A rock weighs 1400 N in air , has apparent weight of 900 N when submerged in fresh water (998 Kg/m3). The volume ( in m3) of the rock is (g=9.8 m/s2):
An object weighs 36g in the air and has a volume of 8.0 cm3. What will be it's apparent weight when immersed fully in water? Density of water = 1kg/ m3.