On May 20, 1999, Robbie Knievel easily cleared a narrow part of the Grand Canyon during a world-record-setting long-distance motorcycle jump-69.5 m. He left the jump ramp at a 10 degree angle above the horizontal. How fast was he traveling when he left the ramp? Indicate any assumptions you made.
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On May 20, 1999, Robbie Knievel easily cleared a narrow part of the Grand Canyon during a world-reco...
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