A 50.0 kg child stands at the rim of a merry-go-round of radius 2.20 m, rotating with an angular speed of 2.80 rad/s. (a) What is the child's centripetal acceleration? -_______________________m/s2 (b) What is the minimum force between her feet and the floor of the merry-go-round that is required to keep her in the circular path? -_________________________ N (c) What minimum coefficient of static friction is required?
A 50.0 kg child stands at the rim of a merry-go-round of radius 2.20 m, rotating with an angular speed of 2.80 rad/s. (a) What is the child's centripetal acceleration? -_______________________m/s2 (b) What is the minimum force between her feet and the floor of the merry-go-round that is required to keep her in the circular path? -_________________________ N (c) What minimum coefficient of static friction is required?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 11P: A disk 8.00 cm in radius rotates at a constant rate of 1200 rev/min about its central axis....
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A 50.0 kg child stands at the rim of a merry-go-round of radius 2.20 m, rotating with an angular speed of 2.80 rad/s.
(a) What is the child's centripetal acceleration?
-_______________________m/s2
(b) What is the minimum force between her feet and the floor of the merry-go-round that is required to keep her in the circular path?
-_________________________ N
(c) What minimum coefficient of static friction is required?
-__________________________
Is the answer you found reasonable? In other words, is she likely to be able to stay on the merry-go-round?
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