The Earth Takes Slightly Less Than One Day to Complete

question 12

Multiple Choice

The Earth takes slightly less than one day to complete one rotation about the axis passing through its poles. The actual time is 8.616 × 10⁴ s. Given this information, what is the angular speed of the Earth about its axis?

• A)7.292 × 10^-5 rad/s
• B)2.321 × 10^-6 rad/s
• C)9.951 × 10^-5 rad/s
• D)6.334 × 10^-4 rad/s
• E)1.990 × 10^-7 rad/s

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Definitions:

Object Permanence

is the understanding that objects continue to exist even when they cannot be observed, a concept typically developed during infancy.

Deferred Imitation

the ability to replicate an action observed in the past, demonstrating memory and understanding of the behavior.

Cognitive Development

The process by which individuals perceive, think, and gain understanding of their world through the interaction and influence of genetic and learned factors.

Object Permanence

Object Permanence is the understanding that objects continue to exist even when they cannot be seen, heard, or touched, a concept developed in early childhood.