The Tonga Trench in the Pacific Ocean is 36,000 feet deep.Assuming that sea water has an average density of 1.04 g/cm³,calculate the absolute pressure at the bottom of the trench in atmospheres.

Question

Quizplus · Accepted Answer

The absolute pressure at the bottom of the trench is calculated using the formula P = ρgh + P₀, where ρ is the density of seawater (1.04 g/cm³ or 1040 kg/m³), g is the acceleration due to gravity (9.81 m/s²), h is the depth (36,000 feet or 10,973 meters), and P₀ is the atmospheric pressure (1 atm). Converting the depth to meters and calculating gives approximately 1.1 × 10³ atm.

The Tonga Trench in the Pacific Ocean Is 36,000 Feet