Question

A piece of wood of relative density 0.25floats in a pail containing oil of relative density 0.81.What is the fraction of volume of the wood above the surface of the oil ?

Answer 1

Answer: 25/81 or 30.8%

Explanation:

As per the law of floatation,

Mg = Weight of fluid displaced by the body

V x .25 x g = v x .81 x g

v/V = 25/81

Answer 2

Explanation:

here you go thank you