Quote:
Originally Posted by Shownomercy
The height of the launcher has little or nothing to do with it. The ball is given more velocity than the truck so its not gonna hit the line whether or not the launcher is 1 foot above ground or 30. Imagine the truck stopped at the line and then the ball is shot, same thing.
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The ball is moving at 55mph and it is not directly connected to the truck so when it suddenly stops the ball will want to move foreword with a force of 55mph.
So if the truck was moving at 55mph then stopped on the line that is a negative acceleration from 55mph to 0mph. The ball will be shot at a positive acceleration from 0mph to 55mph. If these two accelerations occur at the same moment then the ball will not travel anywhere.