A single piece of wood can be as long as the tallest tree. California Redwood. Something like 150 feet. Finger jointed can be any length. Common lengths go to 16 ft. 20 and 24 at some lumber yards.
Because the piece of wood is less dense than the water
Chemical and mechanical energy is used to cut a piece of wood.
log
The piece of wood floats in water because its specific gravity is less than water.
The wood will cast a shadow, as the light can not pass through wood.
87
board
A long piece of sawed lumber or wood is called board
Let x be the length measure of the shortest piece of wood, and 3x the length measure of the other piece of wood. So we have: x + 3x = 8 4x = 8 divide by 4 to both sides; x = 2 The length measure of the shortest piece of wood is 2.
....board....
13
.375 m
A 2x4 piece of wood.
4 feet 6 inches
A plank or a board.
6
It depends of the piece of wood itself and the type of wood that it is.