1. A projectile is launched at an angle of 45.0 degrees above the horizontal and lands at the same level from which it was launched 3.69 seconds later. The magnitude of the initial velocity is _____ m/s 2. If θo is the angle of elevation above the horizontal at which a projectile is launched, the horizontal component of its initial velocity is given by _______. a. gsin(θo) b. vocos(θo) c. vosin(θo) d. gcos(θo) 3. A projectile is launched at an angle of 41.1 degrees above the horizontal with an initial speed of 205 m/s and lands at the same level from which it was launched. The range is 145 meters. The time of flight is _____ m/s. I really don't know how to work these or find the answer. If somebody could please help me!