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

---

Definitions:

Abnormality

A deviation from the norm or standard, often referring to irregularities in physical, psychological, or behavioral function.

Psychoanalytic Approach

A psychological perspective that emphasizes the influence of the unconscious mind on behavior, originating from the work of Sigmund Freud.

Psychological Disorders

Mental disorders characterized by patterns of behavior or thought that are significantly distressing or impairing in social, occupational, or other important areas of functioning.

Sigmund Freud

An Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.