You are to launch a rocket, from just above the ground, with one of the following initial velocity vectors: (1)...

You are to launch a rocket, from just above the ground, with one of the following initial velocity vectors: (1) V initial= 20i +70j (2)V initial= -20i + 70j (3)V initial = 20i - 70j (4) V initial = -20i-70j. In your coordinate system, x runs along level ground and y increases upward.