Recent content by ralphamale

  1. R

    Undergrad Maximum velocity of buoyant object

    I have a plastic ball 2.75" in diameter weighing 16 grams submerged at 6 feet depth. I am trying to determine the maximum velocity achieved when I release the ball? Also, if I tether (30) balls together with fishing line at 1/2" spacing how will that affect velocity? I really appreciate any...
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    High School Hydrostatic behaviour - water in tube

    To moderator - I had mistakenly posted this to the "General Physics" forum and later noticed the note about not posting there - sorry! I hope this is the correct location for posting the following question. I am a novice on this site and am trying to find an answer to a question which is: I...
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    High School What Happens to Water Pressure in a Glass When Inverted?

    I too am a novice on this site and am trying to find an answer to a similar question which is: I filled a tube 48" x 1.5" with water, sealing one end and then inverted it - I expected the water to remain due to the vacuum but it did not. Is there a certain ratio of ht. to dia. required to keep...