1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Speed and Direction

  1. Oct 30, 2011 #1
    I am having a lot of trouble with my physics homework and any help would be great.

    I thought I maybe had to subtract the wind from what I need to travel, but that didn't get me an answer that made any sense, plus I didn't know what to do with the angle. I looked in the book and couldn't find anything, but the chapter is called Vector Addition, so I am assuming at some point I am supposed to add vectors. Any help with how to solve this would be super helpful, please and thank you.

    The Molko's fly from airport A to airport B. They need to travel 717 km/h, 2.64 degrees West of South. The wind is blowing east at 102 km/h. What speed and direction must the plane travel to get there?
     
    Last edited: Oct 30, 2011
  2. jcsd
  3. Oct 30, 2011 #2

    Delphi51

    User Avatar
    Homework Helper

    Start by drawing a diagram! You know the wind vector. The airspeed vector is unknown. But the two must add up to a groundspeed vector in the direction of airport B. If you can write that mathematically, you can solve it for the direction to aim the plane!
    airspeed.jpg
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Speed and Direction
Loading...