Recent content by ztf24

  1. Z

    Weight of air on a piece of paper

    Homework Statement -[/B] What is the weight of air on a piece of 8 1/2" x 11" piece of paper? Assume you're at sea level. Homework Equations [/B] None.The Attempt at a Solution All I know is atmospheric pressure is 14.7 lb/in2 at sea level. I have no idea how to go about calculating this...
  2. Z

    Yes, that makes sense. Thank you for pointing that out.

    There's an upward net force on the bottle
  3. Z

    Yes, that makes sense. Thank you for pointing that out.

    I guess I'm lost. I don't even know if need an equation for this problem. My guess is the buoyancy force is greater when the bottle is filled with water, and not air.
  4. Z

    Yes, that makes sense. Thank you for pointing that out.

    Densiry of Water is 1g/CM 3 and the liter of water weighs 1KG
  5. Z

    Yes, that makes sense. Thank you for pointing that out.

    Homework Statement - [/B] What is the buoyant force that acts on a fully submerged 1-L bottle of water? What is the buoyant force that acts on it if it is full of air, not water, but is still fully submerged? Assume you'd have to hold it under water.Homework Equations - [/B]Fb= V x D x GThe...
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