A Hurricane Strength Wind Is Blowing at a Speed of 100

question 17

Multiple Choice

A hurricane strength wind is blowing at a speed of 100 km/hr over a flat roof of 100 m².Assuming the inside of the house to be at 1 atm pressure and the density of air is 1.3 kg/m³,calculate the pressure difference between the inside and the outside of the roof.

• A)500 Pa lower outside
• B)1000 Pa higher outside
• C)500 Pa lower inside
• D)1000 Pa lower outside
• E)18 Pa lower outside

---

Definitions:

Psychoanalysis

A therapeutic approach developed by Freud, focusing on exploring unconscious motivations and conflicts as a method of treating psychological disorders.

Trait Theories

Theories in psychology that focus on identifying and classifying individual differences in behavior as stable traits.

Free Association

A therapeutic method in psychoanalysis where the individual speaks their thoughts freely without self-censorship to delve into the unconscious.

Defense Mechanisms

In psychoanalytic theory, the ego’s protective methods of reducing anxiety by unconsciously distorting reality.