The momentum equation in Lagrangian coordinates. Hydrostatics in a gravitational
field; Archimedes principle. Bernoulli's theorem

for steady flow. Streamline coordinates. Potential flow. Bernoulli's theorem
for unsteady potential flow. Boundary conditions

for inviscid flows. Formulation of the problem of waves on water.

**Suggested reading:**

- Batchelor 15-18
- Milne-Thomson 10-14
- L & L 12-21