A Radar Pulse Returns 9

question 42

Multiple Choice

A radar pulse returns 9.0 × 10^-4 s after it was sent out and reflected by an object. What is the separation distance of the radar source and the object?

• A) 2.7 × 10⁵ m
• B) 1.4 × 10⁵ m
• C) 7.4 × 10^-4 m
• D) 3.7 × 10^-4 m

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Definitions:

Liver

An essential body organ that plays a crucial role in removing toxins, synthesizing proteins, and producing the biochemicals needed for digestion.

Intestines

The lower part of the digestive system where food is digested and absorbed into the body, comprised of the small and large intestines.

Forearm

The part of the arm between the wrist and the elbow.