Two-Dimensional Motion: an Object Has a Position Given by

question 16

Multiple Choice

Two-dimensional motion: An object has a position given by = [2.0 m + ( 5.00 m/s) t] + [3.0 m - ( 2.00 m/s²) t²] , where quantities are in SI units. What is the speed of the object at time

• A) 6.40 m/s
• B) 9.43 m/s
• C) 7.00 m/s
• D) 7.65 m/s
• E) 13.0 m/s

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Definitions:

Pessimistic Explanatory

A cognitive style where individuals habitually attribute negative events to stable, global, and internal causes.

Internal

Pertaining to or occurring within an individual’s mind or self.

Internal Causes

denotes reasons or factors within an individual, such as personal beliefs or emotions, that can influence their behavior or attitude.

Fritz Heider

An Austrian psychologist known for his contributions to attribution theory in social psychology.