A unicorn is standing on a rotating platform so that it can be admired from every angle. The platform is 5 m in radius and rotates every 8 seconds (otherwise known as 1/8 of a rotation per second). What coefficient of friction must the unicorn's hooves have to keep him from slipping over the edge?

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 32AP: Why is the following situation impossible? A mischievous child goes to an amusement park with his...
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Please answer vertically, not horizontally so that no steps are miscalculated for this problem.

A unicorn is standing on a rotating platform so that it can  be admired from every angle. The platform is 5 m in radius and rotates every 8 seconds (otherwise  known as 1/8 of a rotation per second).

What coefficient of friction  must the unicorn's hooves have to keep him from slipping over the edge? This answer is not shown correctly on bartleby.

Would he need a higher or lower coefficient of friction to stand closer to the center of the rotating platform? Explain.

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