A Water Tank Is Filled to a Depth of 10

question 94

Multiple Choice

A water tank is filled to a depth of 10 m,and the bottom of the tank is 20 m above ground.A water-filled hose that is 2.0 cm in diameter extends from the bottom of the tank to the ground,but no water is flowing in this hose.The water pressure at ground level in the hose is closest to which of the following values? The density of water is 1000 kg/m³.

• A)3.9 × 10⁵ N/m²
• B)2.0 × 10⁴ N/m²
• C)9.2 N/m²
• D)The question cannot be answered because the cross sectional area of the tank is needed.

Understand the concept of wealth and net worth and their differences.

Distinguish between normative and positive economic questions.

Comprehend the calculation of economic income and its components.

Grasp the principles of taxation, including double taxation on savings and the debates over the best tax base.

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