On the Earth,when an Astronaut Throws a 0

question 659

Multiple Choice

On the earth,when an astronaut throws a 0.250-kg stone vertically upward,it returns to his hand a time T later.On planet X he finds that,under the same circumstances,the stone returns to his hand in 2T.In both cases,he throws the stone with the same initial velocity and it feels negligible air resistance.The acceleration due to gravity on planet X (in terms of g) is

• A) g/4.
• B) g/2.
• C) g/ .
• D) g .
• E) 2g.

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Definitions:

Self-Discrepancies

Differences between one's self-concept and one's ideal self or ought self, leading to emotional discomfort.

Sociometer Theory

A psychological theory suggesting that self-esteem acts as an internal gauge of the degree to which one is included or valued in social groups.

Self-Reference Effect

The enhancement of long-term memory that comes from thinking about how information being memorized relates to the self.

Self-View

The perception or conception that one has of oneself, including beliefs and feelings about one's attributes and identity.