl

    A girl swings back and forth on a swing with ropes that are 4.00m long. The maximum height she reaches is 2.00m above the ground. At the lowest poing of the swing, she is 0.500m above the ground. What is the girl's maximum speed? The answer is 5.42m/s, I just need to know how to do the problem.
  42. B

    Debunking the Ghostly Swing Phenomenon in a Small Town in Argentina

    This is happening in a small town in Argentina, they call it: "The ghostly swing" http://www.youtube.com/watch?v=f1QpvBGnv2E&mode=related&search= http://www.youtube.com/watch?v=yE7Pp3HyiuY&mode=related&search= Ther are talking about it in almost every tv channel! What do you think could be...
  43. M

    What is the Force Exerted by a Child on a Swing Chair?

    Homework Statement An inventive child wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley (Fig. P4.79), the child pulls on the loose end of the rope with such a force that the spring scale reads 350 N. The...
  44. S

    Role of pitch in swing and seam movement of cricket ball

    Recently I attended a lecture related to the physics behind swing of cricket ball. But the speaker dealt with the swing before pitching(and dealt loosely with late swing). He took only the effects of air in consideration. I am interested to know how the pitch effects the swing(or seam movement)...
  45. M

    Pendulum swing -basic trig problems

    pendulum swing --basic trig problems Homework Statement lets say you have a pendulum swinging. the length of string is 1m it swings to the right so that the angle is 45deg. i want to find difference in height from when it is at rest to its new position at 45deg. How do i do this...
  46. T

    What affects the swing of a pendulum w/ and w/o air resistance

    Homework Statement I'm having troubles figuring out what affects the swing of a pendulum. Hypotheses: 1) The period is dependent on the amplitude 2) The period is dependent on the mass of the bob 3) Air resistance and friction will affect the period 4) The period is dependent on the...
  47. Ivan Seeking

    Is the World's Highest Swing in Harbin Worth the Thrill?

    http://www.ananova.com/news/story/sm_2325093.html
  48. R

    Father pushing child on swing problem

    Homework Statement A father is about to push his child on the swing. He pulls the swing back by 1 radian, and start pushing the child with a constant force perpendicular to the swing's chain and with a magnitude equal to mg, where m is the mass of the child and the swing seat. The father...
  49. M

    If I swing my arm, it can emit gravitational waves?

    If I swing my arm, it can emit gravitational waves?? If I swing my arm, it can emit gravitational waves?? Thank you in advance!
  50. P

    Calculating Baseball Swing Force

    Sammy Sosa swings at a 0.15kg baseball and accelerates it at a rate of 3.0 x10^4 m/s^2. How much force does Sosa exert on the ball? F=ma (30000m/s^2)(0.15kg) = 4500 N Can someone make sense out of these problems? How is it accelerating at that rate? I've seen car crashing problems not...
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