A Hypothetical Planet Has a Mass of One-Half That of the Earth

question 21

Multiple Choice

A hypothetical planet has a mass of one-half that of the earth and a radius of twice that of the earth.What is the acceleration due to gravity on the planet in terms of g,the acceleration due to gravity at the surface of the earth?

• A)g
• B)g/2
• C)g/4
• D)g/8
• E)g/16

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Definitions:

Scale-Model

A replica or prototype of an object that is reduced or increased in size but maintains proportional dimensions.

Concrete-Operations Stage

A stage in Piaget's theory of cognitive development, where children gain the ability to think logically about concrete events.

Abstract Questions

Questions that refer to ideas or concepts that are not concrete and require thoughtful consideration and interpretation to answer.

Conservation

The understanding that certain properties of objects remain the same despite changes in their form or appearance.