From a launch pad, a rocket is launched at an angle of 60? relative to sea level. after the rocket has traveled a total distance of 300 feet, what is its vertical height above sea level? round the distance to the nearest foot. vertical height = a0 feet.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.