A Submarine in Neutral Buoyancy Is 100 M Below the Surface

question 30

Multiple Choice

A submarine in neutral buoyancy is 100 m below the surface of the water.What air pressure must be supplied to remove water from the ballast tanks in order for the submarine to surface?

• A)9.9 × 105 N/m²
• B)9.8 × 105 N/m²
• C)4.9 × 105 N/m²
• D)The cross-sectional area of the tank is needed.

---

Definitions:

Psychiatric Unit

A designated area within a hospital or standalone facility that provides care and treatment for people with mental health conditions.

Detoxification Unit

A specialized facility or area in a hospital where patients undergo detoxification, especially from alcohol or drug addiction, in a controlled and medically supervised environment.

Alcohol Abuse

The excessive or inappropriate consumption of alcohol, which can lead to serious physical and mental health issues.

Withdrawal Symptoms

Physical or psychological effects that occur after stopping or reducing intake of a substance that the body has become dependent on.