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The current world-record motorcycle jump is 77 m, set by Jason Renie. Assume that he left...

The current world-record motorcycle jump is 77 m, set by Jason Renie. Assume that he left the take-off ramp at 20° to the horizontal and that the take-off and landing heights are the same. Neglecting air drag, determine (a) his take-off speed, (b) what is the maximum height and (c) the time of the jump?

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