An airplane is heading due north with an air speed of 985 km/h. Ther blowing directly from the east, and the navigator calculates that they west of north over the ground. What is the wind speed? 120.3 km/h 130.5 km/h

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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An airplane is heading due north with an air speed of 985 km/h. There is a wind
blowing directly from the east, and the navigator calculates that they are heading 7°
west of north over the ground. What is the wind speed?
120.3 km/h
O 130.5 km/h
1393 km/h
139.3 km/h
Transcribed Image Text:An airplane is heading due north with an air speed of 985 km/h. There is a wind blowing directly from the east, and the navigator calculates that they are heading 7° west of north over the ground. What is the wind speed? 120.3 km/h O 130.5 km/h 1393 km/h 139.3 km/h
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