A cubic block of 0.5 m on each side floats in water with 1/10 of its volume being out of water. Find the weight of the block. An irregularly shaped piece of a solid material weighs 98.1 kg-m/  in air...

A cubic block of 0.5 m on each side floats in water with 1/10 of its volume being out of water. Find the weight of the block.

An irregularly shaped piece of a solid material weighs 98.1 kg-m/ in air and 58.86 kg-m/ when fully submerged in water. Determine the specific weight of chis material.