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A skateboarder starts up a 1.0-mm-high, 30∘∘ ramp at a speed of 7.4 m/s . The...

A skateboarder starts up a 1.0-mm-high, 30∘∘ ramp at a speed of 7.4 m/s . The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air.

How far from the end of the ramp does the skateboarder touch down?

Express your answer with the appropriate units.

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