An Ideal Fluid, of Density 0

question 16

Multiple Choice

An ideal fluid, of density 0.90 *10³ kg/m³, flows at 12 m/s through a level pipe with radius of 0.50 cm. The pressure in the fluid is 1.3 *10⁵ N/m². This pipe connects to a second level pipe with a radius of 1.5 cm. Find the speed of flow in the second pipe.

• A) 54 m/s
• B) 1.3 m/s
• C) 0.67 m/s
• D) 0.33 m/s

---

Definitions:

Unintended Changes

Alterations that occur without a deliberate plan or intention, often leading to unexpected outcomes.

Natural Contexts

Environments or situations that occur naturally, without human intervention, allowing for the observation of behaviors and phenomena in their true form.

Double-Blind

An experimental procedure in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Correlational

A research method that examines the relationship between two or more variables to determine if a change in one variable is associated with a change in another.