A long jumper leaves the ground at 45∘ above the horizontal and lands 7.6 m away. She is out on a hike and comes to the left bank of a river. There is no bridge and the right bank is 2.5m vertically below. If she long jumps from the edge of the left bank at 45 degrees with the speed 8.6m/s. Determine the horizontal distance L the jumper will travel.