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23 Nov 2019
Jane, whose mass is 50 kg needs to swing across a river havingwidth D, filled with crocodiles to save Tarzan. She must swing intoa wind exerting constant horizontal force F on a vine having lengthL and initially making an angle θ with the vertical. Take D= 50 mF= 110 N L= 40 m and θ= 50 degrees.
a.) With what minimum speed nust Jane begin her swing to justmake it to the other side?
b.) Once the rescue is complete, Tarzan and Jane must swing backtogether across the river . With what minimum speed must they begintheir swing? Assuming Tarzan has a mass of 80 kg.
Jane, whose mass is 50 kg needs to swing across a river havingwidth D, filled with crocodiles to save Tarzan. She must swing intoa wind exerting constant horizontal force F on a vine having lengthL and initially making an angle θ with the vertical. Take D= 50 mF= 110 N L= 40 m and θ= 50 degrees.
a.) With what minimum speed nust Jane begin her swing to justmake it to the other side?
b.) Once the rescue is complete, Tarzan and Jane must swing backtogether across the river . With what minimum speed must they begintheir swing? Assuming Tarzan has a mass of 80 kg.
