Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 25.10, Problem 15SC
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A bungee jumper plans to bungee jump from a bridge 64.0 m above the ground. He plans to use a uniform elastic cord, tied to a harness around his body, to stop his fall at a point 6.00 m above the water. Model his body as a particle and the cord as having negligible mass and obeying
Hooke's law. In a preliminary test he finds that when hanging at rest from a 5.00 m length of the cord, his body weight stretches it by 1.55 m. He will drop from rest at the point where the top end of a longer section of the cord is attached to the bridge.
(a) What length of cord should he use?
Use subscripts 1 and 2 respectively to represent the 5.00 m test length and the actual jump length. Use Hooke's law F = KAL and the fact that the change in length AL for a given force is proportional the length L (AL = CL), to determine the force constant for the test case and for the
jump case. Use conservation of mechanical energy to determine the length of the rope. m
(b) What maximum acceleration will he…
Chapter 25 Solutions
Integrated Science
Ch. 25.1 - Prob. 1SCCh. 25.1 - Prob. 2SCCh. 25.2 - Prob. 3SCCh. 25.2 - Prob. 4SCCh. 25.2 - Prob. 5SCCh. 25.4 - Prob. 6SCCh. 25.4 - Prob. 7SCCh. 25.5 - Prob. 8SCCh. 25.5 - Prob. 9SCCh. 25.5 - Prob. 10SC
Ch. 25.9 - Prob. 11SCCh. 25.9 - Prob. 12SCCh. 25.9 - Prob. 13SCCh. 25.10 - Prob. 14SCCh. 25.10 - Prob. 15SCCh. 25 - Prob. 1CQCh. 25 - Prob. 2CQCh. 25 - Prob. 3CQCh. 25 - What are advantages and disadvantages of the...Ch. 25 - Prob. 5CQCh. 25 - Prob. 6CQCh. 25 - Prob. 7CQCh. 25 - Prob. 8CQCh. 25 - What are the differences between oogenesis and...Ch. 25 - List the hormones associated with the functioning...Ch. 25 - Prob. 11CQCh. 25 - Prob. 12CQCh. 25 - What advantage does a sexually reproducing,...Ch. 25 - Prob. 14CQCh. 25 - Prob. 15CQCh. 25 - Prob. 1PEACh. 25 - Prob. 2PEACh. 25 - Prob. 3PEACh. 25 - Prob. 4PEACh. 25 - Prob. 1PEBCh. 25 - Prob. 2PEBCh. 25 - Prob. 3PEBCh. 25 - Prob. 4PEB
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