On a Day When the Speed of Sound in the Upper

question 59

Multiple Choice

On a day when the speed of sound in the upper air is 320 m/s, you fly coast to coast in the United States, a distance of about 4 850 km, in about one hour, if the Mach number for the speed of your airplane is about

• A) 1.
• B) 2
• C) 3
• D) 4
• E) 5.

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Definitions:

Intravenous Pyelogram

A radiographic procedure that uses a contrast dye to visualize the kidneys, ureters, and bladder.

Barium Enema

A radiologic procedure performed by a radiologist who administers barium sulfate through the anus, into the rectum, and then into the colon to help diagnose and evaluate obstructions, ulcers, polyps, diverticuloses, tumors, or motility problems of the colon or rectum; also called a lower GI (gastrointestinal) series.

Clear Liquid Diet

A diet that consists of clear liquids and foods that become liquid at room temperature. It's often prescribed before medical tests, procedures, or surgeries.

Laxatives

Medications or substances used to stimulate bowel movements or ease constipation.