A daredevil plans to bungee jump from a balloon65.0 m above the ground. He will use a
Chapter 8, Problem 85(choose chapter or problem)
A daredevil plans to bungee jump from a balloon65.0 m above the ground. He will use a uniform elastic cord, tied to a harness around his body, to stop his fallat a point 10.0 m above the ground. Model his body asa particle and the cord as having negligible mass andobeying Hookes law. In a preliminary test he finds thatwhen hanging at rest from a 5.00-m length of the cord,his body weight stretches it by 1.50 m. He will dropfrom rest at the point where the top end of a longersection of the cord is attached to the stationary balloon.(a) What length of cord should he use? (b) Whatmaximum acceleration will he experience?
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