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March 28, 2015

March 28, 2015

Posted by **Emily** on Monday, February 6, 2012 at 8:33am.

- Physics -
**bobpursley**, Monday, February 6, 2012 at 9:01amgravitational force=mg=volumebarrel*density*g

=H*(D/2)^2*PI*density*g

hydrostatic force= (H+1.60)4.6E-4*density*g this is the force on the column of water at the bottom. But due to Pascal's principle, that force is multiplied by the area of the barrel, so

hydrostaticForce=(2,16+1.60)4.6E-4*(1.27)^2/4.6E-4

check all that.

- Physics -
**Anonymous**, Monday, February 6, 2012 at 12:27pmI'm confused as to how you're getting 4.6*10^4.. the answer i get isn't working.

- Physics -
**Anonymous**, Monday, February 6, 2012 at 12:28pmNever mind...I get it now..it was just a change in units. But my answer is still not correct.

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