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A skateboarder starts up a 3.0-m-long ramp at 3.2 m/s. What is the maximum height of the ramp for which the skateboarder goes off the end rather than rolling back down?

Answer :

Answer:

initial KE = final PE

1/2 m v^2 = m g h

h = v^2 / (2 * g) = 3.2^2 / (2 * 9.8) = .52 m    height of ramp

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