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mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    non sort: The
    title: effect of angle, velocity, and rotation of incidence on the angle deviation of rebounding tennis balls
  name:
    name part: Smith, James Frank
    name part: 1953-
    role:
      role term: creator
  name:
    name part: Dowell, Linus J.
    role:
      role term: degree supervisor.
  name:
    name part: Kemp, Walter M.
    role:
      role term: degree committee member.
  name:
    name part: Shea, Charles H.
    role:
      role term: degree committee member.
  name:
    name part: Tolson, Homer
    role:
      role term: degree committee member.
  name:
    name part: Texas A & M University
    role:
      role term: degree granting institution.
  type of resource: text
  genre: bibliography
  genre: Academic theses
  origin info:
    place:
      place term: xx
    date issued: 1988
    issuance: monographic
  language:
    language term: eng
  physical description:
    form: print
    extent: xi, 142 leaves : illustrations ; 29 cm
  abstract: The purpose of this study was to describe the relationship between the three predictor variables of angle of incidence (AI), velocity of incidence (VI), and rotation of incidence (RI) and the criterion variable of angle deviation (AD) of rebounding tennis balls. A total of 30 observations were recorded by the Lccam high-speed camera operating at 400 frames per second and positioned at a right angle to the line of flight of the ball at the point of rebound. The tennis balls were projected from a Prince ball machine suspended above a Laykold court surface. The angles of projection were approximately 15, 30, 45, 60, and 75 degrees. The balls were projected at two different velocities, and with either topspin, backspin, or no spin. A significant relationship was found to exist between the criterion variable and the three predictors. The proposed model was shown to account for 79.58% of the variation in AD. The variable VI was found to have no statistical significance in the prediction of AD, and was subsequently omitted from the model. The resulting two variable model could account for 79.54% of the variation in AD. The single most influential variable in the prediction of AD was RI, which accounted for 42% of the variation in the criterion variable. Angle deviation was greatest for balls that were projected with backspin and least for balls that were projected with topspin. The variable AI was significant in the prediction model, even though it could account for only 9.8% of the variation in AD by itself. Tennis balls which impacted the surface at an angle less than 45 degrees experienced a greater AD than those which impacted at an angle greater than 45 degrees. Angle of incidence and rotation of incidence each have a significant effect upon the angle deviation of a rebounding tennis ball. When these two variables are known, it is possible to predict angle deviation.
  note: Typescript (photocopy).
  note: Vita.
  note: "Major subject: Physical Education."
  note: Ph. D. Texas A & M University 1988
  note: Includes bibliographical references (leaves 113-121).
  subject:
    topic: Tennis balls
  subject:
    topic: Kinematics
  subject:
    topic: Sports cinematography
  subject:
    topic: Major physical education
  identifier: http://gateway.proquest.com/openurl
  identifier: http://proxy.library.tamu.edu/login
  related item:
    location:
      url: http://proxy.library.tamu.edu/login
  related item:
    location:
      url: http://gateway.proquest.com/openurl
  record info:
    record content source: TXA
    record creation date: 900514
    record change date: 20200904152432.0
    record identifier: in00000898395
    language of cataloging:
      language term: eng