A Fluid Is Flowing Through a Tube with a Diameter

question 1

Multiple Choice

A fluid is flowing through a tube with a diameter of 4 mm, a length of 40 cm, at a speed of 0.7 m/s. The pressure drop is 950 Pa. What is the viscosity of the fluid?

• A)68 Ns/m²
• B)1.7 × 10^-3 N s/m²
• C)6.7 × 10^-3 N s/m²
• D)6.7 × 10^-5 N s/m²

---

Definitions:

Between-subjects

A research design where different subjects are assigned to each of the experimental conditions, ensuring individual variables do not influence the outcome.

Case Study

A research method that involves the in-depth study of a single individual, group, event, or community to explore phenomena within a real-life context.

Noam Chomsky

A linguistic and cognitive scientist known for his theory of generative grammar and critique of behaviorism.

Behaviorism

A theoretical approach in psychology that studies observable behaviors, emphasizing the role of external factors in shaping behavior and minimizing the importance of innate traits and consciousness.