Asked by Tina
A plane is steering at S83degreesE at an airspeed of 550 km/h. the wind is from N70degreesE at 85 km/h. Determine the ground velocity of plane to one decimal. Use the cosine and sine law.
Answers
Answered by
Steve
the vectors to add are
v = (550cos7°,550sin7°)+(85cos20°,85sin20°)
so, plug in the numbers and get the sum. Then just get |v| and its direction
v = (550cos7°,550sin7°)+(85cos20°,85sin20°)
so, plug in the numbers and get the sum. Then just get |v| and its direction
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