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General Launch Angle

  1. Sep 13, 2009 #1
    1. The problem statement, all variables and given/known data

    The men's world record for the shot put, 23.12m, was set by Randy Barnes of the United States on May 20, 1990. If the shot was launched from 6.00ft above the ground at an initial angle of 42.0o, what was its initial speed?

    2. Relevant equations
    Tmax= Voy/g

    3. The attempt at a solution

    Initially, I solved for Vo in the range equation, and I came up with 23.12=2(Vo^2/g)sin(42)cos(42)= 15.1 m/s
    I know I need to break it up into x and y components, but I'm not really sure how without any Vxo, time, or Vo.
  2. jcsd
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