Recent content by Said90

  1. S

    Calculating Displacement: Understanding Vectors in Physics

    Yea..I got the idea C^2=a^2+b^2- 2bc COSa But still don't know how to get the angle's value
  2. S

    Calculating Displacement: Understanding Vectors in Physics

    ***I made a mistake .. The answer in the book is 8.6***I've just applied Pythagorean theorem to get the answer ! 144 = 100+X^2 Could please explain your answer?
  3. S

    Calculating Displacement: Understanding Vectors in Physics

    A car travels 10 km due EAST then 12. Km NW what is Magnitude of the car's displacement. The answer that I got in my book is 8.8 Could anyone-please-explain ?The Attempt at a Solution 6.6 km[/B]
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