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mailmas
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Homework Statement
What minimum height does the frictionless ramp have to be for the ball to be able to travel along the ramp into a loop upside down and not fall?
Radius of loop = .3m
Homework Equations
PE + KE = PE + KE
The Attempt at a Solution
mgh_1=mgh_2 + 1/2 mv^2
h_1 = h_2 + v^2/(2g)
h_2 = .3m[/B]
Am I on the right track?