A Ball Rolls Up a Slope

question 84

Multiple Choice

A ball rolls up a slope.At the end of three seconds its velocity is 20 cm/s; at the end of eight seconds its velocity is 0 cm/s.What is the magnitude of its average acceleration from the third to the eighth second?

• A)2.5 cm/s²
• B)4.0 cm/s²
• C)5.0 cm/s²
• D)6.0 cm/s²
• E)6.67 cm/s²

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Definitions:

Cognitive Abilities

Mental capabilities such as learning, thinking, reasoning, problem solving, decision making, remembering, and paying attention.

Screen Out Distractions

The process of eliminating or reducing background noise and irrelevant information to focus on important or primary tasks.

Primitive Functions

Basic physiological or psychological activities that are inherent or instinctual, serving as the foundation for more complex functions.

Attention-Deficit/Hyperactivity Disorder

A neurodevelopmental disorder characterized by patterns of inattention, hyperactivity, and impulsivity that are more pronounced than typical behavior for a person’s age.