Answer :
The ratio of its density to that of pure water (1,000 kg/m3) determines the percentage submerged. Thus, 130/1,000 = 0.13 = 13%.
Which type of wood floats in the water?
Being relatively light, cedar may float on top of water with ease. On the other hand, oak is a significantly heaver material that is frequently referred to as a hardwood. Even when portion of the wood is submerged in the water, it will still float. Ipe, a third kind of wood, comes from a Central and South American tree.
Calculation:
Balsa wood has a density of 130 kg/m3,
while pure water has a density of 1000 kg/m3.
percentage of the submerged wood = 130 × 100 / 1000
percentage of the submerged wood = 13%
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