A Space Probe Has an 15

question 29

Multiple Choice

A space probe has an 15.6-m length when measured at rest.What length does an observer at rest measure when the probe is going by at a speed of 0.740 c?

• A) 23.2 m
• B) 10.5 m
• C) 8.0 m
• D) 11.5 m
• E) ​21.1 m

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Definitions:

Homologous Traits

Features in different species that are similar because of a common evolutionary origin, not necessarily similar in function.

Common Ancestor

The common ancestor refers to an ancestral species or population from which two or more species have evolved, highlighting the concept of evolution and shared lineage.

Extant Cetaceans

Currently living whale, dolphin, and porpoise species that are members of the order Cetacea.