Recent content by APphysicsOR

  1. A

    Vectors -- Adding velocity vectors to make a resultant

    Homework Statement Determine the vectors A-C, given the vectors A and C in Fig. 3-32. Vector A=44.0 at 28 degrees north of east and vector C=31.0 at 90 degrees south of east. Homework Equations I don't know any. The Attempt at a Solution 44.0-31.0=11.0, 28.0-90= -62 The answers...
  2. A

    Velocity -- plane takeoff speed and distance

    Nevermind, I understand the problem.
  3. A

    Velocity -- plane takeoff speed and distance

    Homework Statement A light plane must reach a speed of 33m/s for takeoff. How long a runway is needed if the (constant) acceleration is 3.0m/s^2.Homework Equations v^2=2*a*d The Attempt at a Solution v^2/(2*a)=d
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