The world long jump record is 8.95 m (Mike Powell, USA, 1991). Treated as a projectile, what is the maximum range obtainable by a person if he has a take-off speed of 9.50 m/s? (a) Use the assumption that motion is on level ground (the person leaves at the ground height) and the angle is 45.0 Degrees .b) Use the assumption that the person leaves the ground with their center of mass 1.00 m above the ground. To find the time in the air: