A Radar Pulse Sent Out to an Airplane at a Distance

question 63

Multiple Choice

A radar pulse sent out to an airplane at a distance of 24.9 km will return as an echo to the source in what time interval? (c = 3.00 × 10⁸ m/s)

• A)3.33E-5 s
• B)8.30E-5 s
• C)1.66E-4 s
• D)4.15E-5 s
• E)4.98E-4 s

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Definitions:

Vestibule

An anatomical term referring to a space or cavity at the entrance of a canal, such as the vestibule of the ear or the vestibule of the vagina.

Hymen

A thin membrane partially covering the introitus prior to first intercourse or other breakage.

Urethral Meatus

The external opening of the urethra, through which urine exits the body from the urinary bladder.

Luteinizing Hormone

A hormone produced by the anterior pituitary gland that plays a crucial role in regulating the reproductive system.