41. (II) Chris jumps off a bridge with a bungee cord (a heavy stretchable cord) tied around his ankle, Fig. 6–42. He falls for 15 m before the bungee cord begins to stretch. Chris's mass is 75 kg and we assume the cord obeys Hooke's law, F = -kx, with k = 55 N/m. If we neglect air resistance, estimate what distance d below the bridge Chris's foot will be before coming to a stop. Ignore the mass of the cord (not realistic, however) and treat Chris as a particle. (b) (c) 15 m FIGURE 6-42 d Problem 41. (a) Bungee jumper about to jump. (b) Bungee cord at its unstretched length. (c) Maximum stretch Ay = ? y= 0 of cord.

41. (II) Chris jumps off a bridge with a bungee cord (a heavy stretchable cord) tied around his ankle, Fig. 6–42. He falls for 15 m before the bungee cord begins to stretch. Chris's mass is 75 kg and we assume the cord obeys Hooke's law, F = -kx, with k = 55 N/m. If we neglect air resistance, estimate what distance d below the bridge Chris's foot will be before coming to a stop. Ignore the mass of the cord (not realistic, however) and treat Chris as a particle. (b) (c) 15 m FIGURE 6-42 d Problem 41. (a) Bungee jumper about to jump. (b) Bungee cord at its unstretched length. (c) Maximum stretch Ay = ? y= 0 of cord.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

41. (II) Chris jumps off a bridge with a bungee cord (a heavy
stretchable cord) tied around his ankle, Fig. 6–42. He falls
for 15 m before the bungee cord begins to stretch. Chris's
mass is 75 kg and we assume the cord obeys Hooke's law,
F = -kx, with k = 55 N/m. If we neglect air resistance,
estimate what distance d below the bridge Chris's foot will
be before coming to a stop. Ignore the mass of the cord
(not realistic, however) and treat Chris as a particle.
(b)
(c)
15 m
FIGURE 6-42
d
Problem 41. (a) Bungee
jumper about to jump.
(b) Bungee cord at its
unstretched length.
(c) Maximum stretch
Ay = ?
y= 0
of cord.

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