A 17.0 kg child on a 3.00 m long swing is released from rest when the ropes of the swing make an angle of 32.0° with the vertical. (a) Neglecting friction, find the child's speed at the lowest position. m/s (b) If the speed of the child at the lowest position is 2.60 m/s, what is the mechanical energy lost due to friction?

A 17.0 kg child on a 3.00 m long swing is released from rest when the ropes of the swing make an angle of 32.0° with the vertical. (a) Neglecting friction, find the child's speed at the lowest position. m/s (b) If the speed of the child at the lowest position is 2.60 m/s, what is the mechanical energy lost due to friction?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 8.9CYU: Check Your Understanding What potential energy U(x) can you substitute in Equation 8.13 that will...

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