lilkristin lilkristin

23-03-2018
Mathematics

contestada

a plane with a heading of 130° from north and an air speed of 100 km/hr, encounters a wind of 25 km/hr from the west. find the ground speed and course of the plane?

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sqdancefan sqdancefan

30-03-2018

My vector calculator* tells me
100∠130° +25∠90° = 122.2∠122.3°

The plane's ground speed is 122.2 km/h and its course is 122.3° from north.

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* Graphing Calculator + Math app for Android by Mathlab Apps, LLC

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