Question

A 2m^3 block of wood breaks off a ship at depth 1km on the sea floor. The gravity of wood is 0.9 and seawater is 1.03. What is the magnitude of the acceleration of the block of wood before it reaches the top of sea? What is the network done on wood block as it goes up a distance of 1 km from the bottom of the sea to surface? Once block floats, what is volume of the block that stays submerged?

Answer 1