A kid whirls a rock of mass 0.5 kg in a vertical circle of radius 0.80 m. (a) What is the minimum speed of the rock at the top of the circle such that the rope does not go slack? (b) What is the speed of the rock at the bottom of the circle if the tension in the rope is 17.0 N?

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
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 17P: A light string can support a stationary hanging load of 25.0 kg before breaking. An object of mass m...
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A kid whirls a rock of mass 0.5 kg in a vertical circle of radius 0.80 m. (a) What is the minimum speed of the rock at the top of the circle such that the rope does not go slack? (b) What is the speed of the rock at the bottom of the circle if the tension in the rope is 17.0 N?

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