Two Identical Grasshoppers Jump into the Air with the Same

question 18

Multiple Choice

Two identical grasshoppers jump into the air with the same initial speed and experience no air resistance.Grasshopper A goes straight up,but grasshopper B goes up at a 66° angle above the horizontal.Which of the following statements about these grasshoppers are correct? (There could be more than one correct choice. )

• A)At their highest point,both of them have the same amount of gravitational potential energy.
• B)At their highest point,both of them have the same amount of kinetic energy.
• C)At their highest point,both of them have the same amount of mechanical energy.
• D)At their highest point,grasshopper B is moving faster than grasshopper A.
• E)At their highest point,grasshopper A has more gravitational potential energy than grasshopper B.

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Definitions:

Projection

A defense mechanism where individuals attribute their own unacceptable thoughts, feelings, and motives to another person.

Hypnotic Responsiveness

An individual's susceptibility to suggestions made during hypnosis.

Positive Attitudes

A mental state involving constructive thinking, optimism, and a positive outlook towards events, people, and situations.

High Extraversion Score

Indicates an individual who exhibits traits associated with extraversion, such as sociability, talkativeness, and assertiveness, to a greater degree than average.