A cylindrical disk has volume 8.98*10-3 m3 and mass 7.98 kg. The disk is floating on the surface of some water with its flat surfaces horizontal. The area of all flat surface is 0.636 m2.
a) What is the specific gravity of the disk?
b) How far above the water level is its top surface? in cm
c) How far below the water level is its bottom surface? in cm