A Uniform Cylinder of Wood of Length 25 Cm Is

Multiple Choice

A uniform cylinder of wood of length 25 cm is floating vertically upright in a dual layered fluid.An oil layer (of density 0.9 g/cm³) that is 9 cm deep lies above a depth of water.If only 5 cm of wood lies above the oil surface calculate the density of the wood.

A) 0.76 g/ cm³
B) 0.80 g/ cm³
C) 0.70 g/ cm³
D) 0.66 g/ cm³
E) none of the above