1. Pressure is defined as force per unit area that a fluid exerts on its surroundings.[1] For example, pressure, P, is a function of force, F, and area, A. P = F/A. A container full of gas contains innumerable atoms and molecules that are constantly bouncing of its walls.
Length of the day in Sydney is 10:03 hours. Civil twilight begins at 06:32:04 and ends at 17:29:15 hours. Nautical twilight in Sydney begins at 06:01:11 and ends at 18:00:08 hours. Astronomical twilight in Sydney begins at 05:30:58 and ends at 18:30:20 hours.
Here you will find some information on temperature, rainfall and seasonal activities to help you plan your holiday in Sydney. Summer (December â February) in Sydney means enjoying the great outdoors. January is usually the warmest month in Sydney with an average temperature range of 18.6 â 25.8 Â°C.ere you will find some information on temperature, rainfall and seasonal activities to help you plan your holiday in Sydney. Summer (December â February) in Sydney means enjoying the great outdoors. January is usually the warmest month in Sydney with an average temperature range of 18.6 â 25.8 Â°C.