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You requested a trend report on A Roller Coaster Track At A Park Includes A Loop Of Radius . A Cart Of Mass Is Located At The Peak Of The Track, Which Has A Height Of . The Cart Is Subsequently Released From Rest Such That It Can Slide Down The Track And Go Around The Loop, As Shown In The Figure Above. All Frictional Forces Are Considered To Be Negligible. Which Of The Following Expressions For The Cart’s Initial And Final Kinetic Energy And The Cart Earth System’s Initial And Final Gravitational Potential Energy Could Be Used To Determine The Speed Of The Cart When It Reaches The Top Of The Loop

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