Jane, whose mass is 50.0 kg, needs to swing across ariver (having width D) filled with
Chapter 8, Problem 81(choose chapter or problem)
Jane, whose mass is 50.0 kg, needs to swing across ariver (having width D) filled with person-eating crocodilesto save Tarzan from danger. She must swing into a wind exerting constant horizontal force FS , on a vinehaving length L and initially making an angle u withthe vertical (Fig. P8.81). Take D 5 50.0 m, F 5 110 N,L 5 40.0 m, and u 5 50.08. (a) With what minimumspeed must Jane begin her swing to just make it to theother side? (b) Once the rescue is complete, Tarzanand Jane must swing back across the river. With whatminimum speed must they begin their swing? AssumeTarzan has a mass of 80.0 kg.
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