A 25.0kg child on a 2.00m long swing is released from rest when the swing supports make an angle of 30 dgerees with the vertical. a) Neglecting friction, find the child’s speed at the lowest position b) If the speed of the child at the lowest position is 2.00m/s, what is the mechanical energy that is lost due to friction?
A 25.0kg child on a 2.00m long swing is released from rest when the swing supports make an angle of 30 dgerees with the vertical. a) Neglecting friction, find the child’s speed at the lowest position b) If the speed of the child at the lowest position is 2.00m/s, what is the mechanical energy that is lost due to friction?
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 44P: A 25.0-kg child on a 2.00-m-long swing is released from rest when the ropes of the swing make an...
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A 25.0kg child on a 2.00m long swing is released from rest when the swing supports make an angle of 30 dgerees with the vertical.
a) Neglecting friction, find the child’s speed at the lowest position
b) If the speed of the child at the lowest position is 2.00m/s, what is the mechanical energy that is lost due to friction?
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