Homework Help: physics

Posted by julie on Friday, January 7, 2011 at 12:56pm.

A frog in a hemispherical pod finds that he just floats without sinking in a fluid of density 1.30 g/cm3. If the pod has a radius of 3.00 cm and negligible mass, what is the mass of the frog?

physics - bobpursley, Friday, January 7, 2011 at 1:39pm
density= mass/volume

mass= density*volume

the volume of a sphere is 4/3 PI r^2, so the volume of a hemisphere is half that.

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