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March 25, 2017

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a body travels half of its total path in the last second of its free fall from rest.what is the duration of fall?

  • physics - ,

    d(t)-d(t-1)= 1/2 d (t)

    d(t-1)=1/2 d(t)
    where.
    d(t-1)=vi(t-1)+1/2 a (t-1)^2
    d(t)=Vi(t)+1/2 a t^2

    solve for t

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