A 250-N child is in a swing that is attached to a pair of ropes 1.80 m long. Find the gravitational potential energy of the child-Earth system relative to the child's lowest position at the following times. (a) when the ropes are horizontal J (b) when the ropes make a 25.0° angle with the vertical J (c) when the child is at the bottom of the circular arc J
A 250-N child is in a swing that is attached to a pair of ropes 1.80 m long. Find the gravitational potential energy of the child-Earth system relative to the child's lowest position at the following times. (a) when the ropes are horizontal J (b) when the ropes make a 25.0° angle with the vertical J (c) when the child is at the bottom of the circular arc J
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:A 250-N child is in a swing that is attached to a pair of ropes 1.80 m long. Find the gravitational potential energy of the
child-Earth system relative to the child's lowest position at the following times.
(a) when the ropes are horizontal
J
(b) when the ropes make a 25.0° angle with the vertical
J
(c) when the child is at the bottom of the circular arc
J
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