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Sandbag dropped from balloon - find final velocity

  1. Oct 5, 2009 #1
    1. Experiencing a constant horizontal 1.10 m/s wind, a hot-air balloon ascends from the launch site at a constant vertical speed of 2.50 m/s. At a height of 205 m, the balloonist maintains constant altitude for 10.0 s before releasing a small sandbag. What is the horizontal displacement of the balloon? How far from the launch site does the sandbag land? How long it takes the balloon to reach the 205 m? What is the final velocity of the of the sandbag?

    Thank you guys :)
     
  2. jcsd
  3. Oct 5, 2009 #2
    Re: Projectiles

    My guesses are the

    horizontal displacement: 190m
    how far from launch site: 180m
    the balloon took: 82s
    the final velocity: 6.018m/s
     
  4. Oct 5, 2009 #3

    lewando

    User Avatar
    Gold Member

    Re: Projectiles

    Why guess? All of these things are exactly knowable. What equations did you use for each result?
     
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