​ a Particle Moves in the Xy-Plane for Time

question 37

Multiple Choice

​ A particle moves in the xy-plane for time according to the parametric equations and .Which of the following statements about the particle are true? ​
I.
The particle is moving to the right when .
II.
The particle is moving upward when .
III.
The particle is at rest when ​

• A)​I only
• B)​I and II only
• C)​II and III only
• D)​I,II,and III

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Definitions:

Facial Expressions

Visible changes in the face that convey an individual's emotional state to others.

Emotion Representation

The way in which emotional experiences are encoded, stored, and recalled in the mind.

Darwin

Refers to Charles Darwin, a 19th-century naturalist known for proposing the theory of evolution by natural selection.

Facial Expressions

Movements of the facial muscles that convey emotions or reactions, serving as nonverbal communication among humans.