Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Trending News

Promoted
Leslie
Leslie asked in Science & MathematicsPhysics · 5 months ago

 The compass of an airplane indicates that the airplane is heading north. The airplane is moving at an airspeed of 230 km/h. ?

Continued->The wind is blowing east at 55 km/h.

1.What is the speed of the plane with respect to the ground?

2.How many degrees east of north is the plane’s velocity with respect to the ground?

2 Answers

Relevance
  • NCS
    Lv 7
    5 months ago
    Favorite Answer

    Because these vectors are perpendicular, we can just use Pythagoras:

    1. v = √(230² + 55²) km/h = 236 km/h

    2. Θ = arctan(55/230) = 13º E of North

  • Jim
    Lv 7
    5 months ago

    Simply draw a triangle and use SOHCAHTOA

Still have questions? Get your answers by asking now.