A lift mechanic taps on an end of the main cable of a ski lift 2000 ft
Question:
A lift mechanic taps on an end of the main cable of a ski lift 2000 ft (610 m) long, sending a transverse pulse down the cable. He finds it takes 7.7 s for the pulse to reflect off the opposite end and return. If the steel cable is 3.8 cm in diameter, what is the tension in the cable?
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The sound wave speed on the cable can be found from the time of transit of t...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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