%3Cp%3EA%20small%26nbsp%3Bplane%26nbsp%3Bis%26nbsp%3Bflying%26nbsp%3Bhorizontall

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Explanation / Answer

If you can provide figure that would be better .

wind is in northwest

so its compnent in west direction gets subtracted from planes velocity => resultant velocity = a

and now plane will have additional vertical compnent because of the wind = b

net velocity is the resultant o both these compnents sqrt(a^2 + b^2)

let me know if you need anymore help

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