A piece of wood is floating at the surface of some water as illustrated (the diagram is not to scale). The wood has a circular cross section and a height h = 4.0 cm. The density of water is 1.00 g/cm3. The distance y from the surface of the water to the bottom of the wood is 3.0 cm. The density of the wood is (in g/cm3):
Question 1 options:
A)Impossible to determine because the area of the cross section is not given.
PHYSICS - bobpursley, Tuesday, August 9, 2011 at 10:13pm
the volume underwater is area*h=area*3
mass of water displced=densitywater*volume
This is equal to the weight of the wood:
set them equal