Two identical stunt professionals A and B stand on the roof of building 1. Person A steps off of the roof and falls vertically onto the solid ground. At the same instant, person B steps off the roof while holding onto a rope with its opposite end is fixed to building 2 of the same height. The rope is initially horizontal, and after swinging downward almost the same vertical distance as A fell, person B collides with the solid wall of building 2.
A. Which person will sustain more serious injuries, or will both sustain injuries of the same seriousness? Explain your reasoning.
Answers: 2
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At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius ρa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature ρr of its path, both as observed by the nonrotating skydiver.
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Two identical stunt professionals A and B stand on the roof of building 1. Person A steps off of the...
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