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.

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Definitions:

Repressor Proteins

Proteins that bind to specific sequences of DNA to inhibit the transcription of genes, playing a critical role in gene regulation.

Transcription

The method through which the data contained in a DNA strand is replicated into a fresh molecule of messenger RNA (mRNA).

Auxin

A class of plant hormones that play crucial roles in the coordination of many growth and behavioral processes in the plant's life cycle.

Cytokinin

A class of plant hormones that promote cell division and growth, influencing various aspects of plant development.