Word problems on vectors - Vectors

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Vectors Topics:

Word problems on vectors

Lessons

Notes:
• Magnitude of a vector: ∣∣v⃗∣∣=vx2+vy2|| \vec{v}|| = \sqrt{v_x^2 + v_y^2}
  • 2.
    Finding Displacement Using Vectors
    Kevin brings his dog to a park. He throws two balls for his dog to catch. The path of the first ball is described by the vector v1=130i+10jv_1=130i+10j and that of the second ball is described by the vector v2=80i+(−40)jv_2=80i+(-40)j where the distances are all expressed in meters.
  • 3.
    Evaluating Velocity Using Vectors
    Elaine can swim in still water (no current) with a speed of 5 m/s. She now goes swimming in a river which has a current flowing towards west with a speed of 2 m/s. Assuming her speed is the same,
  • 4.
    Determining Displacement and Velocity Using Vectors
    A plane is travelling south with a speed of 140 km/h. Simultaneously, there is a steady wind blowing due west with a speed of 40 km/h.
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Word problems on vectors

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