A Child Throws a Ball with an Initial Speed of 8.00

question 42

Multiple Choice

A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground. What is the magnitude of the ball's velocity just before it hits the ground?

• A) 1.22 m/s
• B) 6.79 m/s
• C) 7.45 m/s
• D) 9.14 m/s
• E) 4.58 m/s

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Definitions:

Wilhelm Wundt

A founder of modern psychology known for his establishment of the first psychological laboratory.

Self-Observation

Self-observation involves consciously paying attention to one’s own behaviors, thoughts, and emotions, often as a method of personal development or psychological analysis.

Stimulus-Response

A theory in psychology that describes how an external stimulus can elicit or provoke a specific response from an individual or system.

Experimental Social Psychology

A branch of psychology focusing on how individuals' thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others, using experimental methods for investigation.