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Jane, looking for Tarzan, is running at top speed (4.3 m/s) and grabs a vine hanging vertically from a tall tree in the jungle. How high can she swing upward?

  • phy -

    V=4.3m/s
    h=?


    V=sqrt(2gh)
    4.3^2=2gh (note:squaring both sides will cancel the square root on the right side)
    18.49=2(9.8)(h)
    18.49=19.6(h)
    18.49/19.6=h

    h=0.943367

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