Launch angle varies from person to person and is dependent on swing speed and spin rate.

Well by the angle being at a certain angle it will launch sometime more then one meter and if the angle was a right angle then it will launch 350CM.

This means 'High Trajectory'. That is, a high launch angle.

The difference of these two is that pullback is how far and launch angle is the elevation. I'm not sure but you can check on Science Buddies or just google it .

Launch angle means the angle at which a rocket or object is place as it is being sent into the air. This determines its initial flight and is particularly important for rockets which are entering orbit.