A Jet Aircraft,in Level Flight at Constant Speed,is Observed Directly

question 948

Multiple Choice

A jet aircraft,in level flight at constant speed,is observed directly overhead.A sonic boom is heard later,at which time the line of sight to the aircraft forms a 56° angle with respect to the horizontal.The speed of sound is 325 m/s.What is the Mach number (the ratio of the speed of the jet to the speed of sound) for the aircraft?

• A) 1.2
• B) 1.8
• C) 1.9
• D) 2.1
• E) 2.2

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Definitions:

Modes Of Transmission

The various ways in which infectious agents are spread from one individual to another, including direct contact, airborne spread, and vector-borne transmission.

Draining Sores

Open wounds that produce pus or fluid, often a sign of infection or disease that requires medical attention.

Microorganisms

Tiny, often microscopic life forms, including bacteria, viruses, fungi, and protozoa that can cause disease or fermentation.

Pathogens

Microorganisms or viruses that can cause disease in humans, animals, or plants.