A Ball Is Thrown Horizontally from the Top of a 20-M

question 32

Multiple Choice

A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45 . With what speed was it thrown?

• A) 14 m/s
• B) 20 m/s
• C) 28 m/s
• D) 32 m/s
• E) 40 m/s

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Definitions:

Obsessions

Persistent, unwanted thoughts that cause distress and are difficult to control.

Antisocial Personality

A disorder characterized by a long-term pattern of disregard for, or violation of, the rights of others.

Bipolar Disorder

A mental condition defined by dramatic mood oscillations, including intense emotional peaks (mania or hypomania) and troughs (depression).

Dissociative Identity

A psychological condition formerly known as multiple personality disorder, characterized by the presence of two or more distinct personality states.