A
scuba tank, when fully submerged, displaces 15.7 liters of
seawater. The tank has a total mass of 14 kg when empty; when full,
it contains 3 kg of air. a) If you release the full (from from a
spot underneath the surface of the ocean, does it sink, remain at
that spot, or rise to the surface? Explain. b) If the tank is
initially 2 m below the ocean surface, determine the pressure that
the ocean water exerts on...