A child having mass M holds her legs up as shown as she swings downward from rest at { θ }_{ 1 }θ1. Her center of mass is located at point { G }_{ 1 }G1. When she is at the bottom position θ = 0°, she suddenly lets her legs come down, shifting her center of mass to position { G }_{ 2 }G2. Determine her speed in the upswing due to this sudden movement and the angle { θ }_{ 2 }θ2to which she swings before momentarily coming to rest. Treat the child’s body as a particle. Given: M = 50 kg , { r }_{ 1 }r1 = 2.80 m , g = { 9.81 m/s }^{ 2 }9.81m/s2, { θ }_{ 1 }θ1= 30 deg , { r }_{ 2 }r2 = 3 m
A child having mass M holds her legs up as shown as she swings downward from rest at { θ }_{ 1 }θ1. Her center of mass is located at point { G }_{ 1 }G1. When she is at the bottom position θ = 0°, she suddenly lets her legs come down, shifting her center of mass to position { G }_{ 2 }G2. Determine her speed in the upswing due to this sudden movement and the angle { θ }_{ 2 }θ2to which she swings before momentarily coming to rest. Treat the child’s body as a particle. Given: M = 50 kg , { r }_{ 1 }r1 = 2.80 m , g = { 9.81 m/s }^{ 2 }9.81m/s2, { θ }_{ 1 }θ1= 30 deg , { r }_{ 2 }r2 = 3 m
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A child having mass M holds her legs up as shown as she swings downward from rest at { θ }_{ 1 }θ1. Her center of mass is located at point { G }_{ 1 }G1. When she is at the bottom position θ = 0°, she suddenly lets her legs come down, shifting her center of mass to position { G }_{ 2 }G2. Determine her speed in the upswing due to this sudden movement and the angle { θ }_{ 2 }θ2to which she swings before momentarily coming to rest. Treat the child’s body as a particle. Given: M = 50 kg , { r }_{ 1 }r1 = 2.80 m , g = { 9.81 m/s }^{ 2 }9.81m/s2, { θ }_{ 1 }θ1= 30 deg , { r }_{ 2 }r2 = 3 m
Transcribed Image Text:3 m
2.80 m
0, = 30
G2
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