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8 September, 00:13

The distance from Los Angeles to Mumbai is 14,000 km. Flights take 22

hours, whilst the return flight from Mumbai to Los Angeles takes only 17

hours because of the direction of the prevailing wind. Assuming the

airplane would fly the same speed in both directions in still air, what is

the average wind velocity?

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Answers (1)
  1. 8 September, 03:33
    0
    about 93.6 km/h

    Step-by-step explanation:

    The speed westbound is ...

    14000 km / (22 h) ≈ 636.364 km/h

    The speed eastbound is ...

    14000 km / (17 h) ≈ 823.529 km/h

    The difference in speeds is twice the wind speed, so the wind speed is ...

    (823.529 - 636.364) / 2 km/h ≈ 93.6 km/h
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