A skateboarder enters a curved ramp moving
horizontally with a speed of 6.5 m/s, and leaves the ramp moving
vertically with a speed of 4.1 m/s. The skateboarder and the
skateboard have a combined mass of 55 kg. A) Find the height of the
ramp, assuming no energy loss to frictional forces. B) What is the skateboarders maximum height above the bottom of the ramp?