(In the following problems where motion as a projectile in air is involved, neglect air resistance unless otherwise stated and use g = 9.81 m/s2 or g = 32.2 ft/sec2.) A projectile is launched with a speed v0 = 25 m/s from the floor of a 5-m-high tunnel as shown. Determine the maximum horizontal range R of the projectile and the corresponding launch angle 8. V = 25 m/s 5 m