A Viscous Fluid Is Flowing Through a Small Tube at a Rate

question 78

Multiple Choice

A viscous fluid is flowing through a small tube at a rate of 2.0 × 10⁻⁴ m³/s. If the pressure difference between the ends of the tube is doubled and the radius is also doubled, then what is the new rate of flow of the fluid?

• A) 6.4 × 10⁻³ m³/s
• B) 5.6 × 10⁻³ m³/s
• C) 4.4 × 10⁻³ m³/s
• D) 3.7 × 10⁻³ m³/s
• E) 2.6 × 10⁻³ m³/s

---

Definitions:

Unemployment Insurance

A government program that provides temporary financial assistance to workers who have lost their jobs through no fault of their own.

Primary Sector

The part of the economy that is involved with the extraction of raw materials from the environment, such as agriculture, fishing, and mining.

Tertiary Sector

The segment of the economy that provides services to consumers and businesses, as opposed to goods manufacturing or primary industries like agriculture.

Participatory Democracy

A model of democracy in which citizens have the power to decide directly on policy and politicians are responsible for implementing those policy decisions.