A Boy Kicks a Football from Ground Level with an Initial

question 6

Multiple Choice

A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 30° above the horizontal. What is the horizontal component of its velocity at the highest point of its trajectory?

• A) 9.8 m/s
• B) 17 m/s
• C) 4.9 m/s
• D) 8.7 m/s
• E) 0 m/s

---

Definitions:

Self-Report Inventories

Psychological assessment tools where individuals provide information about themselves, typically regarding symptoms, behaviors, or personality traits.

Reliability

The degree to which an assessment tool produces stable and consistent results over time.

Validity

The extent to which a test or instrument measures what it is intended to measure.

Kinetic House-Tree-Person Test

A projective psychological test designed to measure aspects of a person's personality through their interpretation and drawing of certain elements.