6.68 A projectile was launched at 40 degrees to reach a target at .. ) m, 1m) with initial speed vo Write the range equation in terms of vO and duration Write the height equation in terms of VO, duration and 9.8 m/s/s Plot the range equation, duration as x-axis, VO as y-axis (0.10, 0.12, 0.14 ... 0.20-sec) Plot the height equation, duration as x-axis, VO as y-axis (0.10, 0.12, 0.14.. 0.20 sec) Find the intersection point for the flight time and vO values. ching platform to reach ground by