A Jet Aircraft, in Level Flight at Constant Speed, Is

question 49

Multiple Choice

A jet aircraft, in level flight at constant speed, is observed directly over head. A sonic boom is heard 13.0 s later, at which time the line of sight to the aircraft forms a 51° angle with respect to the horizontal. The speed of sound is 325 m/s. The altitude of the aircraft is closest to

• A) 6700 m.
• B) 5400 m.
• C) 8300 m.
• D) 2700 m.
• E) 13,000 m.

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Definitions:

Proactive Interference

The effect wherein earlier memories hinder the ability to remember more recent memories.

Retroactive Interference

A memory disruption phenomenon where new information interferes with the ability to recall old information.

Memorization

The process of committing something to memory or learning it by heart.

Hindsight Bias

The inclination to think, following an event, that one could have foreseen or anticipated the result, commonly called the "I-knew-it-all-along" effect.