Multiple choice

Flying in a jet stream

  1. does not change the duration of the flight

  2. decreases the duration of the flight

  3. increases the duration of the flight

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Flying in a jet stream decreases the duration of the flight when flying with the jet stream (tailwind component). Jet streams are narrow, fast-moving air currents in the atmosphere that can significantly increase ground speed when flying in the same direction, reducing total flight time. Flying against a jet stream would increase flight duration.

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