Zorch, an archenemy of Superman, decides to slow Earth’s rotation to once per 27 h by exerting a force parallel to the equator, opposing the rotation. Superman is not immediately concerned, because he knows Zorch can only exert a force of 3.85 × 107 N. For the purposes calculations in this problem you should treat the Earth as a sphere of uniform density even though it isn't. How long, in seconds, must Zorch push with this force to accomplish his goal? (This period gives Superman time to devote to other villains.)

Answered: Zorch, an archenemy of Superman,…

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Circular Motion And Other Applications Of Newton's Laws

Section: Chapter Questions

Problem 48CP: A single bead can slide with negligible friction on a stiff wire that has been bent into a circular...

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Zorch, an archenemy of Superman, decides to slow Earth’s rotation to once per 27 h by exerting a force parallel to the equator, opposing the rotation. Superman is not immediately concerned, because he knows Zorch can only exert a force of 3.85 × 10⁷ N. For the purposes calculations in this problem you should treat the Earth as a sphere of uniform density even though it isn't. How long, in seconds, must Zorch push with this force to accomplish his goal? (This period gives Superman time to devote to other villains.)

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