A Vertical Tube That Is Closed at the Upper End

question 36

Short Answer

A vertical tube that is closed at the upper end and open at the lower end contains an air pocket.The open end of the tube is under the water of a lake,as shown in the figure.When the lower end of the tube is just under the surface of the lake,where the temperature is 37°C and the pressure is 1.0 × 10⁵ Pa,the air pocket occupies a volume of .Suppose now that the lower end of the tube is at a depth of 86 m in the lake,where the temperature is 7.0°C.What is the volume of the air pocket under these conditions? The density of the water in the lake is 1000 kg/m³.

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Definitions:

Experimental Procedure

A methodical approach carried out with the intention of verifying, falsifying, or establishing the validity of a hypothesis.

ECT

Electroconvulsive Therapy, a psychiatric treatment in which seizures are electrically induced in patients to provide relief from mental disorders.

VNS

Vagus Nerve Stimulation, a medical treatment that involves delivering electrical impulses to the vagus nerve to treat conditions like epilepsy and depression.

CBT

Cognitive Behavioral Therapy, a psychotherapeutic approach that addresses dysfunctional emotions, behaviors, and cognitions through a goal-oriented, systemic process.