Question

45% of a piece of wood floats on water what is density of wood

Answer 1

A block of wood has a mass of 3.67 kg and a density of 600 kg/m3.
It is to be loaded with lead so that it will float in water with 0.90 of its volume submerged. The density of lead is 1.13 × 104 kg/m3.

Answer 2

Answer:

Law of floatation:The law of floatation states that a body will float in a liquid if the weight of the liquid displaced by the immersed part of the body is equal to or greater than the weight of the body. For first case, 45th volume of wood is submerged in water.