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March 30, 2017

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A jogger runs 145m. in a direction 20.0 degrees east of north (displacement of vector A) and then 105m. in a direction 35.0 degrees south of east (displacement of vector B). Using components, determine the magnitude and direction of the resultant vector C for these two displacements.

  • Physics - ,

    Hints:

    X-component of resultant
    = ∑Di*cos(θi)
    and
    Y-component of resultant
    = ∑Di*sin(θi)

    D(1)=145m, θ(1)=90-20=70° (from x-axis)
    D(2)=105m, θ(2)=-35° (from x-axis)

  • Physics - ,

    Thank you. I got now the answer. :)

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