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.

---

Definitions:

Operating Activities

Transactions that relate to the primary operations of a company, such as sales and service provision.

Indirect Method

A cash flow statement approach that adjusts net income for changes in non-cash working capital and other items to calculate operating cash flow.

Cash Flow Classifications

The categorization of cash flows into operating, investing, and financing activities for the purpose of financial reporting and analysis.

Free Cash Flow

The cash a company generates after accounting for cash outflows to support operations and maintain its capital assets.