Evaluate the Line Integral $\int _ { C } x d y$

question 54

Multiple Choice

Evaluate the line integral $\int _ { C } x d y$ along the circle $x = \cos t , y = \sin t , 0 \leq t \leq 2 \pi$ .

• A) \(\frac { \pi } { 2 }\)
• B) \(\pi\)
• C)\(2 \pi\)
• D) \(4 \pi\)
• E) \(- \frac { \pi } { 2 }\)
• F) \(- \pi\)
• G) \(- 2 \pi\)
• H) \(- 4 \pi\)

---

Definitions:

Shadowing Performance

The process of mimicking verbal material immediately as it is heard, a method used to explore the mechanisms of auditory attention and speech processing.

Treisman's Experiment

An experiment by Anne Treisman that demonstrates the role of attention in the perception of objects, highlighting how the brain integrates information from different visual features.

Broadbent's Model

A theory of attention that proposes that information is filtered at an early stage of perception, allowing only a subset of stimuli to be processed in detail.

Cocktail Party Effect

The ability of individuals to focus on a single conversation in a noisy environment, ignoring other conversations.