7. [-/3 Points] A child with a weight of 250 N swings on a playground swing attached to 2.00 m long chains. What is the

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7 3 Points A Child With A Weight Of 250 N Swings On A Playground Swing Attached To 2 00 M Long Chains What Is The 1 (29.16 KiB) Viewed 49 times

7. [-/3 Points] A child with a weight of 250 N swings on a playground swing attached to 2.00 m long chains. What is the gravitational potential energy (in J) of the child-earth system relative to the child's lowest position at the following times? (a) when the chains are horizontal J DETAILS OSCOLPHYS2016 7.3.WA.025. (b) when the chains make an angle of 30.0° with respect to the vertical J (c) when the child is at his lowest position J Additional Materials Reading MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER