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.
15 min per day (hygiene) 15 min per day (facilities) 30 min per day total 210 min per week 10920 min per year // 182 hrs // 7.58 days A person lives to be 75 yrs old // 819000 mins// 13650 weeks// 568.75 days // A year and 1/2 15 min per day (hygiene) 15 min per day (facilities) 30 min per day total 210 min per week 10920 min per year // 182 hrs // ...