A 55 kg child is swinging on a swing with length 4.0 m. When the child stops at the top of its motion, the swing makes an angle of 60.° from vertical. Calculate the speed of the child at the bottom of the swing. Assume no thermal energy is created.
A 55 kg child is swinging on a swing with length 4.0 m. When the child stops at the top of its motion, the swing makes an angle of 60.° from vertical. Calculate the speed of the child at the bottom of the swing. Assume no thermal energy is created.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 83P: When jogging at 13 km/h on a level surface, a 70-kg man uses energy at a rate of approximately 850...
Question
A 55 kg child is swinging on a swing with length 4.0 m. When the child stops at the top of its motion, the swing makes an angle of 60.° from vertical. Calculate the speed of the child at the bottom of the swing. Assume no thermal energy is created.
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