The Mass of a Star Is 4

question 6

Multiple Choice

The mass of a star is 4.05 * 10³¹ kg and it performs one rotation in 15.00 days.Find its new period (in days) if the diameter suddenly expands to 1.450 times its original size.Assume a uniform spherical mass before the collapse and a uniform spherical mass distribution after the expansion.

• A)21.75
• B)38.25
• C)7.134
• D)31.54
• E)10.34

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Definitions:

Abnormality

A deviation from the norm that may signal the presence of a disorder, disease, or undesirable condition.

Trephination

An ancient operation in which a stone instrument was used to cut away a circular section of the skull, perhaps to treat abnormal behavior.

Stone Instrument

A tool made of stone, typically used in historical or prehistoric contexts for various purposes, such as cutting, pounding, or as part of a ritual.

Skull

The bony structure forming the head, protecting the brain and supporting the structures of the face.