Problem 15.9 A ski gondola is connected to the top of a hill by a steel cable of length 660 m and a diameter of 1.5 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 17 s for the pulse to return. What is the speed of the pulse? What is the tension in the cable?

University Physics Volume 1
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ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter17: Sound
Section: Chapter Questions
Problem 145CP: A string has a linear mass density =0.007 kg/m, a length L=0.70 m, a tension of FT=110 N, and...
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Problem 15.9 A ski gondola is connected to the top of a hill by a steel cable of length 660 m and a diameter of
1.5 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the
cable. It is observed that it took 17 s for the pulse to return. What is the speed of the pulse? What is the tension
in the cable?
Sketch the situation, defining all your variables.
What physics equation(s) will you utilize in order to solve this problem? For each equation you list, give a
justification for why it applies to this situation.
Apply your equation(s) to solve, first for an algebraic expression(s), then for any numerical answer(s). Show the
units of your answer(s), and how you got them. Present your work clearly and neatly.
Transcribed Image Text:Problem 15.9 A ski gondola is connected to the top of a hill by a steel cable of length 660 m and a diameter of 1.5 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 17 s for the pulse to return. What is the speed of the pulse? What is the tension in the cable? Sketch the situation, defining all your variables. What physics equation(s) will you utilize in order to solve this problem? For each equation you list, give a justification for why it applies to this situation. Apply your equation(s) to solve, first for an algebraic expression(s), then for any numerical answer(s). Show the units of your answer(s), and how you got them. Present your work clearly and neatly.
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