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A skateboarder in a death defying stunt decides to launch herself from a ramp on a hill. The skateboarder leaves the ramp at a height of 1.4m above the slope, traveling 15m/s and at an angle of 40 degrees to the horizontal. The slope is inclined at 45 degrees to the horizontal. a). How far down the slope does the skateboarder land? b). How long is the skateboarder in the air? c). With what velocity does the skateboarder land on the slope?

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