From the Edge of a Roof You Throw a Snowball

question 138

Multiple Choice

From the edge of a roof you throw a snowball downward that strikes the ground with 100 J of kinetic energy.Then you throw a second snowball upward with the same initial speed,and this too falls to the ground.Neglecting air resistance,the second snowball hits the ground with a kinetic energy of

• A)less than 100 J.
• B)100 J.
• C)200 J.
• D)more than 200 J.
• E)none of the above

---

Definitions:

Hypnotic Suggestion

A therapy technique in which individuals are guided into hypnosis and given suggestions intended to alter their perceptions, emotions, or behaviors.

Déjà Vu

The eerie sensation of having already experienced a present situation, despite it ostensibly being new.

Familiarity

A sense of recognition or understanding of something or someone due to previous exposure or experience.

Situation

The set of all external conditions and influences affecting the performance or outcome of a process, event, or decision.